Author: allan johnson
Date: 02:36:25 01/08/06
Go up one level in this thread
On January 07, 2006 at 17:21:15, Majd Al-Ansari wrote: >Tourney 5_3 128mb hash (418 games) >Hardware PIV 3.2Ghz 2GB RAM >GUI Fritz 9.ctg / Ponder OFF > > > 1 2 3 4 >1 Rybka 1.01 Preview 2 32-bit 44.0 - 26.038.0 - 32.038.0 - 31.0** 120.0/209 >2 Fritz 9 26.0 - 44.039.0 - 30.036.0 - >34.0 ** 101.0/209 >3 Shredder 9.1 UCI 32.0 - 38.030.0 - 39.036.5 - 33.5 ** > 98.5/209 -5918.75 >4 Fruit 2.2.1 31.0 - 38.034.0 - 36.033.5 - 36.5 ** > 98.5/209 -5930.25 > > > > > >The Good: Great wins by Rybka > >In looking at Rybka’s wins I have to think that the most lethal weapon in >Rybka’s arsenal is how dangerous it is with evaluating pawn pushes … especially >during the middle game. > > >(11) Fruit 2.2.1 - Rybka 1.01 Preview 2 32-bit [D45] >tourney 1 Home (22.3), 28.12.2005 >[–0.28;–0.35] >GenuineIntel 3198 MHz W=13.2 ply; 551kN/s; Fritz9.ctg B=12.3 ply; 142kN/s; >Fritz9.ctg 1.d4 0 1...Nf6 0 2.c4 0 2...e6 0 3.Nf3 0 3...d5 0 4.Nc3 0 4...c6 0 >5.e3 0 5...Nbd7 0 6.Qc2 0 6...Bd6 0 7.g4 0 7...dxc4 0 8.Bxc4 0 8...e5 0 9.g5 0 >9...Nd5 0 10.Bd2 0 10...exd4 0 11.Nxd4 0 11...0–0 0 12.Nxd5 0 12...cxd5 0 13.Bd3 >0 13...g6 0 14.h4 0 14...Nc5 0 15.Rc1 –0.28/11 10 15...Re8 (Bd7) –0.35/11 11 >16.Nb5 (Bb5) –0.39/12 16 16...Nxd3+ –0.67/12 9 17.Qxd3 –0.49/12 5 17...Bf5 >–0.67/13 13 18.Qe2 –0.40/13 12 18...Be5 –0.81/12 11 19.Bc3 –0.48/13 11 19...Rc8 >(Bf4) –0.67/12 11 20.Rd1 (0–0) –0.64/11 16 20...a6 (Bf4) –0.57/10 11 21.Bxe5 >(Nd4) –0.25/13 ... > >[d]2rqr1k1/1p3p1p/p5p1/1N1pBbP1/7P/4P3/PP2QP2/3RK2R b K - 0 21 > >15 21...axb5 It is these kind of moves that must drive the other engines crazy. >It is also these kind of moves that make me think that Rybka can beat hardware >monsters such as Hydra. They just will not calculate the consequences of this >move because it seems weak. With this capture Rybka has already eyed a couple of >pawn moves which will give it a strong initiative. This type of pawn play is a >weapon that all other engines just don't seem to have any protection against. >–0.73/11 7 22.Bc3 –0.21/12 9 22...b4! (Rc4) –1.05/12 7 23.Bxb4 (Bd4) –0.52/13 11 >23...d4! –1.14/12 14 24.Bc3 (Qb5) –0.59/13 15 24...d3! –1.25/11 7 25.Qf1 >–0.57/12 10 25...Qd5 –1.53/11 10 26.h5 –0.67/12 .... Rybka has played some very >forceful pawn pushes and will now capitalizes. > >[d]2r1r1k1/1p3p1p/6p1/3q1bPP/8/2BpP3/PP3P2/3RKQ1R b K - 0 26 > > >13 26...Rxc3! (gxh5) -2.89/11 6 27.bxc3 -2.55/12 18 27...Qc4 -4.03/12 21 28.Qg2 >-2.72/13 9 28...Qxc3+ -4.81/12 8 29.Kf1 -3.02/14 12 29...Qc2 -5.17/12 8 30.Ra1 >-3.26/13 11 30...Qb2 (d2) -5.17/12 12 31.Re1 -4.09/13 9 31...d2 -5.03/12 12 >32.Rd1 -4.14/13 8 32...Qc2 -5.50/12 9 33.Qf3 -4.20/13 9 33...Be4 -5.76/12 5 >34.Qg4 -4.84/13 9 34...Bxh1 -5.65/11 4 35.hxg6 -4.97/13 8 35...Re4 (hxg6) >-6.30/12 18 36.gxf7+ –0.70/10 7 36...Kf8 (Kxf7) -7.43/12 9 37.Qe2 -7.09/13 18 >37...Rh4 -7.49/12 4 38.Qxd2 (Rxd2) -7.28/13 5 38...Qxd2 -7.49/11 4 39.Rxd2 >-8.64/16 9 39...Bf3 What a devastating display. I think any Super GM would be >proud of this game. I really think in some games Rybka is just playing a type of >chess other engines do not understand. -8.41/144 0–1 > >(1) Fritz 9 - Rybka 1.01 Preview 2 32-bit [D46] >tourney 1 Home (3.1), 27.12.2005 >[–0.72;–0.65] >GenuineIntel 3198 MHz W=13.1 ply; 1,102kN/s; Fritz9.ctg B=12.8 ply; 128kN/s; >Fritz9.ctg 1.d4 0 1...Nf6 0 2.c4 0 2...e6 0 3.Nf3 0 3...d5 0 4.Nc3 0 4...c6 0 >5.e3 0 5...Nbd7 0 6.Qc2 0 6...Bd6 0 7.Bd3 0 7...0–0 0 8.0–0 0 8...dxc4 0 9.Bxc4 >0 9...a6 0 10.Rd1 0 10...b5 0 11.Be2 0 11...Qc7 0 12.e4 0 12...e5 0 13.g3 0 >13...Re8 0 14.a3 0 14...exd4 0 15.Nxd4 0 15...Be5 0 16.Bf3 0 16...c5 0 17.Nde2 0 >17...Bb7 0 18.Be3 0 18...c4 0 19.b4?! > >[d]r3r1k1/1bqn1ppp/p4n2/1p2b3/1Pp1P3/P1N1BBP1/2Q1NP1P/R2R2K1 b - b3 0 19 > >This is definetely not the best way to play Rybka. This gives Rybka a passed >pawn as well as the bishop pair. The way Rybka plays this passed pawn in the >middle game is truly instructive. White usually plays Bg2 which gives white many >more options. > > –0. 72/10 13 19...cxb3 –0.65/12 8 20.Qxb3 –0.75/12 20 20...Nc5 (Nb6) –0.59/12 >13 21.Bxc5 –0.77/12 22 21...Qxc5 –0.48/12 8 22.Rac1 –0.83/12 21 22...Qe7 >–0.47/12 11 23.a4 (Nd5) –0.70/12 20 23...b4 –0.70/10 3 24.Nd5 –0.61/14 24 >24...Nxd5 –0.88/11 2 25.exd5 –0.61/13 12 25...Rac8 (Qf6) –0.88/12 12 26.Rxc8 >(a5) –0.51/13 14 26...Bxc8 –0.84/13 15 27.Nd4 –0.60/13 20 27...Qc5 (Bd6) >–0.88/13 12 28.Nc6 –0.37/13 9 28...Bd6 –0.96/13 16 29.Qb1 –0.55/14 21 29...Qc3 >–1.19/12 8 30.Be4 (Kg2) –0.69/13 10 30...g6 –1.37/12 13 31.a5 (Rc1) –0.75/12 10 >31...b3 -2.18/10 3 32.Rc1 –0.89/13 19 32...Qd2 (Qf6) -2.04/12 7 33.Rd1 –0.65/13 >10 33...Qa2 -3.00/12 13 34.f3? > >[d]2b1r1k1/5p1p/p1Nb2p1/P2P4/4B3/1p3PP1/q6P/1Q1R2K1 b - - 0 34 > > White tries to free the Queen from protecting the bishop but now the black >bishop gets in the action with tempo. > > –1.25/10 8 34...Bc5+ -5.84/13 7 35.Kh1 -4.47/12 7 35...Rxe4! This rook sac >renders white totally helpless. -5.90/14 12 36.Qxe4 -6.98/12 7 36...Bh3 -5.90/13 >4 37.Qe8+ -7.75/13 9 37...Bf8 -6.64/14 17 38.Rg1 -7.89/15 11 38...b2 > >A devastating display of just how dangerous a passed pawn can be in the middle >game. -6.70/13 5 0–1 > > >(10) Shredder 9.1 UCI - Rybka 1.01 Preview 2 32-bit [D46] >tourney 1 Home (19.2), 28.12.2005 >[0.14;0.13] >GenuineIntel 3198 MHz W=16.2 ply; 471kN/s; Fritz9.ctg B=13.4 ply; 155kN/s; >Fritz9.ctg 1.d4 0 1...Nf6 0 2.c4 0 2...e6 0 3.Nf3 0 3...d5 0 4.Nc3 0 4...c6 0 >5.e3 0 5...Nbd7 0 6.Qc2 0 6...Bd6 0 7.Bd3 0 7...0–0 0 8.0–0 0 8...dxc4 0 9.Bxc4 >0 9...Qe7 0 10.Bd2 0 10...a6 0 11.a4 0 11...c5 0 12.Rae1 0 12...b6 0 13.d5 0 >13...Ne5 0 14.Nxe5 0 14...Bxe5 0 15.e4 0 15...exd5 0 16.Nxd5 0 16...Nxd5 0 >17.Bxd5 0 17...Bb7 0 18.Bc3 0.14/14 19 18...Bxc3 (Bf4) 0.13/13 13 19.bxc3 >–0.01/15 31 19...b5 0.12/13 53 20.axb5 (Re3) –0.05/14 45 20...axb5 > >[d]r4rk1/1b2qppp/8/1ppB4/4P3/2P5/2Q2PPP/4RRK1 w - - 0 21 > >Here again we see Rybka in its element. A passed pawn in the middle game. It is >very instructive to see how Rybka plays this. –0.01/10 2 21.Rb1 (Re3) –0.05/15 >21 21...Rfd8 (Bxd5) 0.02/11 8 22.Rfd1 (Rfe1) 0.02/14 22 22...Bxd5 0.09/11 11 >23.exd5 0.19/15 11 23...Rd6 (Qe5) 0.10/11 11 24.Qd3 (Qb3) 0.38/14 10 24...Qd7 >0.16/12 9 25.c4 0.37/15 14 25...b4 0.10/12 6 26.Qe3 0.42/14 5 26...Ra5 (Rg6) >0.19/12 8 27.Ra1 (Re1) 1.20/16 23 27...Rda6 0.39/11 3 28.Qe5 (Rxa5) 1.17/15 11 >28...f6 (h6) 0.09/13 7 29.Qb8+ 2.00/13 3 29...Kf7 0.18/13 6 30.Rxa5 1.63/15 11 >30...Rxa5 0.06/13 6 31.Qb6 (Re1) > >[d]8/3q1kpp/1Q3p2/r1pP4/1pP5/8/5PPP/3R2K1 b - - 0 31 > >1.53/16 14 31...Ra2! Rybka already evaluates that it is winning due to the push >of the b pawn. In the meantime Shredder thinks it is winning. 0.00/139 32.Qxc5 >(h3) 1.59/15 12 32...b3 0.03/12 7 33.Qd4 (d6) 1.35/14 32 33...Qa7! (Rc2) >–1.67/13 8 34.Qxa7+ (c5) –1.34/13 33 34...Rxa7 -8.84/15 11 35.d6 -2.76/19 16 >35...Ke8 (Ke6) -9.23/14 5 36.d7+ (Re1+) –10.05/19 18 36...Kd8 –10.19/16 19 37.c5 >–10.21/20 7 37...b2 –11.04/15 18 38.c6 –10.31/19 5 38...Rc7 Another great game >by Rybka showing its strength with pawn pushes in the middle game. –11.10/16 13 >0–1 > > >(6) Rybka 1.01 Preview 2 32-bit - Shredder 9.1 UCI [E11] >tourney 1 Home (8.2), 27.12.2005 >[0.05;0.19] >GenuineIntel 3198 MHz W=15.2 ply; 136kN/s; Fritz9.ctg B=14.7 ply; 448kN/s; >Fritz9.ctg 1.d4 0 1...Nf6 0 2.c4 0 2...e6 0 3.Nf3 0 3...Bb4+ 0 4.Nbd2 0 4...b6 0 >5.a3 0 5...Bxd2+ 0 6.Bxd2 0 6...Bb7 0 7.Bg5 0 7...h6 0 8.Bh4 0 8...d6 0 9.e3 0 >9...Nbd7 0 10.Bd3 0 10...Qe7 0 11.Qc2 0 11...g5 0 12.Bg3 0 12...h5 0 13.h3 >0.05/11 8 13...0–0–0 (h4) 0.19/14 29 14.Nxg5 (Rg1) 0.15/12 15 14...h4 0.22/14 16 >15.Bh2 0.26/12 13 15...e5 0.30/14 19 16.c5 (dxe5) 0.11/11 7 16...dxc5 0.26/14 24 >17.dxe5 0.19/11 8 17...Ng4 (Nh5) 0.64/14 21 18.hxg4 0.68/11 7 18...Qxg5 1.44/14 >27 19.Bf5 (0–0–0) 0.63/11 10 19...h3 (Qe7) 0.28/15 43 20.Bf4 (Bg1) 0.67/12 12 >20...hxg2 0.04/16 50 21.Rg1 –0.92/13 28 21...Qe7 –0.06/15 7 22.0–0–0 –0.78/12 7 >22...Bf3 –0.06/14 6 23.Rde1 –0.73/11 5 23...Kb8 (Rh3) –0.32/13 10 24.Be4 >–0.92/12 7 24...Bxe4 –0.83/14 13 25.Qxe4 –0.92/12 3 25...c4 –0.91/15 14 26.Qxc4 >–0.95/12 6 26...Nc5 –0.91/15 15 27.Kc2 –1.34/12 15 27...Nd3 (Qd7) –0.76/14 24 >28.Rb1 –1.52/12 28 28...Nxe5 –0.75/12 6 29.Qe4 –1.53/11 4 29...Qc5+ –1.50/12 9 >30.Kb3 -2.41/12 27 30...Rhe8 –1.26/12 5 31.Ka2 -2.15/11 6 31...Nd3 –1.47/11 2 >32.Qa4 (Qxg2) -2.31/10 5 32...Re7 (Rh8) –1.54/11 4 33.Rbd1 (Ka1) –1.56/8 1 >33...Red7 (Qd5+) –0.86/12 11 34.Kb1 –1.84/10 4 34...b5 (Nxb2) –1.27/11 3 35.Qc2 >(Qe4) -2.07/11 6 35...Qxc2+ -2.15/13 5 36.Kxc2 -2.14/13 1 36...Nb4+ -2.29/15 3 >37.axb4 -2.20/14 1 37...Rxd1 -2.78/19 11 38.Rxg2 -2.54/13 2 38...R8d2+ (R1d2+) >-2.79/16 3 39.Kc3 -2.70/15 6 39...Rd3+ -2.74/16 3 40.Kc2 -2.27/2 0 40...R3d2+ >(R1d2+) -2.79/16 5 41.Kc3 0.00/22 1 41...Kb7 (Rd3+) -2.78/15 2 42.Rh2 (Be5) >-2.02/12 5 42...Rd3+ -3.03/14 3 43.Kc2 –1.74/2 0 43...a5 > >[d]8/1kp2p2/8/pp6/1P3BP1/3rP3/1PK2P1R/3r4 w - a6 0 44 > >White looks totally lost here. It is interesting to see how Rybka plays and >saves this game. -3.09/14 3 44.e4 -2.11/14 4 44...axb4 -3.10/14 3 45.b3 -2.09/13 >2 45...Rd7 -3.01/14 3 46.Be3 –1.95/13 7 46...R1d3 (Re1) -3.02/14 3 47.Rh5 (Kb2) >-2.30/13 5 47...c6 (Rc3+) -2.89/15 4 48.Kb2 (g5) –1.99/13 5 48...Kc8 (Rd1) >-2.68/14 5 49.e5 -2.08/12 13 49...Kc7 (Rc3) -2.39/14 9 50.Rf5 (Rh6) -2.23/12 6 >50...Rc3 -2.46/15 4 51.Rf6 (g5) -2.27/13 4 51...c5 -2.79/15 5 52.g5 -2.69/13 16 >52...c4 -2.95/14 4 53.bxc4 -2.69/12 1 53...bxc4 -3.08/14 1 54.Bf4 (e6) -2.03/12 >5 54...Kb7 (Kd8) -3.02/12 3 55.Be3 (e6) –1.98/13 8 55...Kc7 (Rdd3) -3.01/13 3 >56.Bf4 0.00/15 1 56...Kc8? > >[d]2k5/3r1p2/5R2/4P1P1/1pp2B2/2r5/1K3P2/8 w - - 0 57 > >Shredder underestimates whites pawn sac and thus gives up the win. -2.68/13 3 >57.g6! (e6) –0.42/13 4 57...fxg6 –1.28/14 6 58.e6! 0.00/14 4 58...Rd8 (Rb3+) >–0.03/13 3 59.Rf7 0.00/14 4 59...Rcd3 (Rf3) –0.02/13 2 60.Rc7+ 0.00/11 1 >60...Kb8 –0.02/10 0 61.Rf7+ 0.00/14 6 61...Ka8 –0.01/14 1 62.e7 0.00/15 2 >62...Rb3+ –0.01/15 2 63.Kc2 (Kc1) 0.00/21 5 63...Rc3+ 0.00/17 2 64.Kb2 0.00/22 3 >64...Rb3+ 0.00/18 3 65.Kc2 0.00/69 0 65...Rc3+ 0.00/18 2 66.Kb2 0.00/69 0 >66...Rb3+ A good save by Rybka showing that it can play some endings very well. >0.00/19 2 ½–½ > > >(13) Shredder 9.1 UCI - Rybka 1.01 Preview 2 32-bit [C99] >tourney 1 Home (29.2), 28.12.2005 >[0.01;0.08] >GenuineIntel 3198 MHz W=14.3 ply; 433kN/s; Fritz9.ctg B=12.1 ply; 131kN/s; >Fritz9.ctg 1.e4 0 1...e5 0 2.Nf3 0 2...Nc6 0 3.Bb5 0 3...a6 0 4.Ba4 0 4...Nf6 0 >5.0–0 0 5...Be7 0 6.Re1 0 6...b5 0 7.Bb3 0 7...d6 0 8.c3 0 8...0–0 0 9.h3 0 >9...Na5 0 10.Bc2 0 10...c5 0 11.d4 0 11...Qc7 0 12.Nbd2 0 12...cxd4 0 13.cxd4 0 >13...Nc6 0 14.Nb3 0 14...a5 0 15.Be3 0 15...a4 0 16.Nbd2 0 16...Bd7 0 17.Rc1 0 >17...Qb7 0 18.Qe2 0 18...Rfe8 0 19.Bd3 0 19...Rab8 0 20.dxe5 0 20...dxe5 0 21.a3 >0 21...Be6 0.08/11 11 22.Red1 (Rc2) 0.01/13 25 22...Rec8 0.08/11 9 23.Ng5 >0.00/14 45 23...Bd7 0.17/12 17 24.Nf1 (b4) 0.02/12 19 24...g6 (Na5) 0.05/11 14 >25.Nf3 0.22/13 17 25...Be6 0.03/12 17 26.Ng3 0.15/13 17 26...Ne8 (Bb3) –0.06/11 >23 27.Nf1 0.11/12 11 27...Nd6 (Bb3) –0.02/11 12 28.Bc5 (N1d2) –0.03/13 15 >28...Na5 –0.01/11 7 29.Bxd6 (N1d2) 0.00/14 15 29...Rxc1 0.16/13 10 30.Bxb8 >–0.12/15 15 30...Rxd1 0.04/14 11 31.Qxd1 –0.06/16 10 31...Qxb8 –0.17/13 6 32.Ne3 >–0.06/16 22 32...Nb3 (f6) –0.17/12 7 33.Bf1 (Nd5) 0.04/14 14 33...Nc5 (Bc5) >–0.01/11 8 34.Nd5 0.32/14 9 34...Bd8 0.14/13 9 35.Qc2 0.42/15 13 35...Qd6 (Bxd5) >0.16/13 7 36.Bxb5 (Nc3) 0.89/14 5 36...Bxd5 0.01/13 7 37.exd5 0.81/15 5 >37...Qxd5 (e4) 0.07/13 7 38.Bxa4 0.64/16 30 38...e4 0.00/13 8 39.Nh2 0.66/15 9 >39...h5 (Qd4) 0.00/12 6 40.Nf1 1.04/14 8 40...Nd3 0.00/12 7 41.Ne3 1.00/14 11 >41...Qd4 (Qe5) 0.00/12 8 42.Nd1 (Qc8) 0.94/14 18 42...Bb6 0.23/10 10 43.Kf1 >(Bb3) 0.97/13 6 43...Qe5 0.17/10 6 44.Bc6 (Qc6) 0.84/12 6 44...Kg7 (h4) 0.00/9 7 >45.a4 0.56/13 18 45...f5 (Bd4) 0.15/10 6 46.Bb5 1.11/14 6 46...Ba5 0.31/11 5 >47.Kg1 > >[d]8/6k1/6p1/bB2qp1p/P3p3/3n3P/1PQ2PP1/3N2K1 b - - 0 47 > >White looks very solid here with two connected passed pawns. You could even say >white is winning. Well Rybka has other plans and shows some really impressive >middle game play with its by now legendary forceful pawn play. 1.07/ 14 6 >47...Qd4 0.13/11 2 48.Qc4 0.97/14 11 48...Qe5 (Qxc4) 0.19/11 4 49.Qb3 1.07/13 5 >49...Nc5 0.08/11 8 50.Qc2 1.06/13 2 50...Qd4 0.23/11 5 51.Bc4 (g3) 1.07/13 3 >51...f4! Here come the pawns. 0.19/12 9 52.b3 1.01/13 4 52...Kh6 (Kf6) 0.24/12 4 >53.h4 1.11/14 4 ..... > >[d]8/6k1/6p1/bB2qp1p/P3p3/3n3P/1PQ2PP1/3N2K1 b - - 0 47 > >53...Bd8! Here Rybka sees the passers are on the a and b file are too slow and >moves the bishop from defense to attack. I think no engine again will play this >move because the other engines will not calculate the pawn pushes that Rybka is >looking at. 0.00/12 8 54.Qc1 (b4) 1.04/12 4 54...Kh7 0.00/12 5 55.Kh2 (Bf1) >0.90/12 5 55...Qd6 (Nd7) –0.23/11 7 56.Kg1 0.99/12 5 56...Bxh4 (Qd4) –0.59/11 5 >57.Nc3 (Qc2) 1.11/13 7 57...e3! (Bf6) –0.94/11 5 58.fxe3 (f3) –0.28/15 17 >58...f3! > >[d]8/7k/3q2p1/2n4p/P1B4b/1PN1Pp2/6P1/2Q3K1 w - - 0 59 > >Well Shredder still thinks there is nothing to worry about and thinks it is >doing just fine. Rybka on the other hand sees this as game over. –1.59/11 5 >59.Qd1 –0.28/13 3 59...f2+ (Qg3) –1.80/12 6 60.Kh1 0.04/15 5 60...Qf6! (Qe5) >–1.95/12 4 61.Nd5 –0.77/13 5 61...Qb2 (Qe5) -2.50/11 14 62.Kh2 –0.19/12 9 >62...Ne4 -4.55/11 13 63.Kh3 –1.58/12 4 63...Kh6! (Qe5) -4.89/10 3 64.Nf4 >-4.78/13 7 64...Qc3 -8.38/11 4 65.Qd4 -4.75/14 3 65...Ng5+ -9.23/12 7 66.Kxh4 >(Kh2) –10.62/15 5 66...f1Q –12.14/12 8 67.Qh8+ –14.44/14 13 67...Qxh8 –13.08/14 >6 68.Bxf1 –14.07/15 5 68...Qe5 Another great game from Rybka. Obviously Shredder >could have defended much better, but the strength in Rybka is that it sees moves >that other engines are not even calculating. This makes them react too slowly to >danger. –13.02/11 4 0–1 > > >(17) Fritz 9 - Rybka 1.01 Preview 2 32-bit [D48] >tourney 1 Home (41.1), 29.12.2005 >[0.00;0.00] >GenuineIntel 3198 MHz W=13.6 ply; 1,256kN/s; Fritz9.ctg B=14.6 ply; 175kN/s; >Fritz9.ctg 1.d4 0 1...d5 0 2.c4 0 2...c6 0 3.Nf3 0 3...Nf6 0 4.Nc3 0 4...e6 0 >5.e3 0 5...Nbd7 0 6.Bd3 0 6...dxc4 0 7.Bxc4 0 7...b5 0 8.Bd3 0 8...Bb7 0 9.0–0 0 >9...a6 0 10.e4 0 10...c5 0 11.d5 0 11...Qc7 0 12.dxe6 0 12...fxe6 0 13.Bc2 0 >13...c4 0 14.Ng5 0 14...Nc5 0 15.e5 0 15...Qxe5 0 16.Re1 0 16...Qd6 0 17.Qxd6 0 >17...Bxd6 0 18.Be3 0 18...0–0 0 19.Rad1 0 19...Be7 0 20.Bxc5 0 20...Bxc5 0 >21.Nxe6 0 21...Rfc8 0 22.h3 0 22...Rab8 0 23.Nxc5 0 23...Rxc5 0 24.Rd6 0 24...b4 >0 25.Na4 0 25...Rd5 0 26.Rb6 0 26...a5 0 27.Re7 0 27...Nd7 0 28.Rbe6 0 28...Nf8 >0 29.Rb6 > >[d]1r3nk1/1b2R1pp/1R6/p2r4/Npp5/7P/PPB2PP1/6K1 b - - 0 29 > >This is the last book move by Fritz in its own book. Looking at the Queenside >and seeing the future passed pawn looks like it could be very dangerous against >Rybka. Obviously Fritz has had good success with this, but I don't think this >book was made when Rybka was around. I expect many changes in this book to avoid >such positions. 0.00/13 17 29...Nd7 0.00/16 14 30.Rbe6 0.00/14 14 30...Rd2 >–0.26/11 8 31.Bf5 (f3) –0.52/12 16 31...Rf8 –0.42/12 9 32.Be4 (g4) –0.89/12 15 >32...Bxe4 –0.68/13 11 33.Rxe4 –0.78/13 20 33...Rc8 –1.15/13 11 34.Re2 (Re3) >–0.85/12 22 34...Rxe2 –1.25/15 7 35.Rxe2 –1.05/14 16 35...Nf6 –1.01/15 11 36.Rc2 >–1.23/14 21 36...Nd5 –1.04/16 9 37.g3 –1.14/12 11 37...c3! Rybka's patented pawn >push –0.93/15 14 38.Kg2 –1.19/14 24 38...Rf8 (Rc4) –0.99/14 25 39.Nc5 (h4) >–0.66/12 12 39...Kf7 (h6) –1.10/13 7 40.bxc3 –0.70/12 11 40...bxc3 –0.98/13 10 >41.Kf3 (a3) –0.73/13 19 41...Rc8 –1.13/13 8 42.Ne4 (Nb7) –1.09/14 14 42...Ke6 >–1.56/14 6 43.Ke2 –0.96/13 9 43...Ke5 –1.45/14 3 44.f3 –1.09/13 11 44...Kd4 (a4) >–1.45/14 9 45.Rc1 –1.32/13 11 45...Rc6 –1.78/14 20 46.Rd1+ –1.48/13 19 46...Kc4 >-2.19/14 15 47.Rb1 .... > >[d]8/6pp/2r5/p2n4/2k1N3/2p2PPP/P3K3/1R6 b - - 0 47 > >13 47...Nb4! Although I am not convinced that Rook to f8 was the best plan it >seems that Fritz 9 was not able to do anything about it and the freeing of the >white Knight seems to not useful at all. Now it looks like the passed pawns will >have some devastating consequences. -3.19/13 5 48.a3 -2.35/13 13 48...Nc2 >-3.43/13 5 49.Rc1 -2.64/13 14 49...Nd4+ -3.64/12 3 50.Ke3 -2.86/13 8 50...c2 >-3.72/12 4 51.a4 -3.29/12 8 51...Rb6 (h6) -3.86/13 4 52.Kd2 -3.88/12 9 52...Rb2 >(Kb3) -4.48/13 8 53.Nd6+ -3.76/12 5 53...Kb4 (Kb3) -4.46/15 5 54.Kd3 -3.85/14 8 >54...Rb1 -4.73/16 9 55.Rxc2 -4.18/14 7 55...Nxc2 -4.73/16 3 56.Kxc2 -4.39/15 6 >56...Rb3 -4.86/15 5 57.Kd2 (g4) -4.67/14 5 57...Rxf3 -5.10/13 2 58.Ne4 (Nb5) >-5.04/15 7 58...Kxa4 -5.36/14 2 59.Ng5 -5.78/14 12 59...Rf5 -6.16/15 9 60.Nxh7 >(Ne6) -5.17/13 7 60...Kb4 –10.98/16 5 61.g4 (Ke3) -7.84/12 7 61...Rd5+ –11.86/16 >6 62.Ke3 -9.36/12 4 62...a4 –14.14/16 23 63.h4 (Ke4) -9.85/11 5 63...a3 Another >impressive game with instructive pawn pushes. –14.15/12 11 0–1 > > > > > > >In this game Rybka plays some moves that seem totally against all the principles >of chess structure. Yet it convincingly manages to win. > > >(5) Shredder 9.1 UCI - Rybka 1.01 Preview 2 32-bit [B49] >tourney 1 Home (7.2), 27.12.2005 >[0.05;0.30] >GenuineIntel 3198 MHz W=17.0 ply; 495kN/s; Fritz9.ctg B=14.2 ply; 141kN/s; >Fritz9.ctg 1.e4 0 1...c5 0 2.Nf3 0 2...Nc6 0 3.d4 0 3...cxd4 0 4.Nxd4 0 4...e6 0 >5.Nc3 0 5...a6 0 6.Be2 0 6...Qc7 0 7.f4 0 7...b5 0 8.Nxc6 0 8...Qxc6 0 9.Bf3 0 >9...Bb7 0 10.Be3 0 10...Rc8 0 11.a3 0 11...Qc7 0 12.Qd4 0 12...Ne7 0 13.0–0–0 0 >13...Nc6 0 14.Qb6 0 14...Qxb6 0 15.Bxb6 0 15...d6 0 16.a4 0 16...b4 0 17.Nb1 0 >17...g5 0.30/12 13 18.fxg5 0.05/16 26 18...Be7 (Ne5) 0.31/13 16 19.h4 (Be3) >0.65/15 21 19...Ne5 (0–0) 0.45/12 11 20.Bd4 (Nd2) 0.64/14 11 20...h6! > >[d]2r1k2r/1b2bp2/p2pp2p/4n1P1/Pp1BP2P/5B2/1PP3P1/1NKR3R w k - 0 21 > > Rybka evaluates that doubling of the pawns in this position is worth the >initiative and the pin it will get on d2. I think most engines try to shy away >as much as possible from doubled pawns ... but not Rybka. 0.00/12 8 21.Bxe5 >(Nd2) 0.32/16 29 21...dxe5 –0.32/13 5 22.gxh6 –0.05/17 32 22...Rxh6 –0.33/14 12 >23.h5 –0.30/17 24 23...Bg5+ –0.43/14 9 24.Nd2 –0.32/17 10 24...Rd8 (Bc6) >–0.32/14 12 25.Rh2 (Rh3) –0.43/15 22 25...f5 (Ke7) –1.09/13 7 26.Rh3 (Be2) >–0.78/14 11 26...Bxe4 (fxe4) –1.54/13 9 27.Rhh1 (Be2) -2.29/17 58 27...Rh7 >-2.40/14 8 28.Bxe4 (Rhe1) -3.03/17 41 28...fxe4 > >[d]3rk3/7r/p3p3/4p1bP/Pp2p3/8/1PPN2P1/2KR3R w - - 0 29 > > >Well here we have 3 pawns stacked up on top of each other!!! This is against all >chess principles. Again Rybka evaluates correctely that this weakness will not >be a liability because the game will be over before white can exploit this >weakness. -3.42/13 6 29.Rhe1 -3.24/17 26 29...Rxh5 (Rhd7) -3.36/13 8 30.c3 >-2.78/17 26 30...b3 (e3) -4.02/14 16 31.Re2 -7.19/18 16 31...Rh7 -4.84/15 7 >32.g3 -7.42/16 4 32...Rhd7 -5.72/17 19 33.c4 (Rh2) –10.06/17 14 33...e3 A nice >example of how strong Rybka is in the middle game. -8.65/15 6 0–1 > > > >There has been a lot of talk of how weak Rybka is in the ending. While I agree >with that in general but I think a more accurate description is that Rybka has >some big gaps in its ending knowledge. Rybka can play some excellent endings >and can pull out resources that only a top GM can dream about. Here is a good >save by actively playing the endgame. > > > >Rybka also plays dynamic middle games very impressively (even at short time >controls). Here is a nice win. > >(7) Fruit 2.2.1 - Rybka 1.01 Preview 2 32-bit [C95] >tourney 1 Home (8.3), 27.12.2005 >[0.44;0.21] >GenuineIntel 3198 MHz W=14.1 ply; 629kN/s; Fritz9.ctg B=12.6 ply; 137kN/s; >Fritz9.ctg 1.e4 0 1...e5 0 2.Nf3 0 2...Nc6 0 3.Bb5 0 3...a6 0 4.Ba4 0 4...Nf6 0 >5.0–0 0 5...Be7 0 6.Re1 0 6...b5 0 7.Bb3 0 7...d6 0 8.c3 0 8...0–0 0 9.h3 0 >9...Nb8 0 10.d4 0 10...Nbd7 0 11.Nbd2 0 11...Bb7 0 12.Bc2 0 12...Re8 0 13.Nf1 0 >13...Bf8 0 14.Ng3 0 14...g6 0 15.a4 0 15...c5 0 16.d5 0 16...c4 0 17.Bg5 0 >17...h6 0 18.Be3 0 18...Nc5 0 19.Qd2 0 19...h5 0 20.Bg5 0 20...Be7 0 21.Ra3 0 >21...Rb8 0 22.Rea1 0 22...Bc8 0 23.axb5 0 23...axb5 0 24.Ra7 0 24...Rb7 0 25.Ra8 >0 25...Nfd7 0 26.Be3 0 26...Qc7 0 27.R8a3 0.44/12 15 27...Nf6 (h4) 0.21/12 35 >28.R3a2 (Rd1) 0.44/12 22 28...Bd7 0.14/10 7 29.Qe2 (Qe1) 0.43/12 10 29...Reb8 >0.11/11 10 30.Bd2 0.35/12 10 30...Na4 (Ne8) 0.09/11 8 31.Qe1 (Bd1) 0.42/12 11 >31...Ra7 (Nc5) 0.09/11 8 32.Be3 0.34/13 15 32...Ra6 (Ra5) 0.08/13 12 33.Ra3 >(Qd2) 0.37/13 21 33...Rba8 0.05/12 14 34.R1a2 (Qd2) 0.34/12 25 34...Ra5 0.05/11 >11 35.Qc1 (Qa1) 0.32/11 11 35...Bc8 (R8a6) 0.07/10 7 36.Qa1 0.51/13 10 36...Bd7 >(Bd8) 0.07/11 2 37.b3 (b4) 0.64/13 13 37...cxb3 0.10/10 3 38.Bxb3 0.63/11 13 >38...Qc8 (Kg7) 0.09/10 7 39.Bd1 (Bc2) 0.54/11 13 39...Qb7 (R5a6) 0.09/10 9 >40.Bc2 (Be2) 0.47/11 12 40...Qc7 0.10/10 7 41.Bd2 (Bd3) 0.50/12 15 41...Qc4 >(R5a6) 0.10/10 6 42.Bd1 Black needs to something going here ... what should he >play ? 0.56/12 9 > >[d]r5k1/3bbp2/3p1np1/rp1Pp2p/n1q1P3/R1P2NNP/R2B1PP1/Q2B2K1 b - - 0 42 > > 42...Nxe4! Unbelievable ... Rybka goes for a Queen sac right in the middle >game. –0. 49/12 10 43.Bb3 0.48/13 8 43...Nxd2 –0.62/13 9 44.Bxc4 0.12/13 9 >44...Nxc4 –0.61/13 7 45.Kh2 (h4) 0.08/13 10 45...Kg7 (Nxa3) –0.73/12 8 46.Rb3 >(Qe1) 0.05/13 12 46...Nc5 –0.94/14 10 47.Rbb2 0.02/14 8 47...Nb3 (h4) –0.93/14 8 >48.Rxa5 –0.08/14 6 48...Rxa5 –0.88/14 5 49.Qd1 –0.04/15 5 49...Nxb2 –0.86/14 4 >50.Qxb3 –0.04/14 3 50...Nc4 (Nd3) –0.87/14 21 51.Ne4 (Qc2) 0.00/14 6 51...Ra3 >–0.87/14 8 52.Qc2 (Qb4) –0.15/14 7 52...Nb6 (Bf5) –1.32/13 7 53.Qd2 –0.59/14 15 >53...Ra4 –1.27/13 8 54.Ng3 –0.48/14 9 54...Bd8 (Rc4) –1.13/13 23 55.Nf1 –0.22/12 >8 55...Rc4 (Nc4) –1.32/13 11 56.Ne3 –0.61/13 7 56...Rc5 –1.27/13 5 57.Ng1 >–0.61/13 7 57...Bg5 –1.33/12 4 58.Ne2 (Nf3) –0.57/13 8 58...Rxd5 (h4) –1.38/13 4 >59.Qe1 (Qa2) –0.89/13 4 59...Bxe3 –1.75/15 7 60.fxe3 –0.91/13 2 60...Nc4 >–1.78/14 3 61.Ng3 –1.17/14 6 61...Rd3 –1.92/13 4 62.Nf1 –0.96/14 4 62...Bc6 >(Nb6) –1.78/13 10 63.Qc1 (e4) –0.87/13 4 63...Bd5 –1.84/12 5 64.Qc2 (Qb1) >–0.88/15 6 64...Be4 –1.84/13 1 65.Qc1 –1.05/16 8 65...Kf6 (h4) –1.78/12 5 66.Qe1 >–0.81/13 6 66...Ke6 –1.68/12 7 67.h4 (g4) –1.03/13 8 67...Bc6 (Nb6) –1.95/12 4 >68.e4 –1.23/14 7 68...Kf6 (Nb6) –1.91/12 11 69.Kh1 (Qf2+) –1.13/14 9 69...Kg7 >–1.86/13 5 70.Kg1 –1.10/15 7 70...Ba8 (Kg8) –1.88/14 4 71.Kh2 –1.09/15 3 >71...Kf8 (Bb7) –1.87/14 5 72.Kg1 –1.10/15 6 72...Kg8 (Bb7) –1.87/15 7 73.Kh2 >(Kh1) –1.09/15 4 73...Bc6 –1.87/15 4 74.Kg1 –1.13/16 11 74...Kg7 –1.86/15 15 >75.Kh2 –1.12/16 6 75...Ba8 (Kf8) –1.86/15 9 76.Kg1 –1.12/15 4 76...Bb7 (Kf8) >–1.87/15 4 77.Kh2 –1.13/16 8 77...Kf8 –1.87/15 4 78.Kg1 (Kh1) –1.10/16 7 >78...Bc6 –1.87/14 5 79.Kh1 (Kh2) –1.15/16 6 79...Ke7 –1.87/14 4 80.Kh2 (Kg1) >–1.15/15 5 80...Ke6 –1.96/12 3 81.Kg1 –1.11/14 6 81...Bb7 (f6) –1.87/12 8 82.Kf2 >–1.11/14 3 82...Ke7 –1.87/12 2 83.Kg1 –1.12/15 4 83...Kd8 (f6) –1.87/14 6 84.Kh1 >–1.14/15 6 84...Bc6 –1.86/14 5 85.Kg1 (Kh2) –1.12/15 3 85...Kd7 (f6) –1.86/14 10 >86.Kh2 (Kh1) –1.12/15 6 86...Ke7 (f6) –1.86/13 2 87.Kh1 (Kg1) –1.16/15 8 >87...Kf8 (f5) –1.87/13 3 88.Kh2 (Kg1) –1.11/15 6 88...Ke8 –1.82/13 3 89.Kg1 >–1.15/15 3 89...Kd8 (f6) –1.75/13 4 90.Kh2 –1.15/14 4 90...Kd7 –1.83/14 7 91.Qf2 >(Kg1) –1.19/14 6 91...Ke8 –1.88/14 4 92.Qe1 –1.15/16 4 92...f6 –1.86/13 2 93.Kh1 >–1.24/15 4 93...Ke7 (Kf7) –1.83/13 5 94.Kg1 –1.24/15 6 94...Kf7 –1.83/13 4 >95.Kh2 –1.14/15 4 95...Ke6 –1.84/13 3 96.Kg1 –1.24/15 3 96...Ke7 –1.84/12 3 >97.Kh2 (Kf2) –1.26/14 3 97...Nb6 –1.93/13 3 98.Ne3 –1.12/14 3 98...Na4 –1.76/13 >5 99.c4 –0.95/14 5 99...bxc4 –1.51/12 2 100.Nxc4 (Qa5) –0.89/13 3 100...Nc5 >–1.48/11 2 101.Qa5 –0.56/13 4 101...Bxe4 –1.27/11 3 102.Qc7+ –0.63/13 4 >102...Ke6 –1.27/11 2 103.Qb8 –0.63/13 5 103...Bf5 (Kd7) –1.17/10 2 104.Qe8+ >(Qg8+) –0.49/11 2 104...Kd5 –1.75/2 0 105.Nb6+ –0.15/13 5 105...Kd4 –1.09/11 2 >106.Qc6 (Qb5) –0.15/13 4 106...Ne4 –0.94/9 1 107.Qc4+ –0.09/12 3 107...Ke3 >–1.67/2 0 108.Nd5+ 0.00/13 4 108...Kd2 –0.74/10 1 109.Qb5 (Qb4+) 0.00/13 4 >109...Nf2 (g5) –0.17/9 3 110.Kg1 (Qa5+) 0.00/11 3 Here it seems that Fruit has >somehow neutralized black and might escape with a draw but Rybka shows that the >center passed pawns will make all the difference. > >[d]8/8/3p1pp1/1Q1Npb1p/4n2P/3r4/3k2PK/8 b - - 0 109 > >110...Nd1! (Ne4) –0.70/11 4 111.Nxf6 0.00/11 3 111...Nc3 (Ne3) –1.37/10 2 >112.Qb2+ –0.17/10 2 112...Kd1 –1.65/10 1 113.Kf1 0.00/11 5 113...d5 (e4) >-2.10/11 3 114.Kg1 (Qb4) –0.62/11 3 114...e4 (d4) -3.75/10 3 115.g3 (Qb3+) >–1.46/10 3 115...e3 (Rxg3+) -6.26/11 3 116.Nxd5 (Qa1+) -4.43/12 3 116...Nxd5 >-7.09/11 2 117.g4 (Qb1+) -7.16/13 8 117...hxg4 (Nc3) -8.03/11 3 118.Qa1+ >–18.13/15 15 118...Ke2 -8.91/11 1 119.Qb2+ (Qa2+) –19.86/15 4 119...Kf3 (Rd2) >–12.23/13 17 120.Qg2+ -6.07/11 2 120...Kf4 -6.92/2 0 121.Qf1+ –11.40/13 4 >121...Ke5 –12.25/13 11 122.Qe1 –12.55/13 3 122...Nc3 –13.10/12 6 123.Qg3+ >–14.02/13 3 123...Kd4 (Ke4) –17.01/12 10 0–1 > > > > > > > > > >(14) Rybka 1.01 Preview 2 32-bit - Fruit 2.2.1 [B85] >tourney 1 Home (33.3), 28.12.2005 >[0.08;0.11] >GenuineIntel 3198 MHz W=14.1 ply; 193kN/s; Fritz9.ctg B=15.8 ply; 1,033kN/s; >Fritz9.ctg 1.e4 0 1...c5 0 2.Nf3 0 2...d6 0 3.d4 0 3...cxd4 0 4.Nxd4 0 4...Nf6 0 >5.Nc3 0 5...a6 0 6.Be2 0 6...e6 0 7.0–0 0 7...Be7 0 8.f4 0 8...0–0 0 9.a4 0 >9...Qc7 0 10.Kh1 0 10...Nc6 0 11.Be3 0 11...Re8 0 12.Bf3 0 12...Bf8 0 13.Qd2 0 >13...Na5 0 14.Qf2 0 14...Nc4 0 15.Bc1 0 15...e5 0 16.Nde2 0 16...d5 0 17.fxe5 0 >17...Nxe5 0 18.Bf4 0 18...dxe4 0 19.Nxe4 0 19...Nd5 0 20.Bg3 0 20...Bf5 0 >21.Rad1 0.08/10 9 21...Bxe4 (Nb6) –0.01/1 0 22.Bxe4 0.07/11 4 22...Nf6 –0.01/1 0 >23.Nc3 0.00/11 7 23...Nxe4 0.11/12 11 24.Nxe4 –0.07/11 4 24...f6 0.10/13 17 >25.Qf5 (Rfe1) –0.08/11 23 25...Qc8 –0.04/13 12 26.Rde1 –0.22/11 12 26...Qxf5 >(Kh8) –0.30/13 11 27.Rxf5 –0.36/11 5 27...Nc6 –0.40/14 12 28.Rd5 (Rff1) –0.41/12 >9 28...Rad8 –0.32/14 8 29.Rxd8 –0.58/14 12 29...Rxd8 –0.44/14 15 30.Kg1 (c3) >–0.60/14 14 30...Be7 –0.44/15 23 31.Bf2 (Kf1) –0.63/14 12 31...f5 –0.61/15 11 >32.Bb6 (Ng3) –0.66/13 3 32...fxe4 (Rd7) –0.69/15 13 33.Bxd8 –0.47/14 3 33...Bxd8 >–0.67/16 14 34.Rxe4 –0.44/13 3 34...Kf7 > >[d]3b4/1p3kpp/p1n5/8/P3R3/8/1PP3PP/6K1 w - - 0 35 > > Athough the material is balanced this ending is impressively won by Rybka >against arguably the strongest endgame engine in such open positions. When I was >watching this game I thought for sure white would lose this game especially >after it seemed that the white rook was almost trapped on the 8th file. But I >had no idea that Rybka planned to sac that rook and overwhelm black's queenside >with it's King. –0.66/16 11 35.Kf2 (g3) –0.43/13 9 35...Bb6+ (Bc7) –0.66/15 13 >36.Kf3 (Ke2) –0.32/13 9 36...Kf6 (Nd4+) –0.64/14 11 37.Re8 (g3) –0.29/12 10 >37...Nd4+ (Bc7) –0.64/14 21 38.Ke4 –0.04/14 8 38...Ne6 –0.63/15 8 39.b4 –0.02/14 >7 39...Bd8 (Bc7) –0.68/14 9 40.Rh8 –0.98/14 11 40...g6 (Kf7) –0.87/14 8 41.Kd5 >–1.03/13 9 41...h5 (Kg7) –0.89/16 11 42.c4 (h3) –0.12/14 6 42...Kg7 –0.47/15 6 >43.Kxe6! Ofcourse! The black king is completely out for a couple of moves and by >that time the white King mops up the black pawns. The white pawns are too >advanced and the black bishop is useless here. 0.20/186 43...Kxh8 –0.36/18 6 >44.Kd7 0.73/17 10 44...Bf6 –0.02/17 10 45.Kc7 (c5) 0.83/14 10 45...b5 (Bc3) >0.40/17 15 46.cxb5 1.30/17 8 46...axb5 1.27/18 11 47.a5 1.72/18 5 47...Bd4 (Kg7) >2.33/20 6 48.a6 1.86/15 6 48...Kg7 4.72/22 10 49.Kb8 (Kb7) 3.85/18 106 49...Kf7 >(Kf6) 5.49/20 111 50.a7 3.85/16 55 50...Be5+ (Bxa7+) 7.77/13 33 51.Kb7 (Kc8) >6.95/13 2 51...Bxh2 6.73/11 2 52.a8Q 6.95/12 2 52...Bf4 (Be5) 6.89/11 4 53.Ka6 >To say that Rybka cannot play endings is completely false. It can play extremely >strong in the endings. It is just that in SOME endings it has HUGE gaps. 6.95/10 >2 1–0 > > > > >(20) Rybka 1.01 Preview 2 32-bit - Fruit 2.2.1 [B97] >tourney 2 Home (7.1), 31.12.2005 >[0.00;0.00] >GenuineIntel 3198 MHz W=14.0 ply; 170kN/s; Fritz9.ctg B=15.8 ply; 853kN/s; >Fritz9.ctg 1.e4 0 1...c5 0 2.Nf3 0 2...d6 0 3.d4 0 3...cxd4 0 4.Nxd4 0 4...Nf6 0 >5.Nc3 0 5...a6 0 6.Bg5 0 6...e6 0 7.f4 0 7...Qb6 0 8.Qd2 0 8...Qxb2 0 9.Rb1 0 >9...Qa3 0 10.f5 0 10...Nc6 0 11.fxe6 0 11...fxe6 0 12.Nxc6 0 12...bxc6 0 13.e5 0 >13...dxe5 0 14.Bxf6 0 14...gxf6 0 15.Ne4 0 15...Qxa2 0 16.Rd1 0 16...Be7 0 >17.Be2 0 17...0–0 0 18.0–0 0 18...Ra7 0 19.Rf3 0 19...Kh8 0 20.Rg3 0 20...Rd7 0 >21.Qh6 0 21...Rxd1+ 0 22.Bxd1 0 22...Rf7 0 23.Qh5 0 23...Qa5 0 24.Kf1 0 24...Qd8 >0 25.Qxf7 0 25...Qxd1+ 0 26.Kf2 0 26...Qxc2+ 0 27.Ke3 0 27...Bc5+ 0 28.Nxc5 0 >28...Qxc5+ 0 29.Kf3 0 29...e4+ 0 30.Kxe4 0 30...Qc2+ 0 31.Ke3 0 31...Qc3+ 0 >32.Kf2 0.00/15 12 32...Qd2+ 0.00/15 16 33.Kf3 (Kf1) 0.00/15 3 33...Qd5+ (Qd3+) >0.00/17 18 34.Ke2 (Kf2) 0.00/17 16 34...Qc4+ (Qa2+) 0.00/13 15 35.Rd3 2.08/11 13 >35...Qe4+ 0.00/14 14 .... > >[d]2b4k/5Q1p/p1p1pp2/8/4q3/3R4/4K1PP/8 w - - 0 36 > >Looks like Fruit has the initiative here. An extra pawn ahead with what looks >like an extra pawn to come, but Rybka has set a nasty trap > > 36.Kf2! 3.20/12 22 36...Qf5+? Here we see why Rybka is so dangerous. Rybka >evaluation has jumped to +3.20 It realized that the critical line is that if the >Queens are forced to be exchanged the black Bishop will be in trouble and that >even though black has more pawns the Rook will completely dominate the pawns. In >the meantime Fruit takes quite a while to realize that things are lost and >believes Kg1 is = 0.00/14 17 37.Kg1 (Ke1) 3.71/12 9 37...Qc5+ 1.85/14 16 38.Kf1 >4.02/12 13 38...Qf5+ 2.12/13 13 39.Rf3 4.41/12 25 39...Qb1+ 2.12/13 15 40.Kf2 >4.37/12 8 40...Qc2+ 3.29/12 8 41.Kg3 (Kg1) 4.35/13 27 41...Qg6+ 3.24/14 22 >42.Qxg6 4.41/19 8 42...hxg6 4.00/19 12 43.Rd3 4.41/18 8 43...Kg7 4.00/19 10 >44.Rd8 4.42/17 52 44...Bb7 4.01/18 13 45.Rd7+ 4.41/13 2 45...Kg8 (Kh6) 4.09/17 7 >46.Rxb7 4.82/11 1 46...e5 (c5) 4.19/16 17 47.Kf3 (Rc7) 4.71/12 7 47...f5 4.18/14 >7 48.Re7 (Rc7) 5.29/12 9 48...e4+ 4.95/16 18 49.Kf4 5.29/13 5 49...Kf8 (a5) >5.13/16 7 50.Ra7 (Rc7) 5.35/13 7 50...a5 5.24/15 14 51.Rxa5 5.35/12 5 51...Ke7 >7.24/18 136 52.Kg5 (h4) 5.35/12 9 52...c5 (Ke6) 7.50/13 4 53.Kxg6 6.29/12 7 >53...f4 (e3) 11.85/13 6 54.Rxc5 (h4) 6.30/12 6 1–0 > > >(23) Shredder 9.1 UCI - Rybka 1.01 Preview 2 32-bit [B80] >tourney 2 Home (16.3), 31.12.2005 >[0.25;0.50] >GenuineIntel 3198 MHz W=13.8 ply; 451kN/s; Fritz9.ctg B=12.1 ply; 142kN/s; >Fritz9.ctg 1.e4 0 1...c5 0 2.Nf3 0 2...d6 0 3.d4 0 3...cxd4 0 4.Nxd4 0 4...Nf6 0 >5.Nc3 0 5...a6 0 6.Be3 0 6...e6 0 7.f3 0 7...b5 0 8.g4 0 8...h6 0 9.Qd2 0 >9...Nbd7 0 10.0–0–0 0 10...Bb7 0 11.h4 0 11...b4 0 12.Na4 0 12...Qa5 0 13.b3 0 >13...Nc5 0 14.a3 0 14...Rc8 0 15.axb4 0 15...Nxb3+ 0 16.Nxb3 0 16...Qxa4 0 >17.Kb2 0 17...d5 0 18.c3 0 18...dxe4 0 19.Na5 0 19...Bd5 0 20.Ra1 0 20...Qd7 0 >21.Bxa6 0 21...exf3 0 22.Bxc8 0 22...Qxc8 0 23.g5 0 23...Ne4 0 24.Qc2 0 24...Bd6 >0 25.Bd4 0 25...e5 0 26.Be3 0 26...0–0 > >[d]2q2rk1/5pp1/3b3p/N2bp1P1/1P2n2P/2P1Bp2/1KQ5/R6R w - - 0 27 > >This is the position after the last book move. Not a pleasant position for black >at all, especially against a strong attacker such as Shredder. Yet Rybka somehow >manages to control the situation and even turns the tables. 0.50/10 20 27.Rhd1 >0.25/13 36 27...Ba8 (Qe6) 0.95/10 9 28.gxh6 1.44/14 19 28...gxh6 (g6) 1.29/10 23 >29.Bxh6 (Qd3) 2.34/13 30 29...Rd8 0.70/9 3 30.Be3 1.68/14 65 30...Kh8 0.92/10 11 >31.Qb3 (h5) 1.79/14 25 31...Rg8 0.67/8 3 32.Rg1 1.85/13 17 32...Rxg1 (Rd8) >0.95/11 14 33.Rxg1 2.09/14 6 33...Qf5 1.18/12 19 34.Qa4 2.18/13 9 34...Qc8 >1.30/12 14 35.Qc2 2.32/14 22 35...Be7 (f5) 1.35/11 10 36.Qd3 2.65/13 10 36...Bf6 >(f5) 1.67/11 17 37.Bb6 (Nc4) 2.97/13 23 > >[d]b1q4k/5p2/1B3b2/N3p3/1P2n2P/2PQ1p2/1K6/6R1 b - - 0 37 > >37...f2! Terrific move by Rybka. Fritz still gives itself a +2.0 1.33/11 9 >38.Bxf2 2.32/15 27 38...Nxf2 1.29/13 8 39.Qe3 2.32/15 17 39...Ng4 1.35/13 8 >40.Rxg4 (Qh3) 2.33/15 15 40...Qxg4 0.95/11 3 41.Qh6+ 2.22/15 10 41...Kg8 0.72/2 >0 42.Qxf6 2.22/15 7 42...Qe2+ 1.10/10 2 43.Ka3 2.47/15 10 43...Bf3 1.14/11 5 >44.Nb3 2.41/14 10 44...Qe3 1.08/11 5 45.Qd8+ 2.17/14 10 45...Kg7 0.99/12 20 >46.c4 (Kb2) 2.13/14 7 46...Qa7+ (Be2) 0.99/11 5 47.Kb2 (Qa5) 2.42/13 5 47...Qf2+ >1.13/9 2 48.Nd2 2.36/13 6 48...e4 (Bb7) 0.82/10 5 49.Kc3 (Qg5+) 2.41/11 7 >49...Qe3+ 0.73/10 8 50.Kc2 2.15/11 1 50...Qe2 (Qf2) 0.50/11 11 51.Qd4+ 2.65/11 4 >51...f6 (Kg8) 0.34/12 9 52.Kb3 2.21/12 6 52...Qd1+ 0.21/12 7 53.Kb2 2.21/13 3 >53...Qe2 0.24/12 7 54.Ka3 (Qd7+) 1.35/12 11 54...e3 0.60/11 4 55.Ne4 (Nb3) >1.34/11 3 55...Bxe4 0.00/12 9 56.Qxe4 0.01/12 6 56...Qd2 0.00/12 7 57.Qe7+ (h5) >0.01/11 2 57...Kg6 –0.23/10 4 58.Qe4+ 0.01/11 3 58...Kh5 (Kh6) –0.27/11 5 >59.Qf5+ 0.01/11 5 59...Kxh4 0.00/12 5 60.Qf4+ (Qxf6+) 0.01/11 2 60...Kh3 (Kh5) >–0.78/10 4 61.Qf3+ 0.00/12 5 61...Kh2 –0.74/11 4 62.Kb3 –0.36/12 7 62...e2 >-2.05/12 5 63.Qf2+ –0.79/13 2 63...Kh3 -2.05/15 5 64.Qf3+ –0.79/14 2 64...Kh4 >-2.07/15 3 65.Qf2+ –1.54/14 22 65...Kg5 -2.13/13 4 66.Qg3+ (Qg2+) –1.54/14 2 >66...Kf5 -4.11/14 5 67.Qf3+ (Qh3+) –1.54/14 4 67...Ke5 -4.18/14 4 68.Qh5+ >–1.54/14 4 68...f5 (Kd6) -4.69/14 3 69.Qh8+ –1.55/13 1 69...Ke6 (Ke4) -8.38/14 8 >70.Qe8+ -5.34/14 11 70...Kf6 -8.38/14 3 71.Qc6+ -5.09/14 3 71...Ke5 -8.38/15 8 >72.Qc5+ -7.27/14 6 72...Kf4 -8.38/15 4 73.Qf2+ -7.93/14 2 73...Ke4 -9.23/15 13 >74.Qg2+ -8.21/14 4 74...Kd3 A fantastic game played by Rybka. From a lost >position to a won position. It is not often that Shredder is made to look like >an amateur. -9.23/15 8 0–1 > > >(24) Rybka 1.01 Preview 2 32-bit - Fritz 9 [B47] >tourney 2 Home (18.2), 31.12.2005 >[0.23;0.90] >GenuineIntel 3198 MHz W=13.7 ply; 166kN/s; Fritz9.ctg B=11.2 ply; 1,152kN/s; >Fritz9.ctg 1.e4 0 1...c5 0 2.Nf3 0 2...Nc6 0 3.d4 0 3...cxd4 0 4.Nxd4 0 4...e6 0 >5.Nc3 0 5...Qc7 0 6.Be2 0 6...a6 0 7.0–0 0 7...Nf6 0 8.Kh1 0 8...Nxd4 0 9.Qxd4 0 >9...Bc5 0 10.Qd3 0 10...b5 0 11.f4 0 11...Bb7 0 12.Bf3 0 12...h5 0 13.e5 0 >13...Ng4 0 14.Bxb7 0 14...Qxb7 0 15.Ne4 0 15...Be7 0 16.b3 0 16...Rc8 0 17.Bb2 0 >17...Nh6 0 18.Qf3 0 18...Qb6 0.90/12 14 19.Rf2 (c3) 0.23/11 18 19...Nf5 0.73/12 >18 20.Rd1 (Re2) 0.20/11 14 20...Qe3 0.24/13 30 21.c3 (Qe2) 0.16/12 14 21...Rc6 >0.22/12 20 22.g3 (Qxe3) 0.10/12 10 22...Qxf3+ –0.06/13 18 23.Rxf3 0.12/13 2 >23...h4 (d5) –0.02/13 21 24.Kg2 0.25/12 7 24...d5 –0.04/12 21 25.exd6 0.26/12 2 >25...Nxd6 0.06/12 12 26.Re3 (Nf2) 0.13/13 19 26...Nxe4 (hxg3) –0.10/11 13 >27.Rxe4 0.14/12 5 27...Bf6 (hxg3) –0.20/11 15 28.f5 0.07/12 12 28...h3+ (a5) >–0.18/11 14 29.Kf3 (Kf2) 0.09/13 7 29...0–0 –0.01/12 13 30.fxe6 0.15/13 3 >30...Rxe6 –0.03/13 13 31.Rd2 (Rxe6) 0.17/14 8 31...Bg5 (Rxe4) 0.00/12 15 32.Rc2 >(Rd1) 0.12/13 9 32...Rxe4 0.20/12 11 33.Kxe4 0.00/13 3 33...f5+ 0.16/12 11 >34.Kd5 0.00/14 9 34...Bf6 (f4) 0.27/12 15 35.Ke6 1.01/14 20 35...Kh7 0.42/12 6 >36.Ba3 1.03/16 11 36...Rc8 > >[d]2r5/6pk/p3Kb2/1p3p2/8/BPP3Pp/P1R4P/8 w - - 0 37 > >0.51/13 6 37.c4! Rybka goes for its strength, the passed pawn. Fritz totally >underestimates this pawn break. 1.37/1516 37...Kg6 (bxc4) 0.86/12 7 38.c5! (Bd6) >1.46/11 3 38...Re8+ 1.45/13 12 39.Kd7 1.73/13 13 39...Re7+ 1.48/12 13 40.Kc6 >(Kc8) 2.00/13 8 40...Re8 (Re1) 1.79/12 10 41.Kb7 2.53/12 6 41...Be7 (Be5) >2.08/12 7 42.Re2 3.95/15 7 42...Bxc5 (Kf7) 2.41/14 5 43.Rxe8 4.05/14 2 43...Bxa3 >2.64/14 6 44.Kxa6 3.99/15 6 44...b4 2.69/15 5 45.Rh8 (Rc8) 4.05/16 4 45...Kf6 >3.12/16 9 46.Rxh3 4.05/17 6 46...g5 3.37/15 6 47.Rh6+ 4.05/17 7 47...Ke5 (Ke7) >3.46/15 4 48.Rg6 4.05/18 12 48...Bc1 (Bb2) 3.73/15 6 49.Kb5 4.05/14 1 49...Bd2 >(g4) 3.73/15 7 50.Kc4 4.05/14 6 50...Ke4 (g4) 4.04/14 7 51.Re6+ (Rd6) 4.05/11 2 >51...Kf3 3.73/11 0 52.Rd6 (Re5) 4.05/14 5 52...Be3 3.32/12 4 53.Rd5 4.05/14 14 >53...Kg4 (Bc1) 3.19/13 6 54.Kxb4 4.05/13 1 54...f4 (Bc1) 3.09/13 5 55.gxf4 >4.05/16 4 55...gxf4 3.35/14 5 56.Kc4 4.05/17 3 56...Bg1 (Bc1) 4.20/14 6 57.h3+ >(b4) 4.05/15 7 57...Kxh3 (Kf3) 3.22/14 5 58.a4 (Rf5) 4.72/15 5 58...Kh4 (f3) >4.45/13 4 59.a5 6.30/16 3 59...f3 (Kg3) 4.96/15 7 60.Kd3 6.30/18 11 60...Kg4 >(Ba7) 5.35/15 5 61.a6 (b4) 6.30/16 5 61...Kf4 (Bb6) 5.63/14 5 62.Rd7 (b4) >6.30/15 5 62...Ke5 5.59/14 3 63.a7 (b4) 6.30/14 3 63...f2 (Bxa7) 5.55/14 6 >64.Ke2 6.30/11 4 64...f1B+ (f1Q+) 5.94/16 3 65.Kxf1 6.30/17 3 65...Bxa7 6.25/17 >4 66.Rxa7 15.07/19 4 66...Kd6 #35/17 8 67.b4 15.01/11 5 67...Ke6 (Kc6) #38/14 2 >68.Ra1 319.62/13 0 68...Kf7 (Kd6) #24/13 1 69.b5 319.62/7 0 69...Kf6 (Kg8) #15/7 >0 70.b6 319.70/5 0 70...Kg5 (Ke5) #11/7 0 71.b7 319.70/4 0 71...Kf4 (Kf6) #8/5 0 >72.b8Q+ 319.70/2 0 72...Ke4 (Kg4) #5/5 0 73.Qd6 (Ra5) 319.86/2 0 73...Kf5 (Kf3) >#4/5 0 74.Qd5+ 319.86/1 0 74...Kg6 (Kf4) #3/3 0 75.Ra6+ 319.90/1 0 75...Kh7 >(Kg7) #2/3 0 76.Qb7+ (Qd7+) 319.90/1 0 76...Kh8 > >[d]7k/1Q6/R7/8/8/8/8/5K2 w - - 0 77 > >White to play and win in one move. Can Rybka find the move ??? #1/2 0 >77.Rh6+????! Although Rybka still manages to win this game, the miss of Ra8# is >perplexing. Fortunately in this case a mate is still found. 319.72/1 0 77...Kg8 >#2/4 0 78.Qh7+ (Rh7) 319.72/1 0 78...Kf8 #2/4 0 79.Rf6+ (Rg6) 319.72/1 0 >79...Ke8 #2/4 0 80.Qf7+ (Rg6) 319.72/1 0 80...Kd8 #2/4 0 81.Rd6+ (Rh6) 319.72/1 >0 81...Kc8 #2/4 0 82.Qd7+ (Rg6) 319.72/1 0 82...Kb8 #2/3 0 83.Qb5+ (Rb6+) >319.72/1 0 83...Kc8 #3/4 0 84.Qc6+ (Qa6+) 319.68/1 0 84...Kb8 #2/3 0 85.Qb6+ >(Rd8+) 319.68/1 0 85...Ka8 #1/2 0 86.Qd8+ (Rd8#) 319.66/1 0 86...Ka7 #2/3 0 >87.Qc7+ (Qe7+) 319.68/1 0 87...Ka8 #1/2 0 88.Ra6# 319.68/1 0 1–0 > > >This last game shows some of the BAD in Rybka … but that’s another post.
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