Author: Gian-Carlo Pascutto
Date: 05:36:35 09/22/01
Go up one level in this thread
On September 22, 2001 at 08:21:28, Michel Langeveld wrote: [D] rnb2rk1/pp2bppp/2p5/q7/4NN2/4B1QP/PPP3P1/2KR3R w - - > 7>solution 1. Rd5 > time surplus 0.00 time limit 60:00 (60:00) > nss depth time score variation (1) > (2) 6 0.13 -0.87 1. Bd4 f6 2. Kb1 Qb5 3. Rhe1 Rd8 > 6 0.32 -0.72 1. Kb1 Rd8 2. Bd4 Bf8 3. Bf6 Rd7 > 6-> 0.41 -0.72 1. Kb1 Rd8 2. Bd4 Bf8 3. Bf6 Rd7 > 7 1.35 -0.61 1. Kb1 f6 2. Nd6 Bxd6 3. Rxd6 Re8 4. > Re1 Bf5 > 7 2.13 ++ 1. Nd5!! > (4) 7-> 2.13 -0.22 1. Nd5 > 8 2.43 ++ 1. Nd5!! > (3) 8 3.38 1.15 1. Nd5 Bg5 2. Bxg5 cxd5 3. Nf6+ Kh8 > 4. Qd3 g6 5. Qxd5 Qxd5 6. Rxd5 > 8-> 3.91 1.15 1. Nd5 Bg5 2. Bxg5 cxd5 3. Nf6+ Kh8 > 4. Qd3 g6 5. Qxd5 Qxd5 6. Rxd5 > 9 4.80 ++ 1. Nd5!! > 9 6.16 1.75 1. Nd5 cxd5 2. Bh6 Bg4 3. Qxg4 g6 4. > Bxf8 f5 5. Qf4 Bxf8 6. Nf6+ Kh8 > 9-> 7.83 1.75 1. Nd5 cxd5 2. Bh6 Bg4 3. Qxg4 g6 4. > Bxf8 f5 5. Qf4 Bxf8 6. Nf6+ Kh8 > 10 11.65 2.06 1. Nd5 cxd5 2. Bh6 Bg4 3. Qxg4 g6 4. > Bxf8 Bxf8 5. Nc3 Bh6+ 6. Kb1 f5 7. > Rxd5 fxg4 8. Rxa5 gxh3 9. Rxh3 > 10-> 15.82 2.06 1. Nd5 cxd5 2. Bh6 Bg4 3. Qxg4 g6 4. > Bxf8 Bxf8 5. Nc3 Bh6+ 6. Kb1 f5 7. > Rxd5 fxg4 8. Rxa5 gxh3 9. Rxh3 > 11 25.24 2.45 1. Nd5 cxd5 2. Bh6 Bg4 3. Qxg4 g6 4. > Bxf8 Bxf8 5. Nc3 Bh6+ 6. Kb1 Nc6 7. > Nxd5 Rd8 > (2) 11-> 44.79 2.45 1. Nd5 cxd5 2. Bh6 Bg4 3. Qxg4 g6 4. > Bxf8 Bxf8 5. Nc3 Bh6+ 6. Kb1 Nc6 7. > Nxd5 Rd8 > 12 57.38 2.40 1. Nd5 cxd5 2. Bh6 Bg4 3. Qxg4 g6 4. > Bxf8 Bxf8 5. Nc3 Nc6 6. Rxd5 Qb6 7. > Rhd1 Re8 > (4) 12-> 2:05 2.40 1. Nd5 cxd5 2. Bh6 Bg4 3. Qxg4 g6 4. > Bxf8 Bxf8 5. Nc3 Nc6 6. Rxd5 Qb6 7. > Rhd1 Re8 > (3) 13 2:55 2.59 1. Nd5 cxd5 2. Bh6 Bg4 3. Qxg4 g6 4. > Bxf8 f5 5. Qf4 Bxf8 6. Nc3 Bg7 7. Rxd5 > Qb6 8. Rd6 > (2) 13-> 5:05 2.59 1. Nd5 cxd5 2. Bh6 Bg4 3. Qxg4 g6 4. > Bxf8 f5 5. Qf4 Bxf8 6. Nc3 Bg7 7. Rxd5 > Qb6 8. Rd6 > 14 7:23 2.41 1. Nd5 cxd5 2. Bh6 Bg4 3. Qxg4 g6 4. > Bxf8 Bxf8 5. Nf6+ Kg7 6. Ne8+ Kg8 7. > Qc8 Qa6 8. Rxd5 h6 9. Kb1 Bb4 > (4) 14-> 24:22 2.41 1. Nd5 cxd5 2. Bh6 Bg4 3. Qxg4 g6 4. > Bxf8 Bxf8 5. Nf6+ Kg7 6. Ne8+ Kg8 7. > Qc8 Qa6 8. Rxd5 h6 9. Kb1 Bb4 > (3) 15 33:40 2.69 1. Nd5 cxd5 2. Bh6 Bg4 3. Qxg4 g6 4. > Bxf8 f5 5. Qg3 dxe4 6. Bxe7 Qxa2 7. > Bf6 Qa1+ 8. Kd2 Qa6 9. Qb3+ Kf8 10. > Qa3+ Qxa3 11. bxa3 > time=60:01 cpu=199% mat=-1 n=3726978930 fh=14% nps=1034938 > ext-> checks=265842486 recaps=6377716 pawns=52326 1rep=22590499 >thrt:1850529 > predicted=0 nodes=3726978930 evals=515108319 > endgame tablebase-> probes done=0 successful=0 > hashing-> trans/ref=1% pawn=0% used=99% > SMP-> split=1902 stop=343 data=9/64 cpu=119:56 elap=60:01 > >Comment: Another solution found? Score is 2.69. Nd5 is the correct move. Rd5 fails to Qc7 Craftys move was correct. >====================================================================== >! ECM.1612 ! >====================================================================== > >[D]r1b2r1k/ppppq1pp/2n1n3/6N1/2B2P2/4B3/PPP3PP/R2Q1RK1 w - - > >solution 1. Nxh7 > time surplus 0.00 time limit 60:00 (60:00) > nss depth time score variation (1) > 6-> 0.14 0.69 1. Nxe6 dxe6 2. Qh5 Rf5 3. Qg4 Qf6 > 4. Rab1 > 7 0.33 0.60 1. Nxe6 dxe6 2. Qe2 Qf6 3. c3 Bd7 4. > Bc5 Rfd8 > 7 0.62 0.74 1. Bxe6 dxe6 2. Qd3 g6 3. Ne4 Nb4 4. > Qc3+ Kg8 5. Rfd1 > (4) 7-> 0.81 0.74 1. Bxe6 dxe6 2. Qd3 g6 3. Ne4 Nb4 4. > Qc3+ Kg8 5. Rfd1 > (3) 8 1.15 0.94 1. Bxe6 dxe6 2. Qd3 g6 3. Qc4 Qf6 4. > Bc5 Rd8 5. Rae1 > 8-> 1.45 0.94 1. Bxe6 dxe6 2. Qd3 g6 3. Qc4 Qf6 4. > Bc5 Rd8 5. Rae1 > 9 2.19 0.76 1. Bxe6 dxe6 2. Qd3 g6 3. Rf3 e5 4. > Qc3 Rf5 5. Bc5 Qf6 > (4) 9-> 6.01 0.76 1. Bxe6 dxe6 2. Qd3 g6 3. Rf3 e5 4. > Qc3 Rf5 5. Bc5 Qf6 > (3) 10 8.23 0.79 1. Bxe6 dxe6 2. Qd3 g6 3. Rad1 e5 4. > Qc3 Bg4 5. Bc5 Qf6 6. Ne4 > (2) 10-> 13.44 0.79 1. Bxe6 dxe6 2. Qd3 g6 3. Rad1 e5 4. > Qc3 Bg4 5. Bc5 Qf6 6. Ne4 > 11 20.48 0.75 1. Bxe6 dxe6 2. Qd3 g6 3. Qc4 Qf6 4. > b4 a6 5. Bc5 Rd8 6. Rad1 Kg8 7. Rxd8+ > Nxd8 > (4) 11-> 46.48 0.75 1. Bxe6 dxe6 2. Qd3 g6 3. Qc4 Qf6 4. > b4 a6 5. Bc5 Rd8 6. Rad1 Kg8 7. Rxd8+ > Nxd8 > (3) 12 1:20 0.72 1. Bxe6 dxe6 2. Qd3 g6 3. Rad1 Rf5 > 4. b3 Kg8 5. Rfe1 h6 6. Ne4 Nb4 7. > Qd8+ Qxd8 8. Rxd8+ > 12 5:49 1.01 1. Qh5 g6 2. Qh6 Rf5 3. Rae1 Qg7 4. > Qxg7+ Kxg7 5. Nxe6+ dxe6 6. Rd1 Rf6 > 7. c3 e5 8. Bd5 exf4 9. Bxf4 > 12-> 5:56 1.01 1. Qh5 g6 2. Qh6 Rf5 3. Rae1 Qg7 4. > Qxg7+ Kxg7 5. Nxe6+ dxe6 6. Rd1 Rf6 > 7. c3 e5 8. Bd5 exf4 9. Bxf4 > 13 8:06 1.02 1. Qh5 g6 2. Qh6 Rf5 3. Rfe1 d5 4. > Bd3 Rf6 5. c3 Bd7 6. Re2 Qg7 7. Qh4 > Kg8 > 13-> 8:51 1.02 1. Qh5 g6 2. Qh6 Rf5 3. Rfe1 d5 4. > Bd3 Rf6 5. c3 Bd7 6. Re2 Qg7 7. Qh4 > Kg8 > 14 27:00 1.09 1. Qh5 g6 2. Qh6 Qg7 3. Qxg7+ Kxg7 > 4. Rae1 Rb8 5. Bd2 Ned4 6. c3 Nf5 7. > Rf2 Nd6 8. Bd5 h6 9. Nf3 > 14-> 29:49 1.09 1. Qh5 g6 2. Qh6 Qg7 3. Qxg7+ Kxg7 > 4. Rae1 Rb8 5. Bd2 Ned4 6. c3 Nf5 7. > Rf2 Nd6 8. Bd5 h6 9. Nf3 > time=60:01 cpu=199% mat=0 n=3600547739 fh=2% nps=999780 > ext-> checks=119269756 recaps=13986235 pawns=1942763 1rep=13318292 >thrt:2020217 > predicted=0 nodes=3600547739 evals=841509975 > endgame tablebase-> probes done=0 successful=0 > hashing-> trans/ref=0% pawn=0% used=99% > SMP-> split=1133 stop=220 data=8/64 cpu=119:59 elap=60:01 >----------------------> solution incorrect (172/177). Nxh7 does seem to be the correct move, but the difference with Qh5 is minimal. -- GCP
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