Author: Dann Corbit
Date: 22:09:05 10/05/00
Go up one level in this thread
On October 05, 2000 at 22:48:40, Steffen Jakob wrote:
>Hi!
>
>Here comes a position from a game Hossa - Arasan:
>
>[D]r3r1k1/3q2p1/2p1ppQP/2P3p1/1p1P4/pPb1RN2/P4P2/1K5R w
>
>There are two moves which are winning fast: Ne5 and Nxg5 (e.g. 1.Nxg5 fxg5 2.
>Reh3 +-). Hossa missed those moves and lost the game. First I thought that this
>should be very easy to find for a comp but after having talked to some
>programmers I saw that other programs also need more time than I expected (at
>least too long for a blitz game). How long does your favourite program take to
>see either Ne5 or Nxg5 with a +- score (something like +0.5 doesnt count)?
Amy:
White(1): test epd.epd
Problem 1:
+---+---+---+---+---+---+---+---+
8 |*R*| | | |*R*| |*K*| |
+---+---+---+---+---+---+---+---+
7 | | | |*Q*| | |*P*| | Hashkey: ee4d5efb
+---+---+---+---+---+---+---+---+
6 | | |*P*| |*P*|*P*| Q | P |
+---+---+---+---+---+---+---+---+
5 | | | P | | | |*P*| | Black (29000, 22000) P.BRQ
+---+---+---+---+---+---+---+---+
4 | |*P*| | P | | | | | White (28000, 22000) PN.RQ
+---+---+---+---+---+---+---+---+
3 |*P*| P |*B*| | R | N | | |
+---+---+---+---+---+---+---+---+
2 | P | | | | | P | | | Index: 63
+---+---+---+---+---+---+---+---+
1 | | K | | | | | | R | MateThreat: 0 0
+---+---+---+---+---+---+---+---+
a b c d e f g h
TC: 40 moves in 14400 secs
TL: 315/1260
GamePhase: Middlegame
It Time Score principal Variation
10 2.7 -0.208 1. Re2 Rad8 2. Re3 Rb8 3. Re2 Ra8 4. hxg7 Qxg7 5. Qe4 e5
6. Qxc6 Bxd4
10 -20 276 629762 1. Re2 Rad8 2. Re3 Rb8 3. Re2 Ra8 4. hxg7 Qxg7
5. Qe4 e5 6. Qxc6 Bxd4
10 4.5 +++ 1. h7+
10 0 450 1038649 1. h7+!
10 4.9 -0.080 1. h7+ Kh8 2. Qxg5 fxg5 3. Ne5 g6 4. Nxd7 Bxd4 5. Re4
Bxf2 6. Rxb4
10 -8 490 1147554 1. h7+ Kh8 2. Qxg5 fxg5 3. Ne5 g6 4. Nxd7 Bxd4
5. Re4 Bxf2 6. Rxb4
10 19.5 -0.080 1. h7+ Kh8 2. Qxg5 fxg5 3. Ne5 g6 4. Nxd7 Bxd4 5. Re4
Bxf2 6. Rxb4
10 -8 1959 4655883 1. h7+ Kh8 2. Qxg5 fxg5 3. Ne5 g6 4. Nxd7 Bxd4
5. Re4 Bxf2 6. Rxb4
11 22.6 -0.160 1. h7+ Kh8 2. Qxg5 fxg5 3. Ne5 g6 4. Nxd7 Bxd4 5. Re4
Bxf2 6. Rxb4
11 -16 2263 5379620 1. h7+ Kh8 2. Qxg5 fxg5 3. Ne5 g6 4. Nxd7 Bxd4
5. Re4 Bxf2 6. Rxb4
11 58.4 +++ 1. Re5
11 0 584713998173 1. Re5!
11 1:08 -0.128 1. Re5 Bxd4 2. Rd1 Qa7 3. Nxg5 fxe5 4. h7+ Kh8 5. Nf7+
Qxf7 6. Qxf7 Bxc5 7. Rh1
11 -12 683716427454 1. Re5 Bxd4 2. Rd1 Qa7 3. Nxg5 fxe5 4. h7+ Kh8
5. Nf7+ Qxf7 6. Qxf7 Bxc5 7. Rh1
11 1:30 +++ 1. Nxg5
11 0 909121834600 1. Nxg5!
11 1:37 +2.128 1. Nxg5 fxg5 2. Reh3 Qxd4 3. hxg7 Qh4 4. Rxh4 gxh4 5.
Rxh4 Bxg7
11 212 977023479014 1. Nxg5 fxg5 2. Reh3 Qxd4 3. hxg7 Qh4 4. Rxh4
gxh4 5. Rxh4 Bxg7
11 1:42 +++ 1. Ne5
11 0 1021924512683 1. Ne5!
11 1:43 +3.200 1. Ne5 fxe5 2. Reh3 g4 3. Rh5 Kf8 4. hxg7+ Qxg7 5. Rh8+
Qxh8 6. Rxh8+ Ke7 7. Qh7+ Kf6 8. Qh6+ Ke7
11 320 1031624749951 1. Ne5 fxe5 2. Reh3 g4 3. Rh5 Kf8 4. hxg7+
Qxg7 5. Rh8+ Qxh8 6. Rxh8+ Ke7 7. Qh7+ Kf6
8. Qh6+ Ke7
11 1:58 +3.200 1. Ne5 fxe5 2. Reh3 g4 3. Rh5 Kf8 4. hxg7+ Qxg7 5. Rh8+
Qxh8 6. Rxh8+ Ke7 7. Qh7+ Kf6 8. Qh6+ Ke7
11 320 1180128057953 1. Ne5 fxe5 2. Reh3 g4 3. Rh5 Kf8 4. hxg7+
Qxg7 5. Rh8+ Qxh8 6. Rxh8+ Ke7 7. Qh7+ Kf6
8. Qh6+ Ke7
12 2:00 +++ 1. Ne5
12 0 1202228583836 1. Ne5!
12 2:01 +4.624 1. Ne5 fxe5 2. Reh3 g4 3. Rh5 Kf8 4. h7 Ke7 5. Qxg7+ Kd8
6. h8=Q Rxh8
12 462 1219929075208 1. Ne5 fxe5 2. Reh3 g4 3. Rh5 Kf8 4. h7 Ke7 5.
Qxg7+ Kd8 6. h8=Q Rxh8
12 2:09 +4.624 1. Ne5 fxe5 2. Reh3 g4 3. Rh5 Kf8 4. h7 Ke7 5. Qxg7+ Kd8
6. h8=Q Rxh8
12 462 1298930982999 1. Ne5 fxe5 2. Reh3 g4 3. Rh5 Kf8 4. h7 Ke7 5.
Qxg7+ Kd8 6. h8=Q Rxh8
13 2:15 +++ 1. Ne5
13 0 1354732338768 1. Ne5!
13 2:29 +5.904 1. Ne5 fxe5 2. Reh3 Qf7 3. h7+ Kh8 4. Qxf7 exd4 5. Qd7
Rac8 6. Rh5 Rf8 7. Rxg5
13 590 1491435640506 1. Ne5 fxe5 2. Reh3 Qf7 3. h7+ Kh8 4. Qxf7
exd4 5. Qd7 Rac8 6. Rh5 Rf8 7. Rxg5
13 2:48 +5.904 1. Ne5 fxe5 2. Reh3 Qf7 3. h7+ Kh8 4. Qxf7 exd4 5. Qd7
Rac8 6. Rh5 Rf8 7. Rxg5
13 590 1685340474623 1. Ne5 fxe5 2. Reh3 Qf7 3. h7+ Kh8 4. Qxf7
exd4 5. Qd7 Rac8 6. Rh5 Rf8 7. Rxg5
14 3:09 +5.904 1. Ne5 fxe5 2. Reh3 Qf7 3. h7+ Kh8 4. Qxf7 exd4 5. Qd7
Rac8 6. Rh5 Red8 7. Qxe6
14 590 1894445621795 1. Ne5 fxe5 2. Reh3 Qf7 3. h7+ Kh8 4. Qxf7
exd4 5. Qd7 Rac8 6. Rh5 Red8 7. Qxe6
14 4:35 +5.904 1. Ne5 fxe5 2. Reh3 Qf7 3. h7+ Kh8 4. Qxf7 exd4 5. Qd7
Rac8 6. Rh5 Red8 7. Qxe6
14 590 2756167069578 1. Ne5 fxe5 2. Reh3 Qf7 3. h7+ Kh8 4. Qxf7
exd4 5. Qd7 Rac8 6. Rh5 Red8 7. Qxe6
Nodes = 67069578, QPerc: 62 %, time = 275.64 secs, 243.3 kN/s
Extensions: Check: 7287865 DblChk: 84238 DiscChk: 126152 SingReply: 1664577
Recapture: 722104 Passed Pawn: 31157 Zugzwang: 0
Hashing: Trans: 1424972/25178549 = 5 % Pawn: 27096408/27236617 = -58 %
Eval: 14631398/41868015 = 34 %
EGTB Hits/Probes = 0/0
Hashtable 1: entries = 1048576, use = 1048570
not solved!
solved 0 out of 1 (BT2630 = 1730, LCT2 = 1900, BS2830 = 2830)
-----------------------------------------------
White(1):
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Last modified: Thu, 15 Apr 21 08:11:13 -0700
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