Author: Dann Corbit
Date: 22:50:52 10/05/00
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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)? ExChess: White-To-Move[1]: setboard r3r1k1/3q2p1/2p1ppQP/2P3p1/1p1P4/pPb1RN2/P4P2/1K5R w - - White-To-Move[1]: level 40 2400 240 White-To-Move[1]: post White-To-Move[1]: go White-To-Move[1]: Thinking ... 1. -5.51 0 5 1. Qxe8+ 1. -2.17 0 7 1. Rxc3 1. 0.09 0 81 1. hxg7 1. 0.09 0 165 1. hxg7 2. 0.12 0 558 1. hxg7 Qxg7 2. 0.12 0 853 1. hxg7 Qxg7 3. 0.12 0 1575 1. hxg7 Qxg7 2. Rh6 3. 0.12 0 2364 1. hxg7 Qxg7 2. Rh6 4. -- 4. -0.08 0 6184 1. h7+ Kh8 2. Rd3 Rad8 4. -0.08 0 6800 1. h7+ Kh8 2. Rd3 Rad8 5. -0.08 0 9214 1. h7+ Kh8 2. Rd3 Rad8 3. Rdd1 5. 0.02 0 35822 1. Rd3 Rad8 2. hxg7 Qxg7 3. Rh6 5. 0.02 0 42347 1. Rd3 Rad8 2. hxg7 Qxg7 3. Rh6 6. -0.08 0 65132 1. Rd3 Rad8 2. h7+ Kh8 3. Rdd1 Qe7 6. -0.08 0 109395 1. Rd3 Rad8 2. h7+ Kh8 3. Rdd1 Qe7 7. 0.00 1 365309 1. Rd3 Rf8 2. hxg7 Qxg7 3. Qe4 Qd7 4. Qg6+ 7. 0.02 2 640125 1. Re4 Rad8 2. Rg4 Qe7 3. hxg7 Qxg7 4. Rh6 7. 0.02 2 669658 1. Re4 Rad8 2. Rg4 Qe7 3. hxg7 Qxg7 4. Rh6 8. -0.16 3 965806 1. Re4 Rad8 2. Rh2 e5 3. hxg7 Qxg7 4. Qxg7+ Kxg7 8. -0.13 6 1935010 1. Rh5 Qc7 2. h7+ Kh8 3. Re4 Rad8 4. Rh3 Qd7 8. -0.13 7 2184692 1. Rh5 Qc7 2. h7+ Kh8 3. Re4 Rad8 4. Rh3 Qd7 9. -0.13 8 2540423 1. Rh5 Qc7 2. h7+ Kh8 3. Re4 Rad8 4. Rh3 Qd7 5. Rg4 9. -0.13 14 4653365 1. Rh5 Qc7 2. h7+ Kh8 3. Re4 Rad8 4. Rh3 Qd7 5. Rg4 10. 0.10 31 9872099 1. Rh5 e5 2. hxg7 Qxg7 3. Qxg7+ Kxg7 4. dxe5 Kg6 5. Rh1 Bxe5 10. 0.10 38 12324863 1. Rh5 e5 2. hxg7 Qxg7 3. Qxg7+ Kxg7 4. dxe5 Kg6 5. Rh1 Bxe5 11. 0.10 52 16277298 1. Rh5 e5 2. hxg7 Qxg7 3. Qxg7+ Kxg7 4. dxe5 Kg6 5. Rh1 Bxe5 6. Rhe1 11. ++ 117 37443515 1. Re5 11. 0.40 135 43075466 1. Re5 Bxd4 2. Rd1 Qa7 3. Rxe6 Rxe6 4. Nxg5 fxg5 5. Qxe6+ Kh8 6. hxg7+ 11. 0.40 167 53269706 1. Re5 Bxd4 2. Rd1 Qa7 3. Rxe6 Rxe6 4. Nxg5 fxg5 5. Qxe6+ Kh8 6. hxg7+ 12. 0.61 221 70352560 1. Re5 Bxd4 2. Rd1 fxe5 3. h7+ Kh8 4. Nxe5 Qe7 5. Nf7+ Qxf7 6. Qxf7 e5
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