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Subject: Horizon Effect: Worse for Humans?

Author: Bob Durrett

Date: 05:52:07 10/22/02

Go up one level in this thread

On October 22, 2002 at 00:34:02, K. Burcham wrote:

>
>I think most would agree that Kramnik's 19.Nxf7 did not work out like Kramnik
>had hoped. He saw that the black king was forced out in the opening, but Kramnik
>could not see far enough to know that he could not win with the Knight
>sacrifice.


So Kramnik had his own horizon effect, and Fritz saw more!

Bob D.



>I found this analysis by Deep Fritz7 interesting. You can see that
>Deep Fritz did not think this was a good move at all. After 22 hours on 3000
>mhz, Deep Fritz shows 13 moves better.
>
>kburcham
>
>Deep Fritz 7: 2x1533 mhz amd  432 hash
>
>After One Minute
>31. -+ (-2.22)  31st best move
>
>After Five hours
>21. -+ (-1.75)  21st best move
>
>After 22 hours
>14. -+ (-1.44)  14th best move
>
>
> [D] 2rqr1k1/p2n1ppp/bp1N1b2/8/PBpp4/1P4P1/5PBP/R2Q1RK1 w - - 0 1
>
>Deep Fritz 7:  After 1 Minute
>
>1. = (0.03): 19.Bd5 Ne5 20.Re1 Be7 21.Rxe5 Bxd6 22.Rxe8+ Qxe8
>2. = (-0.06): 19.Nxe8 Qxe8 20.Re1 Qd8 21.bxc4 Bxc4 22.a5 Ne5 23.Be4 Bd5 24.axb6
>axb6 25.Ra7 Bxe4
>3. = (-0.25): 19.bxc4 Be7 20.Nxc8 Bxb4 21.Nxa7 Bc3 22.Nc6 Qf6 23.Ra3 Nc5 24.a5
>Bxc4
>4. ³ (-0.28): 19.Nxc8 Qxc8 20.bxc4 Bxc4 21.Rc1 Ne5 22.Re1 Rd8 23.Be7 Bxe7
>24.Rxe5 Bf6 25.Re4
>5. ³ (-0.59): 19.Qh5 c3 20.Qxf7+ Kh8 21.Nxc8 Bxc8 22.Rfd1 a5 23.Bd6 Nc5 24.Bxc5
>Be6 25.Bxb6 Bxf7
>6. µ (-0.97): 19.Bb7 Bxb7 20.Nxb7 Qc7 21.Nd6 a5 22.Ba3 c3 23.Nxc8 Qxc8 24.Qd3
>Qc6
>7. µ (-1.25): 19.a5 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.axb6 Qxb6 23.Bh3 Bb5 24.Re4
>Qb7 25.Rxd4 Bxd4
>8. µ (-1.31): 19.Rc1 c3 20.Bd5 Ne5 21.f4 Nd3 22.Bxf7+ Kf8 23.Bxe8
>9. µ (-1.37): 19.Bh3 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Bf5 g6 23.Be4 Ne5 24.f4 Nd7
>10. µ (-1.37): 19.f4 d3 20.bxc4 Bd4+ 21.Kh1 Bxa1 22.Nxe8 Qxe8 23.Qxa1
>11. -+ (-1.44): 19.h3 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Rc1 Ne5 23.Be4 Nc6 24.Ba3
>Ne5
>12. -+ (-1.44): 19.Ra2 cxb3 20.Qxb3 Bxf1 21.Qxf7+ Kh8 22.Bxf1 Re7 23.Qb3 Qg8
>24.Bc4
>13. -+ (-1.47): 19.Bh1 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Be4 Ne5 23.f4
>14. -+ (-1.47): 19.Bf3 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Be4 Ne5 23.f4
>15. -+ (-1.50): 19.f3 Be7 20.Nxc8 Bxb4 21.Nxa7 Bc3 22.Rb1 cxb3 23.Nc6 Qf6
>16. -+ (-1.53): 19.Ba3 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.b4 Bc4 23.Bb7 Rb8 24.Be4
>17. -+ (-1.59): 19.g4 Be7 20.Nxc8 Bxb4 21.Nxa7 Bc3 22.Rb1 cxb3 23.Nc6 Qh4
>18. -+ (-1.59): 19.Nxc4 Bxc4 20.bxc4 Ne5 21.Re1 Nxc4 22.Rxe8+ Qxe8 23.Rc1 Bg5
>24.Rb1 Qe5
>19. -+ (-1.66): 19.Bd2 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Bf4 d3 23.h3
>20. -+ (-1.69): 19.Kh1 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.h3 d3 23.Bd6 Bd4 24.Kg1
>21. -+ (-1.72): 19.h4 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Rc1 Ne5 23.Bh3 Rb8 24.Bg2
>22. -+ (-1.75): 19.Qb1 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Qf5 Nc5 23.Rad1 Nxb3 24.h3
>23. -+ (-1.75): 19.Re1 Rxe1+ 20.Qxe1 c3 21.Nxc8 Qxc8 22.Qe4 d3 23.Rd1 Ne5 24.h3
>Qc7
>24. -+ (-1.78): 19.Rb1 c3 20.Nxe8 Qxe8 21.Re1 Ne5 22.Be4 Qd7 23.f4
>25. -+ (-1.87): 19.Qf3 c3 20.Qd5 Re6 21.Nxc8 Bxf1 22.Bxf1 Qxc8 23.Ba6 Qc6 24.Qf5
>26. -+ (-2.06): 19.Qc2 d3 20.Qd1 Bxa1 21.Qxa1 Qg5 22.Nxc8 Rxc8 23.Qd4 Nf6 24.f4
>27. -+ (-2.09): 19.Qg4 Ne5 20.Qd1 Nd3 21.Nxc8 Qxc8 22.Bd6 c3 23.b4 Nb2 24.Qc2
>Bxf1
>28. -+ (-2.12): 19.Nb7 Bxb7 20.Bxb7 Rc7 21.Bg2 d3 22.Rc1 cxb3 23.Rxc7 Qxc7
>24.Qxd3 a5
>29. -+ (-2.16): 19.Be4 Rxe4 20.Nxe4 c3 21.Re1 Nc5 22.Bxc5 bxc5 23.Rc1 Qb6 24.Rc2
>30. -+ (-2.19): 19.Ra3 Be7 20.bxc4 Bxd6 21.Bxd6 Qf6 22.Bf4 Bxc4 23.Re1 Nc5
>24.Rxe8+ Rxe8 25.a5 Re2
>31. -+ (-2.22): 19.Nxf7 Kxf7 20.Bd5+ Kg6 21.Qg4+ Bg5 22.Be4+ Rxe4 23.Qxe4+ Kh6
>24.h4 c3 25.hxg5+ Qxg5 26.Be7 Nf6
>32. -+ (-2.31): 19.Qc1 cxb3 20.Qb2 Bxf1 21.Rxf1 a5 22.Nxc8 Qxc8 23.Rc1 Qa6
>33. -+ (-2.62): 19.Nb5 c3 20.Bh3 c2 21.Qd2 d3 22.Rac1 Bb2 23.Qxd3 Bxc1 24.Rxc1
>
>
>After Five hours
>
>1. ² (0.59): 19.Bd5 Nc5 20.Bxf7+ Kf8 21.Bxe8 Qxd6 22.Bb5 Bxb5 23.axb5 Qd5
>24.bxc4 Qxc4 25.Qb1 Kg8 26.Rxa7
>2. = (0.00): 19.bxc4 Rxc4 20.Nxf7 Kxf7 21.Bd5+ Kg6 22.Bxc4 Bxc4 23.Qc2+ d3
>24.Qxc4 Ne5 25.Qe4+ Kf7 26.Rad1
>3. = (-0.06): 19.Nxe8 Qxe8 20.Re1 Qd8 21.bxc4 Ne5 22.Rc1 Rxc4 23.Rxc4 Bxc4
>24.Qc2 d3
>4. = (-0.22): 19.Nxc8 Qxc8 20.bxc4 Bb7 21.Bxb7 Qxb7 22.Qb3 h6 23.a5 d3 24.Qxd3
>5. ³ (-0.28): 19.Qh5 Re7 20.Nxc8 Re5 21.Qf3
>6. ³ (-0.66): 19.Rc1 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Be4 Nb8 23.Bf5 Nc6 24.Bxc8
>7. µ (-1.12): 19.Ba3 c3 20.Bd5 Nc5 21.Bxf7+ Kf8 22.Bxe8 Qxd6 23.Bb5 Bxb5 24.axb5
>d3 25.Rc1 Qd4
>8. µ (-1.16): 19.a5 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Be4 g6 23.h3 h6 24.Bd6
>9. µ (-1.31): 19.h3 c3 20.Bd5 Rf8 21.Nxc8 Nc5 22.Bc4 Qxc8 23.Bxc5 bxc5 24.Qd3
>Bxc4
>10. -+ (-1.41): 19.Rb1 c3 20.Nxe8 Qxe8 21.Re1 Ne5 22.Rc1 Qd7 23.Rxe5
>11. -+ (-1.41): 19.h4 Be7 20.Nxc8 Bxb4 21.Nxa7 Bc3 22.Rb1 cxb3 23.Nb5 Nc5 24.Bc6
>Re6
>12. -+ (-1.44): 19.Bf3 Be7 20.Nxc8 Bxb4 21.Nxa7 Bc3 22.Rb1 cxb3 23.Nb5 Nc5
>24.Bc6 Re6
>13. -+ (-1.44): 19.Bh1 Be7 20.Nxc8 Bxb4 21.Nxa7 Bc3 22.Rb1 cxb3 23.Nb5 Nc5
>24.Qg4
>14. -+ (-1.44): 19.Ra2 cxb3 20.Qxb3 Bxf1 21.Nxf7 Bc4 22.Bd5 Re1+ 23.Kg2 Bf1+
>24.Kf3 Qf8 25.Bxf8
>15. -+ (-1.50): 19.f4 Be7 20.Nxc8 Bxb4 21.Nxa7 Bc3 22.Rc1 cxb3 23.Nb5 Nc5 24.Bc6
>Rf8
>16. -+ (-1.50): 19.Bh3 c3 20.Qh5 Ne5 21.Bxc8 Bxc8 22.Rae1 Re6 23.f4 g6 24.Qd1
>Nc6
>17. -+ (-1.56): 19.Bb7 Bxb7 20.Nxb7 Qc7 21.Nd6 c3 22.Ra2 c2 23.Rxc2 Qxc2 24.Nxe8
>a5
>18. -+ (-1.59): 19.Kh1 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Be4 Ne5 23.Rc1 Ng6 24.Bf5
>19. -+ (-1.59): 19.Nxc4 Bxc4 20.bxc4 Rxc4 21.Qb3 Ne5 22.Rae1 Rc8 23.Bh3 Rc7
>24.a5 d3
>20. -+ (-1.72): 19.g4 Be7 20.Nxc8 Bxb4 21.Nxa7 Bc3 22.Nc6 Qf6 23.bxc4 Bxc4
>24.Qf3 Bxf1
>21. -+ (-1.75): 19.Nxf7 Kxf7 20.Bd5+ Kg6 21.Qg4+ Bg5 22.Be4+ Rxe4 23.Qxe4+ Kh6
>24.h4 Bf6 25.Bd2+ g5 26.hxg5+
>22. -+ (-1.78): 19.Re1 Rxe1+ 20.Qxe1 c3 21.Nxc8 Qxc8 22.Rd1 Nc5 23.Bxc5 bxc5
>24.Bf1 Bxf1 25.Kxf1 Qh3+
>23. -+ (-1.81): 19.Qb1 c3 20.Nxf7 Kxf7 21.Bd5+ Re6 22.Qf5 Nc5 23.Rfe1 g6
>24.Bxe6+ Kg7 25.Qb1
>24. -+ (-1.94): 19.Bd2 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Bf4 d3 23.Rc1 d2 24.Bxd2
>25. -+ (-2.00): 19.Qc2 d3 20.Qd1 Bxa1 21.Qxa1 cxb3 22.Nxe8 Qxe8 23.Re1 Qd8
>24.Qb2
>26. -+ (-2.16): 19.Qf3 c3 20.Nxe8 Qxe8 21.Rfe1 Ne5 22.Qh5 g6 23.Qd1 Qd7 24.Re4
>27. -+ (-2.16): 19.Qg4 Ne5 20.Qh5 c3 21.Nxe8 Qxe8 22.Rfe1 g6 23.Qd1 Qd7 24.Re4
>28. -+ (-2.19): 19.f3 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Bh3 d3 23.Kg2 Bg5 24.f4
>29. -+ (-2.19): 19.Qc1 cxb3 20.Qa3 Bxf1 21.Bxf1 d3 22.Qxb3 Re6 23.Rd1 Rc7 24.Bh3
>30. -+ (-2.34): 19.Be4 Rxe4 20.Nxe4 c3 21.Re1 Ne5 22.Qh5 Nd3 23.Nd6 g6 24.Qf3
>31. -+ (-2.41): 19.Nb7 Bxb7 20.Bxb7 Rc7 21.Bg2 c3 22.Bd6 c2 23.Qd2 d3 24.Rac1
>Rc3 25.Rfe1
>32. -+ (-2.50): 19.Qd2 c3 20.Qf4 Bxf1 21.Bxf1 Ne5 22.Ba6 Ra8 23.Nxe8 Qxe8 24.Bd6
>33. -+ (-2.59): 19.Ra3 Be7 20.bxc4 Bxc4 21.Nxe8 Bxb4 22.Qxd4 Qxe8 23.Re3 Be7
>24.Rfe1
>34. -+ (-2.97): 19.Nb5 c3 20.Nxa7 c2 21.Qc1 Bxf1 22.Qxf1 d3 23.Rc1 Ne5 24.Nxc8
>35. -+ (-3.19): 19.Ne4 c3 20.Nd6 Be2 21.Qc1 Ne5 22.Be4 Be7 23.Nxc8 Bxb4 24.Nxa7
>36. -+ (-3.34): 19.Ba5 bxa5 20.Nxe8 Qxe8 21.Re1 Qf8 22.bxc4 Bxc4 23.Rc1 Nb6
>24.h3 d3 25.Be4
>37. -+ (-3.37): 19.Nf5 Nc5 20.bxc4 Bxc4 21.Re1 Rxe1+ 22.Bxe1 d3 23.Rc1 Bb3
>24.Qd2 a5 25.Qf4
>38. -+ (-3.75): 19.Bc3 dxc3 20.Nxe8 Qxe8 21.b4 c2 22.Qxc2 Bxa1 23.Rxa1 Qe5
>24.Rd1
>39. -+ (-3.75): 19.Be1 c3 20.Ra2 Bxf1 21.Kxf1 Nc5 22.Nxe8 Qxe8 23.b4 Qe6
>40. -+ (-4.47): 19.Bc6 Rxc6 20.Nxe8 Qxe8 21.Re1 Re6 22.Rxe6 Qxe6 23.Qf3 Ne5
>24.Qa8+ Bc8 25.bxc4
>41. -+ (-4.56): 19.Bc5 Nxc5 20.Nxe8 Qxe8 21.bxc4 d3 22.Re1 Qd7 23.Rb1 Qxa4
>42. -+ (-4.84): 19.Ba8 Rxa8 20.Nxe8 Qxe8 21.bxc4 Ne5 22.f4 Nxc4 23.Qf3 Qe3+
>24.Qxe3
>43. -+ (-6.16): 19.Qe1 Rxe1 20.Rfxe1 c3 21.a5 d3 22.Nxc8 Bxc8 23.Be4 d2 24.Reb1
>44. -+ (-9.37): 19.Qd3 cxd3 20.Nxe8 Qxe8 21.Rae1 Qd8 22.Rb1 Ne5 23.f4 Ng4 24.Bh3
>45. -+ (-10.94): 19.Qe2 Rxe2 20.bxc4 Ne5 21.Rfd1 Rb8 22.Bf1 Rb2 23.Ba3 Rc2
>24.Nb5
>46. -+ (-11.03): 19.Qxd4 Bxd4 20.Nxc8 cxb3 21.Ne7+ Rxe7 22.Bxe7 Qxe7 23.Rad1
>Bxf1 24.Bxf1
>
>
>After 22 hours
>
>1. ² (0.56): 19.Bd5 Nc5 20.Bxf7+ Kf8 21.Bxe8 Qxd6 22.Bb5 Bxb5 23.axb5 Qd5
>24.bxc4 Qxc4 25.Qa4 Kg8
>2. = (0.13): 19.bxc4 Rxc4 20.Nxf7 Kxf7 21.Bd5+ Kg6 22.Bxc4 Bxc4 23.Qc2+ d3
>24.Qxc4 Bxa1 25.Qxd3+ Kh6 26.Rd1 Bf6
>3. = (-0.06): 19.Nxe8 Qxe8 20.Re1 Qd8 21.bxc4 Ne5 22.Rc1 Bxc4 23.Be4
>4. = (-0.19): 19.Nxc8 Qxc8 20.bxc4 Bb7 21.Bd5 Bxd5 22.cxd5 Qc4 23.Re1 Ra8 24.Be7
>Qxd5 25.Bxf6
>5. ³ (-0.31): 19.Qh5 Ne5 20.Rfe1 Re6 21.Nxc8 Bxc8 22.bxc4 Nd3 23.Rxe6 Bxe6
>24.Bd2 Ne5 25.h3
>6. µ (-0.78): 19.Rc1 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Be4 h6 23.f4 Nc5 24.Bxc5 bxc5
>7. µ (-0.87): 19.a5 c3 20.Bd5 Ne5 21.f4 Nd3 22.Bxf7+ Kf8 23.Bxe8 Nxb4 24.Qh5 Rc7
>8. µ (-1.12): 19.Ba3 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Be4 Ne5 23.f4 Ng6 24.Bd3 c2
>9. µ (-1.31): 19.Bh1 Be7 20.Nxc8 Bxb4 21.Nxa7 Bc3 22.Nc6 Qf6 23.Rb1 cxb3 24.Qxb3
>10. µ (-1.34): 19.h3 c3 20.Bd5 Rf8 21.Nxc8 Nc5 22.Bc4 Bxc8 23.Bxc5 bxc5 24.Re1
>Qd7
>11. µ (-1.37): 19.h4 c3 20.Bd5 Rf8 21.Nxc8 Nc5 22.Bxc5 bxc5 23.Bc4 Qxc8 24.Qc2
>Bb7
>12. µ (-1.37): 19.f4 Be7 20.Nxc8 Bxb4 21.Nxa7 Bc3 22.bxc4 Bxc4 23.Rf2 Bxa1
>24.Qxa1 Qf6
>13. -+ (-1.44): 19.Rb1 c3 20.Nxe8 c2 21.Nxf6+ Qxf6 22.Qd2 cxb1R 23.Rxb1 Ne5
>24.Re1 Nf3+ 25.Bxf3 Qxf3 26.Qd1
>14. -+ (-1.44): 19.Nxf7 Kxf7 20.Bd5+ Kg6 21.Qg4+ Bg5 22.h4 Nc5 23.bxc4 h5 24.Qd1
>Be7 25.a5
>15. -+ (-1.62): 19.Qb1 c3 20.Nxf7 Kxf7 21.Bd5+ Re6 22.Qf5 Nc5 23.Rfe1 g6
>24.Bxe6+ Kg7 25.Qg4
>16. -+ (-1.69): 19.Ra2 Be7 20.Nxc8 Qxc8 21.Bxe7 cxb3 22.Qxb3 Bxf1 23.Bxf1 Rxe7
>24.Rd2 Re4
>17. -+ (-1.56): 19.Bh3 c3 20.Qh5 Ne5 21.Bxc8 Bxc8 22.Rfe1 Re6 23.f4 g6 24.Qd1
>18. -+ (-1.56): 19.Bb7 Bxb7 20.Nxb7 Qc7 21.Nd6 c3 22.Ra2 c2 23.Rxc2 Qxc2 24.Nxe8
>d3
>19. -+ (-1.59): 19.Bf3 Be7 20.Nxc8 Bxb4 21.Nxa7 Ne5 22.bxc4 Bxc4 23.Nb5 Bxf1
>24.Kxf1 Qf6
>20. -+ (-1.59): 19.Kh1 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Be4 Ne5 23.Rc1 Qd7
>21. -+ (-1.66): 19.Nxc4 Bxc4 20.bxc4 Rxc4 21.Qb3 Ne5 22.Rae1 Rc8 23.Bh3 Rc7
>24.a5 b5
>22. -+ (-1.81): 19.g4 Be7 20.Nxc8 Bxb4 21.Nxa7 Bc3 22.Rc1 cxb3 23.Nb5 Nc5 24.Bc6
>23. -+ (-1.81): 19.Re1 Rxe1+ 20.Qxe1 c3 21.Nxc8 Qxc8 22.Rd1 Nf8 23.Bf1 c2
>24.Bxa6 cxd1Q
>24. -+ (-1.87): 19.Qc2 d3 20.Qd1 Re2 21.bxc4 Bxa1 22.Qxd3 Ra2 23.Nxf7 Kxf7
>24.Bd5+ Ke8
>25. -+ (-1.97): 19.Qf3 c3 20.Nxe8 Qxe8 21.Rfe1 Ne5 22.Qe4 Qe6 23.Qxd4 Nd3
>24.Qxd3
>26. -+ (-2.19): 19.Qg4 Ne5 20.Qh5 c3 21.Rfe1 Re6 22.f4 g6 23.Qd1 Nf3+ 24.Bxf3
>27. -+ (-2.22): 19.Bd2 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Bf4 d3 23.Rc1 c2
>28. -+ (-2.22): 19.Ra3 Be7 20.bxc4 Bxc4 21.Re1 Bxd6 22.Rxe8+ Qxe8 23.Bxd6 Qe2
>24.Qxe2 Bxe2 25.Bf4
>29. -+ (-2.28): 19.Nb7 Bxb7 20.Bxb7 Rc7 21.Ba6 c3 22.Rc1 Ne5 23.Bb5 Re6 24.f4
>30. -+ (-2.34): 19.f3 c3 20.Nxe8 Qxe8 21.Re1 Qd8 22.Bf1 Bxf1 23.Kxf1 Ne5 24.Rc1
>a5
>31. -+ (-2.37): 19.Qc1 cxb3 20.Qa3 Bxf1 21.Bxf1 d3 22.Qxb3 Re6 23.Rd1 Rc6
>24.Rxd3
>32. -+ (-2.62): 19.Be4 Rxe4 20.Nxe4 c3 21.Rc1 Ne5 22.Bxc3 dxc3 23.Qxd8+ Rxd8
>24.Nxf6+ gxf6 25.Rxc3
>33. -+ (-2.75): 19.Qd2 c3 20.Qf4 Bxf1 21.Bxf1 Ne5 22.Ba6 Rc6 23.Nxe8 Qxe8 24.Bb5
>a6
>34. -+ (-3.00): 19.Nb5 c3 20.Rc1 Nc5 21.Bh3 Rb8 22.Bg2 Qc8 23.Nd6 Qd7 24.Nxe8
>35. -+ (-3.28): 19.Ba5 bxa5 20.Nxe8 Qxe8 21.Re1 Qd8 22.bxc4 d3 23.Rb1 Bxc4
>24.Bb7
>36. -+ (-3.53): 19.Ne4 c3 20.Nd6 Be2 21.Qc1 Ne5 22.Be4 Bd3 23.Bb7 Rc7 24.Nxe8
>37. -+ (-3.53): 19.Nf5 c3 20.Nd6 Be2 21.Qc1 Ne5 22.Be4 Bd3 23.Bb7 Rc7 24.Nxe8
>38. -+ (-3.87): 19.Bc3 dxc3 20.Nxe8 Qxe8 21.b4 c2 22.Qxc2 Bxa1 23.Rxa1 b5
>24.axb5
>39. -+ (-3.97): 19.Be1 c3 20.Ra2 Nc5 21.Nxe8 Qxe8 22.b4 Qe6 23.Qa1 Bc4 24.bxc5
>40. -+ (-4.41): 19.Bc6 Rxc6 20.Nxe8 Qxe8 21.Re1 Re6 22.Rxe6 Qxe6 23.Qf3 Ne5
>24.Qa8+ Qc8 25.Qxc8+
>41. -+ (-4.53): 19.Bc5 Nxc5 20.Nxe8 Qxe8 21.b4 Nb3 22.Re1 Qd7 23.Ra3 d3 24.b5
>42. -+ (-4.97): 19.Ba8 Rxa8 20.Nxe8 Qxe8 21.Re1 Qc8 22.bxc4 Bb7 23.f3 Qxc4
>24.Rb1
>43. -+ (-6.31): 19.Qe1 Rxe1 20.Rfxe1 c3 21.a5 d3 22.Nxc8 Bxc8 23.Be4 d2
>44. -+ (-9.41): 19.Qd3 cxd3 20.Nxe8 Qxe8 21.Rae1 Qd8 22.Rb1 Ne5 23.f4 Ng4 24.Bh3
>45. -+ (-11.12): 19.Qe2 Rxe2 20.bxc4 Ne5 21.Nxc8 Qxc8 22.Bd5 d3 23.Rad1 Bxc4
>24.Bg2
>46. -+ (-11.25): 19.Qxd4 Bxd4 20.Nxc8 cxb3 21.Ne7+ Rxe7 22.Bxe7 Qxe7 23.Rfe1 Qf6
>24.Re8+

• Re: Horizon Effect: Worse for Humans? Robert Hyatt 14:32:52 10/22/02
  • Re: Horizon Effect: Worse for Humans? Otello Gnaramori 05:09:30 10/23/02
    • Re: Horizon Effect: Worse for Humans? Robert Hyatt 08:14:47 10/23/02
      • Re: Horizon Effect: Worse for Humans? Marc van Hal 12:30:58 10/23/02
        • Re: Horizon Effect: Worse for Humans? Robert Hyatt 17:33:36 10/23/02
          • Re: Horizon Effect: Worse for Humans? Marc van Hal 04:37:34 10/24/02
            • Re: Horizon Effect: Worse for Humans? Robert Hyatt 08:14:50 10/24/02
    • Re: Horizon Effect: Worse for Humans? Bob Durrett 07:45:42 10/23/02

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