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Subject: Re: Is the sacrifice correct? CM9000 and CM9000 MoreFun

Author: Chessfun

Date: 10:47:04 02/22/04

Go up one level in this thread


On February 22, 2004 at 04:02:32, Kurt Utzinger wrote:

>[D]rnb1k2r/pp1pp1bp/6p1/2pn2B1/8/2NB1N2/PqPQ2PP/1R2K2R w Kkq - 0 11
>Reti,R - Euwe,M (Amsterdam 1920)
>Position before 11.Nxd5!! (or ?!)
>
>
>[Event "Amsterdam m"]
>[Site "Amsterdam"]
>[Date "1920.??.??"]
>[Round "2"]
>[White "Reti, Richard"]
>[Black "Euwe, Max"]
>[Result "1-0"]
>[ECO "A83"]
>[PlyCount "33"]
>[EventDate "1920.??.??"]
>
>1. d4 f5 2. e4 fxe4 3. Nc3 Nf6 4. Bg5 g6 5. f3 exf3 6. Nxf3 Bg7 7. Bd3 c5 8. d5
>Qb6 9. Qd2 Qxb2 10. Rb1 Nxd5 11. Nxd5 Qxb1+ 12. Kf2 Qxh1 13. Bxe7 d6 14. Bxd6
>Nc6 15. Bb5 Bd7 16. Bxc6 bxc6 17. Qe2+ 1-0

New game
rnb1k2r/pp1pp1bp/6p1/2pn2B1/8/2NB1N2/PqPQ2PP/1R2K2R w Kkq - 0 1

Analysis by CM9000 MoreFun: XP 2600

1.Rxb2 Bxc3 2.Bxg6+ hxg6
  ±  (1.28)   Depth: 3   00:00:01
1.Rxb2 Bxc3 2.Qxc3 Nxc3 3.Bd2 Na4 4.Rb3
  ³  (-0.57)   Depth: 4   00:00:01
1.Rxb2 Bxc3 2.Be4 Bxd2+ 3.Bxd2 e6 4.0-0
  ³  (-0.69)   Depth: 5   00:00:01
1.Rxb2 Bxc3 2.0-0 Bxd2 3.Nxd2 Nc6 4.Ne4
  ³  (-0.50)   Depth: 6   00:00:02  46kN
1.Rxb2 Bxc3 2.Qxc3 Nxc3 3.Bd2 Na4 4.Rb1 Nc6 5.0-0 d5
  µ  (-0.86)   Depth: 7   00:00:02  98kN
1.Rxb2 Bxc3 2.Qxc3 Nxc3 3.Bd2 Nd5 4.c4 Nb4 5.Be4 d6 6.0-0
  µ  (-0.71)   Depth: 8   00:00:02  218kN
1.Rxb2 Bxc3 2.Qxc3 Nxc3 3.Bd2 Nd5 4.0-0 Nc6 5.c4 Ndb4 6.Be4 0-0
  µ  (-0.89)   Depth: 9   00:00:02  615kN
1.Rxb2 Bxc3 2.Qxc3 Nxc3 3.0-0 Nc6 4.Bh6 Nd5 5.c4 Nf6 6.Bg7 Rg8
  µ  (-0.86)   Depth: 10   00:00:05  1896kN
1.Rxb2 Bxc3 2.0-0 Bxd2 3.Nxd2 Rf8 4.Re1 Nc6 5.Ne4 Ne5 6.Nxc5 Nxd3 7.Nxd3
  µ  (-0.92)   Depth: 11   00:00:17  5999kN
1.Nxd5 Qxb1+ 2.Kf2 Qxh1 3.Nc7+ Kd8 4.Bxe7+ Kxc7 5.Qf4+ Kb6 6.Qd6+ Nc6 7.Qxc5+
Kc7 8.Qd6+ Kb6 9.Qc5+
  =  (0.00)   Depth: 11   00:00:40  13965kN
1.Nxd5 Qxb1+ 2.Kf2 Qxh1 3.Nc7+ Kd8 4.Bxe7+ Kxc7 5.Qf4+ Kb6 6.Qd6+ Nc6 7.Qxc5+
Kc7 8.Qd6+ Kb6 9.Qc5+
  =  (0.00)   Depth: 12   00:01:33  34435kN

New game
rnb1k2r/pp1pp1bp/6p1/2pn2B1/8/2NB1N2/PqPQ2PP/1R2K2R w Kkq - 0 1

Analysis by Chessmaster 9000: XP 2600

1.Rxb2 Bxc3 2.Bxg6+ hxg6
  ±  (0.94)   Depth: 3   00:00:00
1.Rxb2 Bxc3 2.0-0 Bxd2 3.Nxd2
  ³  (-0.66)   Depth: 4   00:00:00
1.Rxb2 Bxc3 2.Be4 Bxd2+ 3.Bxd2 e6 4.0-0
  µ  (-0.87)   Depth: 5   00:00:00
1.Rxb2 Bxc3 2.Qxc3 Nxc3 3.Bd2 Nd5 4.c4 Nb4 5.Bxb4 cxb4 6.Rxb4
  µ  (-0.76)   Depth: 6   00:00:00  59kN
1.Rxb2 Bxc3 2.Qxc3 Nxc3 3.Bd2 Na4 4.Rb3 Nc6 5.0-0 d5
  µ  (-1.02)   Depth: 7   00:00:00  116kN
1.Rxb2 Bxc3 2.0-0 Bxd2 3.Bxd2 d6 4.c4 Nb4 5.Bxb4 cxb4 6.Rxb4
  µ  (-0.80)   Depth: 8   00:00:00  228kN
1.Rxb2 Bxc3 2.0-0 Bxd2 3.Bxd2 d6 4.c4 Nf6 5.Ng5 0-0
  µ  (-1.06)   Depth: 9   00:00:02  663kN
1.Rxb2 Bxc3 2.0-0 Bxd2 3.Bxd2 d6 4.Be4 Nb6 5.Ng5 Rf8
  µ  (-0.97)   Depth: 10   00:00:07  2559kN
1.Rxb2 Bxc3 2.0-0 Bxd2 3.Nxd2 Rf8 4.Re1 Nc6 5.Ne4 Ne5 6.Nxc5 Nxd3 7.Nxd3
  µ  (-0.98)   Depth: 11   00:00:24  8957kN
1.Rxb2 Bxc3 2.Qxc3 Nxc3 3.0-0 Nc6 4.Bh6 Nd5 5.c4 Nb6 6.Bg7 Rg8 7.Bc3 d5
  µ  (-1.03)   Depth: 12   00:02:14  47397kN

Sarah.



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