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Subject: Test Position - black to move and draw

Author: Mike Byrne

Date: 19:05:29 01/12/03


modified crafty petrosian 19.01


[d]5rk1/7p/p2R4/1p1p2p1/3P4/2P1B1Pb/PP2rP2/RN4K1 b - -;bm Rxe3
Black(1): go
              clearing hash tables
              time surplus  30:00  time limit 1000:00 (1000:00)
              depth   time  score   variation (1)
starting thread 1
                1     0.00   4.40   1. ... Rf5 2. Rxa6 Rxb2
                1->   0.02   4.40   1. ... Rf5 2. Rxa6 Rxb2
                2     0.02   4.57   1. ... Rf5 2. Nd2
                2->   0.02   4.57   1. ... Rf5 2. Nd2
                3     0.02   4.46   1. ... Rf5 2. Nd2 a5
                3->   0.03   4.46   1. ... Rf5 2. Nd2 a5
                4     0.03     --   1. ... Rf5
                4     0.03   4.89   1. ... Rf5 2. Rxa6 Rxb2 3. Nd2
                4     0.05     ++   1. ... Re1+!!
                4     0.05   3.96   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+
                4->   0.05   3.96   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+
                5     0.05   3.96   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+
                5->   0.06   3.96   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+
                6     0.06   3.96   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+
                6->   0.08   3.96   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+ (s=4)
                7     0.10   3.94   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Bxb1
                                    4. Rxg5+ Kf7 (s=3)
                7->   0.11   3.94   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Bxb1
                                    4. Rxg5+ Kf7 (s=2)
                8     0.13   3.81   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+ Kf7
                8->   0.16   3.81   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+ Kf7 (s=2)
                9     0.19   4.03   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+ Kf7 6. d5
                9->   0.56   4.03   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+ Kf7 6. d5 (s=10)
               10     0.61   3.84   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+ Kf7 6. d5 Be4
                                    (s=9)
               10->   0.69   3.84   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+ Kf7 6. d5 Be4
                                    (s=2)
               11     0.78   3.89   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+ Bg6 6. Bf4 Rf5
                                    7. Rg4
               11->   1.16   3.89   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+ Bg6 6. Bf4 Rf5
                                    7. Rg4 (s=4)
               12     1.38   3.86   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+ Bg6 6. g4 Kf7
                                    7. d5 Re8 (s=3)
               12->   2.31   3.86   1. ... Re1+ 2. Kh2 Bf5 3. Rxd5 Rxb1
                                    4. Rxb1 Bxb1 5. Rxg5+ Bg6 6. g4 Kf7
                                    7. d5 Re8 (s=2)
               13     5.78     ++   1. ... Re1+!!
               13     7.28   2.30   1. ... Re1+ 2. Kh2 Bg4 3. Rxd5 Bf3
                                    4. Rxg5+ Kh8 5. Nd2 Rxa1 6. Nxf3 Rxf3
                                    7. Kg2 Rf6 8. a3
               13->   7.85   2.30   1. ... Re1+ 2. Kh2 Bg4 3. Rxd5 Bf3
                                    4. Rxg5+ Kh8 5. Nd2 Rxa1 6. Nxf3 Rxf3
                                    7. Kg2 Rf6 8. a3
               14     9.41     ++   1. ... Re1+!!
               14    10.89   1.70   1. ... Re1+ 2. Kh2 Bg4 3. Rxd5 h6 4.
                                    Rd6 Bf3 5. Nd2 Rxa1 6. Nxf3 Rxf3 7.
                                    Rxa6 Kg7 8. Kg2 Rf5
               14->  12.10   1.70   1. ... Re1+ 2. Kh2 Bg4 3. Rxd5 h6 4.
                                    Rd6 Bf3 5. Nd2 Rxa1 6. Nxf3 Rxf3 7.
                                    Rxa6 Kg7 8. Kg2 Rf5
               15    19.64   1.72   1. ... Re1+ 2. Kh2 g4 3. Rxd5 Rxe3
                                    4. Rg5+ Kh8 5. Rxg4 Bxg4 6. fxe3 Rf2+
                                    7. Kg1 Rxb2 8. e4 Re2 9. e5
               15    25.50     ++   1. ... Rxe3!!
               15    27.06   1.19   1. ... Rxe3 2. fxe3 Rf1+ 3. Kh2 g4
                                    4. Rd8+ Kf7 5. Na3 Rxa1 6. Rxd5 Rxa2
                                    7. Rf5+ Ke6 8. Rf2 Kd5 9. Re2
               15->  27.06   1.19   1. ... Rxe3 2. fxe3 Rf1+ 3. Kh2 g4
                                    4. Rd8+ Kf7 5. Na3 Rxa1 6. Rxd5 Rxa2
                                    7. Rf5+ Ke6 8. Rf2 Kd5 9. Re2 (s=4)
               16    31.97   0.94   1. ... Rxe3 2. fxe3 Rf1+ 3. Kh2 g4
                                    4. Rd8+ Kf7 5. Na3 Rxa1 6. Rxd5 Rxa2
                                    7. Rf5+ Ke6 8. Rf2 Kd5 9. Rf5+ Ke4
                                    (s=3)
               16->  38.74   0.94   1. ... Rxe3 2. fxe3 Rf1+ 3. Kh2 g4
                                    4. Rd8+ Kf7 5. Na3 Rxa1 6. Rxd5 Rxa2
                                    7. Rf5+ Ke6 8. Rf2 Kd5 9. Rf5+ Ke4
                                    (s=3)
               17    45.00   0.99   1. ... Rxe3 2. fxe3 Rf1+ 3. Kh2 g4
                                    4. Rd8+ Kf7 5. Na3 Rxa1 6. Rxd5 Rxa2
                                    7. Rf5+ Ke6 8. Rf2 Kd5 9. Re2 Ke4 10.
                                    c4 (s=2)
               17->  58.28   0.99   1. ... Rxe3 2. fxe3 Rf1+ 3. Kh2 g4
                                    4. Rd8+ Kf7 5. Na3 Rxa1 6. Rxd5 Rxa2
                                    7. Rf5+ Ke6 8. Rf2 Kd5 9. Re2 Ke4 10.
                                    c4 (s=2)
?              18     1:00   1/32*  1. ... Rxe3
Black(0): ?
              time=1:03  cpu=197%  mat=4  n=75561894  fh=90%  nps=1197k
              ext-> chk=2403452 cap=124110 pp=491911 1rep=125832 mate=25013
              predicted=0  nodes=75561894  evals=30933092
              endgame tablebase-> probes done=0  successful=0
              SMP->  split=868  stop=112  data=7/32  cpu=2:04  elap=1:03

Black(1): Rxe3
              time used:   1:03

This game was voted #1 of the 10 most important opening novelties for Chess
Informant 84.


[Event "Linares  84/286"]
[White "Ponomariov, R."]
[Black "Anand, V."]
[Date "2002.??.??"]
[Annotator "Ponomariov,R"]
[WhiteElo "2727"]
[BlackElo "2757"]
[ECO "C89"]
[Result "1/2-1/2"]


 1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 O-O
8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14.
g3 Qh3 15. Re4 g5 16. Qe2 f5 17. Bxd5+ cxd5 18. Re6 f4 19. Rxd6 Bg4 20. Qf1
Qxf1+ 21. Kxf1 Rae8 22. Bd2 Bh3+ 23. Kg1 fxg3 24. hxg3 Re2 25. Be3 Rxe3 26.
fxe3 Rf1+ 27. Kh2 g4 28. Rxd5
1/2-1/2




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