Three engines lead the second stage of TCEC Stage 2. Rybka (3076 ELO) is back on top with 9/12, together with Fire (2984 ELO) and last season’s champion Komodo (3131 ELO).

In the twelfth round Komodo and Fire drew against Texel and Gull respectively, while Rybka managed to outplay Junior with the black pieces in Benoni Defence. You can see the win of Rybka below:

Junior 13.3 (2931) – Rybka 4.1 (3076) [A65]

TCEC Season 6 – Stage 2 (12), 04.04.2014

19… Nd3+!

diagram-1

 

20. Bxd3 cxd3 21. Qxd3 b4 22. Ne2 Bxb2 23. Rb1 Bh8 24.0–0 Qb6 25. Kh2 a5 26.e5 Bf5 27. Qc4 b3 28.d6 Qb4 29. Qd5 Be4 30. Nc3 Bxb1!

diagram-2

 

[30… Bxd5 was less convincing 31. Nxd5 threatening Ne7#]

31. Nxb1 Qxa4–+ [and Rybka was already winning!]

32. Rd1 Qd7 33. Qxc5 a4 34. Qd5 b2 35. Rd4 Rb3 36. Re4 Qg4 37.e6 fxe6 38. Rxe6 Rxh3+ 39. Kg1 Rh1+ 40. Kxh1 Qh5+ 41. Qxh5 gxh5 42. Re4 Rc8 43.d7 Rc1+ 44. Kh2 Bf6 45. Na3 Kf7 46. Rd4 Ra1 47. Rd2 Rxa3 48. Rxb2 Rd3 49. Rb6 a3 50. Ra6 Be7 51. Ra7 Ke6 52.g4 hxg4 53. Kg2 Kf5 54. Ra5+ [Black wins by adjudication: TCEC win rule]

0–1

 

Only three rounds remain from TCEC Stage 2. The top 8 engines will qualify to the next stage. Follow Round 13 live at the official website

 

Standings after 12 rounds of Stage 2 TCEC

 

N Engine             Elo    Pts

1 Komodo 1188        3131   9.0

2 Fire 3.1           2984   9.0

3 Rybka 4.1          3076   9.0

4 Stockfish 060314   3133   8.5

5 Houdini 4          3135   7.0

6 Critter 1.6a       3034   6.5

7 Chiron 2           2965   6.0

8 Gull A206          3031   5.5

9 Shredder 12        2910   5.5

10 Equinox 2.04     2956   5.0

11 Hannibal 1.4b    2892   5.0

12 Texel 1.04a16    2878   5.0

13 Junior 13.3      2931   4.5

14 Naum 4.6         3013   4.5

15 Spike 1.4        2884   3.0

16 Protector 1.6b14 2996   3.0

 

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