Caruana - Aronian Rd12

[AdminX]

[AdminX]

[pgn]
[Event "Candidates 2016"]
[Site "Moscow, Russia"]
[Date "2016.03.25"]
[Round "12.4"]
[White "Caruana Fabiano (USA)"]
[Black "Aronian Levon (ARM)"]
[Result "1/2-1/2"]
[ECO "C84"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Be7 6. d3 b5 7. Bb3 O-O 8. Nc3
d6 9. a3 Na5 10. Ba2 Be6 11. b4 Bxa2 12. Rxa2 Nc6 13. Bg5 Nd7 14. Be3 Nf6 15.
Qb1 d5 16. Bg5 d4 17. Bxf6 dxc3 18. Bxe5 Nxe5 19. Nxe5 Qd6 20. Ng4 a5 21. Ne3 c6
22. a4 axb4 23. axb5 cxb5 24. Nd5 Rfb8 25. Nxe7+ Qxe7 26. Qb3 h5 27. Rfa1 Rxa2
28. Qxa2 Qc5 29. Rb1 Rd8 30. h3 g6 31. Qb3 Rd4 32. Re1 Qa7 33. Kf1 Kg7 34. Ke2
h4 35. Rd1 Qa5 36. Rb1 Qa6 37. Kf1 Qd6 38. Ra1 Qc5 39. Rb1 Qa7 40. Ke2 g5 41.
Rg1 Qd7 42. Ra1 Qe7 43. Ra6 Qc7 44. Ra8 Qf4 45. Ra1 g4 46. hxg4 Qxg4+ 47. Ke3
Rd6 48. Qxb4 Qg5+ 49. Ke2 Rf6 50. Qxc3 Qxg2 51. Qd4 h3 52. Qe3 Qg4+ 53. Kd2 Qg2
54. Ke2 Qg4+ 55. Kd2 h2 56. Rh1 Qg2 57. Qg3+ Qxg3 58. fxg3 Rf2+ 59. Kc3 Kf6 60.
d4 Kg5 61. d5 Kf6 62. g4 Ke5 63. g5 b4+ 64. Kxb4 Rxc2 65. Kb5 Kd6 66. Kb4 Ke5
67. Kb5 1/2-1/2
[/pgn]

[whereagles]

engines found a nice (inhuman?) sac at 38... Rxd3!

[AdminX]

engines found a nice (inhuman?) sac at 38... Rxd3!

Really!!! I will have to take a look at that in a moment. Thanks for the heads up.

[AdminX]

An amazing missed opportunity!


Caruana Fabiano (USA) - Aronian Levon (ARM), Candidates 2016
8/5pk1/3q2p1/1p6/1p1rP2p/1QpP3P/2P2PP1/R4K2 b - - 0 1

Analysis by Komodo 9.42 64-bit:

1. -+ (-3.06): 38...Rxd3 39.cxd3 Qxd3+ 40.Ke1 Qxe4+ 41.Kf1 Qd3+ 42.Ke1 Qd2+ 43.Kf1 c2 44.Qb2+ Kh7 45.Re1 Qd1 46.f3 Qd2 47.Qa1 b3 48.Qb2 b4 49.Qxb3 Qxe1+ 50.Kxe1 c1Q+ 51.Ke2 Qf4 52.Kd3 Kh6 53.Ke2 Qe5+ 54.Kf1 Qb5+ 55.Kf2 Qb6+ 56.Kf1 Kg7 57.Qb2+ Kg8 58.Ke2 Qa6+ 59.Ke1 Qb5 60.Qb3 Qe5+ 61.Kf1 Qa1+ 62.Kf2 Qd4+ 63.Ke2 Kg7 64.Qc2 Qb6 65.Qb2+ Kg8 66.f4 Qb5+ 67.Ke3 Qc5+ 68.Ke4 Qc4+ 69.Qd4 Qe2+

2. = (0.00): 38...Qh2 39.Ra7 Qf4 40.Kg1 Qc1+ 41.Kh2 Qf4+ 42.Kg1

3. = (0.00): 38...Qe7 39.Rb1 Qf6 40.Qa2 Qg5 41.Qb3 Qd2 42.Kg1 Qf4 43.Rf1 Qc7 44.Qa2 Qc5 45.Ra1 Rd6 46.Rb1 Rf6 47.Rf1 Re6 48.Qb3 Rf6 49.Qa2

4. = (0.00): 38...Qd8 39.Ra7 Qf6 40.Kg1 Qf4 41.Rb7 Qc1+ 42.Kh2 Qf4+ 43.Kg1

[whereagles]

Indeed. But it came near the time control and for the player who was trying to equalize, so it was pretty nigh impossible to even think about it, let alone calculating deep enough

Gotta check the press conference to see if it crossed Levon's mind.

[yurikvelo]

Indeed. But it came near the time control and for the player who was trying to equalize, so it was pretty nigh impossible to even think about it, let alone calculating deep enough

Gotta check the press conference to see if it crossed Levon's mind.

Even in correspondence chess 20 years ago it's almost impossible.

After going 13 plies deep, Komodo 9.3 (Syzygy 6) up to D=17 calculate as 0.00, only from D=18 (which is D=31 from 38. .. Rxd3) Komodo see 46. .. Qf4!

38. .. Rxd3 39.cxd3 Qxd3+ 40.Ke1 Qxe4+ 41.Kf1 Qd3+ 42.Ke1 Qd2+ 43.Kf1 c2 44.Qb2+ Kh7

8/5p1k/6p1/1p6/1p5p/7P/1Qpq1PP1/R4K2 w - - 2 45


D=18, 32 MN
-1,35 45.Kg1 b3 46.Rf1 Qf4! 47.g4 hxg3

D=17, 17 MN
=0,00 45.Kg1 b3 46.Rf1 b4 47.Qxb3 c1Q
-1,14 45.Re1 g5 46.g3 hxg3 47.fxg3 b3
-1,56 45.g3 hxg3 46.fxg3 b3 47.Qxb3 c1Q+
-1,58 45.f3 b3 46.Re1 b4 47.Qxb3 Qxe1+
-1,60 45.g4 hxg3 46.fxg3 b3 47.Qxb3 c1Q+
-2,61 45.f4 b3 46.f5 gxf5 47.Re1 Kg6