Gab's test position

[gleperlier]

[D]5k2/2q5/p2pQ2p/P6P/2p3PN/1p6/1b3P2/6K1 w - - 0 43

Rather easy one but the black that just played 44...b3 (0.00) are punished

Cheers,

Gab

[ZirconiumX]

Qxh6+ strikes me as obvious, but I'm not the judge.

Durandal Aug 29 2012:

Score : +1.78
Depth : 14/1
Time : 00:01:39
Nodes : 34193421
N/sec : 344229
1. Ng6 Kg7 2. g5 Qxa5 3. Qe7 Kg8 4. gxh6 Qa1 5. Kg2 Bg7 6. hxg7 Qxg7 7. Qe6 Kh7 8. Qxc4 b2 9. Qe4 Kh6

Matthew:out

[Dan Astrachan]

[d]5k2/2q5/p2pQ2p/P6P/2p3PN/1p6/1b3P2/6K1 w - - 0 43

IvanHoe999946h, 4-Gb hash:

Code: Select all

  26+	04:42	3 131 084 336	11 144 000	+11,92	Nh4-g6+ Kf8-g7 g4-g5 h6xg5 h5-h6+ Kg7-h7 Ng6-e7 Qc7xe7 Qe6xe7+ Kh7xh6 Qe7xd6+ Kh6-h5 Qd6-d5 Bb2-g7 Qd5-f7+ Kh5-h6 Qf7xc4 b3-b2 Qc4xa6+ Kh6-h5 Qa6-d3 Bg7-d4 a5-a6 Kh5-h6 Qd3-e4 Kh6-h5 Kg1-f1 Kh5-h6 f2-f3 Bd4-c5 Kf1-e2 Kh6-g7 Qe4-e5+ Kg7-f7 Qe5xb2 Kf7-e6 Qb2-b7 Ke6-d6 Ke2-d3 Bc5-f2 Kd3-c4 Bf2-e3 Qb7-f7 Be3-f2 Qf7-d5+ Kd6-c7 Qd5xg5 Kc7-b6 Qg5-b5+ Kb6-c7 Qb5-b7+ Kc7-d6 Qb7-d5+ Kd6-c7 Qd5-f7+ Kc7-c6 Qf7-b7+ Kc6-d6 

Resulting position:
[D]8/1Q6/P2k4/8/2K5/5P2/5b2/8 w - - 11 72

with mate in 7 to follow:

Code: Select all

 Qb7-b2 Bf2-g3 Qb2-b8+ Kd6-e6 Qb8xg3 Ke6-f6 a6-a7 Kf6-e6 a7-a8Q Ke6-f6 Qa8-f8+ Kf6-e6 Qg3-d6+

[gleperlier]

Yes Matthew and Dan :

[D]5k2/2q5/p2pQ2p/P6P/2p3PN/1p6/1b3P2/6K1 w - - 0 1

Analysis by stockfish 120331P intel x64:

43.Nh4-g6+ Kf8-g7 44.g4-g5 h6xg5 45.h5-h6+ Kg7-h7 46.Ng6-e7 Qc7xe7 47.Qe6xe7+ Kh7xh6 48.Qe7-e6+ Kh6-g7 49.Qe6xc4 Kg7-f6 50.Qc4xb3 Bb2-d4 51.Qb3-f3+ Kf6-e5 52.Qf3-e2+ Ke5-f4 53.Qe2xa6 Bd4-c5 54.Qa6-b7 g5-g4 55.a5-a6 g4-g3 56.Qb7-f7+ Kf4-e5 57.Qf7-g7+ Ke5-d5 58.Qg7xg3 Kd5-c4 59.Qg3-g7 d6-d5 60.a6-a7 Bc5xa7 61.Qg7xa7 Kc4-d3 62.Qa7-e3+ Kd3-c4 63.Qe3-e6
+- (12.32) Depth: 24/50 00:01:27 108mN

43.Nh4-g6+ Kf8-g7 44.g4-g5 h6xg5 45.h5-h6+ Kg7-h7 46.Ng6-e7 Qc7xe7 47.Qe6xe7+ Kh7-h8 48.Qe7-e8+ Kh8-h7 49.Qe8-f7+ Kh7xh6 50.Qf7-e6+ Kh6-g7 51.Qe6xc4 Kg7-f6 52.Qc4xb3 Bb2-d4 53.Qb3-f3+ Kf6-e5 54.Qf3-e2+ Ke5-f4 55.Qe2xa6 Bd4-c5 56.Qa6-b7 g5-g4 57.a5-a6 g4-g3 58.Qb7-f7+ Kf4-e5 59.Qf7-g7+ Ke5-e4 60.Qg7xg3 d6-d5 61.Qg3-g5 Ke4-d4 62.Qg5-g7+ Kd4-c4 63.Qg7-c7
+- (16.36 ++) Depth: 25/54 00:01:50 140mN

43.Nh4-g6+ Kf8-g7 44.g4-g5 h6xg5 45.h5-h6+ Kg7-h7 46.Ng6-e7 Qc7xe7 47.Qe6xe7+ Kh7xh6 48.Qe7-e6+ Kh6-g7 49.Qe6xc4 Kg7-f6 50.Qc4xb3 Bb2-d4 51.Qb3-c4 Kf6-e5 52.Qc4xa6 g5-g4 53.Qa6-b5+ Ke5-f4 54.Qb5-b3 Bd4-c5 55.a5-a6 Kf4-g5 56.Qb3-g8+ Kg5-f6 57.Qg8xg4 d6-d5 58.Qg4-f4+ Kf6-g6 59.Qf4-e5 Bc5-b4 60.Qe5-g3+ Kg6-f5 61.a6-a7 Bb4-c5 62.Qg3-f3+ Kf5-g6 63.a7-a8Q
+- (20.40) Depth: 25/54 00:02:19 177mN

Cheers,

Gab