Author: Tim Foden
Date: 23:42:25 12/07/03
Go up one level in this thread
On December 07, 2003 at 17:27:16, Anthony Cozzie wrote:
>Tinker-Zappa 3600+10 ICC game.
>
>[D]5rk1/ppq3p1/2p1pr2/5b2/3P2Pp/bNP5/P3QPBP/R4RK1 b - - 0 28
>
>Here Zappa played Qf4!? and went on to win.
>
>1... Qf4 2. gxf5 Bd6 3. Rfd1 Qxh2 4. Kf1 Rxf5 5. Rd3 Rxf2 6. Qxf2 Rxf2 7. Kxf2
>Bg3 8. Kf3 g5 9. Bf1 Qf2 10. Kg4
> = (1.58) Depth: 11/23 00:00:38.39 17225kN
>
>It does this on a more or less speculative basis: Black gets Q+3P v RRB, but
>White's King is seriously exposed, and Black's remaining army is very active.
>I'm not sure if the sac is completely correct; what does your thing play?
>
>anthon
GLC 3.00 chooses Qf4 after just under 30 seconds at 11 ply and sticks with it
with the score increasing until over 5.5 mins at 15 ply.
GLC 3.0.3.4 (Graz) chooses Qf4 after just over 30 seconds, and sticks with it
with the score increasing until over 3.5 mins at 15 ply.
Cheers, Tim.
(AXP 2.1GHz, 24MBHash)
Analysis by GLC 3.00:
>anal
Game stage: Middle game
Current eval: 0.466
Ply Time Score Nodes Principal variation
4 0.000 +0.034 5180 Bh7 2. g5 Rg6 3. Qh5
4 0.010 +0.034 9846 Bh7 2. g5 Rg6 3. Qh5
5 0.010 +0.074 14840 Bh7 2. g5 R6f7 3. Qxe6 Bd3
5 0.020 +0.074 29635 Bh7 2. g5 R6f7 3. Qxe6 Bd3
6 0.030 +0.293 41861 Bh7 2. g5 Rg6 3. Qg4 Bb2 4. Rab1 Bxc3 5. Qxh4
6 0.050 +0.293 61478 Bh7 2. g5 Rg6 3. Qg4 Bb2 4. Rab1 Bxc3 5. Qxh4
7 0.211 +0.504 241051 Bh7 2. Rad1 Bd6 3. h3 Qf7 4. Rd2 Qe7
7 0.261 +0.504 317571 Bh7 2. Rad1 Bd6 3. h3 Qf7 4. Rd2 Qe7
8 0.521 +0.475 600958 Bh7 2. Rad1 Bd6 3. h3 Kh8 4. Rd2 Bh2+ 5. Kh1 Bf4
6. Rb2
8 0.781 +0.613 910420 Qf4 2. gxf5 Bd6 3. Rfe1 Qxh2+ 4. Kf1 h3 5. Be4
exf5 6. Qc4+ R6f7
8 0.801 +0.613 941984 Qf4 2. gxf5 Bd6 3. Rfe1 Qxh2+ 4. Kf1 h3 5. Be4
exf5 6. Qc4+ R6f7
9 1.062 +0.555 1197624 Qf4 2. gxf5 Bd6 3. Rfe1 Qxh2+ 4. Kf1 h3 5. Bf3 Kh8
6. Be4 exf5
9 1.593 +0.555 1907900 Qf4 2. gxf5 Bd6 3. Rfe1 Qxh2+ 4. Kf1 h3 5. Bf3 Kh8
6. Be4 exf5
10 2.234 +0.302 2669999 Qf4 2. gxf5 Bd6 3. Rfb1 Qxh2+ 4. Kf1 h3 5. Bf3 e5
6. Be4 exd4 7. Nxd4 c5
10 7.511 +0.421 8187160 Bh7 2. Rad1 Bd6 3. h3 Qe7 4. Rd2 Bc7 5. a4 Qa3 6.
Qc4
10 13.400 +0.421 14400k Bh7 2. Rad1 Bd6 3. h3 Qe7 4. Rd2 Bc7 5. a4 Qa3 6.
Qc4
11 17.485 +0.484 19007k Bh7 2. Rad1 Bd6 3. h3 Qe7 4. Rd2 Bc7 5. Re1 Bf4 6.
Rb2 Bd6
11 26.168 +0.487 28923k Bg6 2. Rad1 Bd6 3. h3 Qe7 4. Rd2 R6f7 5. a4 Bf4 6.
Rb2 Qf6
11 29.603 +0.772 32703k Qf4 2. gxf5 Bd6 3. Rfd1 Qxh2+ 4. Kf1 h3 5. Bf3 Kh8
6. Nd2 exf5 7. Rab1 R6f7
11 30.104 +0.772 33380k Qf4 2. gxf5 Bd6 3. Rfd1 Qxh2+ 4. Kf1 h3 5. Bf3 Kh8
6. Nd2 exf5 7. Rab1 R6f7
12 35.121 +1.096 38913k Qf4 2. gxf5 Bd6 3. Rfd1 h3 4. Bf3 Rxf5 5. Qxe6+
Kh8 6. Nd2 Qxh2+ 7. Kf1 {ht}
12 36.142 +1.096 40367k Qf4 2. gxf5 Bd6 3. Rfd1 h3 4. Bf3 Rxf5 5. Qxe6+
Kh8 6. Nd2 Qxh2+ 7. Kf1 {ht}
13 46.137 +1.152 51350k Qf4 2. gxf5 Bd6 3. Rfd1 h3 4. Bf3 Rxf5 5. Qxe6+
Kh8 6. Nd2 Qxh2+ 7. Kf1 Rxf3 8. Nxf3 Rxf3 9.
Qc8+ Kh7
13 48.069 +1.152 54110k Qf4 2. gxf5 Bd6 3. Rfd1 h3 4. Bf3 Rxf5 5. Qxe6+
Kh8 6. Nd2 Qxh2+ 7. Kf1 Rxf3 8. Nxf3 Rxf3 9.
Qc8+ Kh7
14 1:14.70 +1.278 81846k Qf4 2. gxf5 Bd6 3. Rfd1 Qxh2+ 4. Kf1 Rxf5 5. Rd3
Bg3 6. Rf3 h3 7. Qxe6+ R5f7 8. Qxh3 Qxh3 9. Rxf7
Qc8
14 1:20.11 +1.278 89541k Qf4 2. gxf5 Bd6 3. Rfd1 Qxh2+ 4. Kf1 Rxf5 5. Rd3
Bg3 6. Rf3 h3 7. Qxe6+ R5f7 8. Qxh3 Qxh3 9. Rxf7
Qc8
15 3:12.40 +1.678 211777k Qf4 {++} 2. gxf5 Bd6 3. Rfd1 Qxh2+ 4. Kf1 Rxf5 5.
Rd3 Bg3 6. Rf3 h3 7. Qxe6+ R5f7 8. Qxh3 Qxh3 9.
Rxf7 Qc8 10. fxg3 Rxf7+
15 3:32.03 +1.677 238131k Qf4 {--} 2. gxf5 Bd6 3. Rfd1 Qxh2+ 4. Kf1 Rxf5 5.
Rd3 Bg3 6. f3 e5 7. Nc5 h3 8. Nxb7 Qxg2+ 9. Qxg2
hxg2+ 10. Kxg2 exd4 11. Kxg3
15 5:34.01 +1.892 366935k Qf4 2. gxf5 Bd6 3. Rfd1 Qxh2+ 4. Kf1 Rxf5 5. Rd3
Bg3 6. f3 e5 7. Nc5 h3 8. a4 hxg2+ 9. Qxg2 exd4
10. cxd4 Qh4 11. Nxb7
15 5:34.02 +1.892 366935k Qf4 2. gxf5 Bd6 3. Rfd1 Qxh2+ 4. Kf1 Rxf5 5. Rd3
Bg3 6. f3 e5 7. Nc5 h3 8. a4 hxg2+ 9. Qxg2 exd4
10. cxd4 Qh4 11. Nxb7
Analyse>exit
local: t=5:38.39 nps=1099594.5 n=372088474 (20.1% / 79.9%)
total: t=5:38.39 nps=1099594.5 n=372088474
stats: fh=92.1%/3.38%/1.111% draws=69297
trans: probes=74605975 hits=7714078 (10.34%) draft=5934433 (7.95%)
tcuts: exact=1517 (0.00%) upper=3063724 (4.11%) lower=1910510 (2.56%)
tstor: exact=2746 (0.01%) upper=20638362 (65.56%) lower=10838332 (34.43%)
ext: check=12473599 recap=1159105 ppush=421354 1rep=1401544 thrt=0
q-moves: gen=260377693 tested=126379609 made/un=44745080 max-dep=15
max eval diff: part-1=3.182 part-2=3.972
>hash 1
Hash table size set to: 1.0MB
>
Analysis by GLC 3.0.3.4:
>anal
Game stage: Middle game
Current eval: 0.462
Ply Time Score Nodes Principal variation
4 0.000 -0.090 5419 Bh7 2. g5 Rg6 3. Qh5
4 0.010 -0.015 6592 Bg6 2. g5 R6f7 3. Qxe6
4 0.010 -0.015 10869 Bg6 2. g5 R6f7 3. Qxe6
5 0.010 +0.385 11841 Bg6 {++} 2. g5 R6f7 3. Qxe6 Bd3
5 0.010 +0.440 17829 Bg6 2. g5 R6f7 3. Qxe6 Bd3
5 0.020 +0.440 28541 Bg6 2. g5 R6f7 3. Qxe6 Bd3
6 0.030 +0.110 38461 Bg6 2. g5 R6f7 3. Qxe6 Bd3 4. g6
6 0.060 +0.242 59944 Bh7 2. g5 R6f7 3. Qxe6 Bd6 4. h3
6 0.070 +0.242 75052 Bh7 2. g5 R6f7 3. Qxe6 Bd6 4. h3
7 0.150 +0.642 141405 Bh7 {++} 2. g5 Rg6 3. Qg4 Qf4 4. Qxf4 Rxf4 5. Kh1
Rxg5
7 0.160 +0.641 145499 Bh7 {--} 2. g5 Rg6 3. Qg4 Qf4 4. Qxf4 Rxf4 5. Rae1
7 0.170 +0.454 151418 Bh7 2. g5 Rg6 3. Qg4 Qf4 4. Qxf4 Rxf4 5. Rae1 Rxg5
6. Rxe6
7 0.250 +0.454 237940 Bh7 2. g5 Rg6 3. Qg4 Qf4 4. Qxf4 Rxf4 5. Rae1 Rxg5
6. Rxe6
8 0.431 +0.721 381266 Bh7 2. g5 Rg6 3. Kh1 Rxg5 4. Qxe6+ Kh8 5. Be4
Bxe4+ 6. Qxe4 h3
8 0.531 +0.721 487660 Bh7 2. g5 Rg6 3. Kh1 Rxg5 4. Qxe6+ Kh8 5. Be4
Bxe4+ 6. Qxe4 h3
9 1.402 +0.547 1265458 Bh7 2. Kh1 Qf4 3. Nc5 Bxc5 4. dxc5 h3 5. Bxh3 Be4+
6. Bg2 Bxg2+ 7. Kxg2 Rh6
9 1.783 +0.547 1705102 Bh7 2. Kh1 Qf4 3. Nc5 Bxc5 4. dxc5 h3 5. Bxh3 Be4+
6. Bg2 Bxg2+ 7. Kxg2 Rh6
10 6.189 +0.663 5598759 Bh7 2. Rae1 Bd6 3. h3 Kh8 4. Kh1 Bg6 5. Nc5 Bxc5
6. dxc5 Rd8
10 10.225 +0.663 9096653 Bh7 2. Rae1 Bd6 3. h3 Kh8 4. Kh1 Bg6 5. Nc5 Bxc5
6. dxc5 Rd8
11 15.412 +0.607 13906k Bh7 2. Rae1 Bd6 3. Nc5 Bxh2+ 4. Kh1 Re8 5. Nxb7
Bf4 6. Qa6 Bd2 7. Re5 Bxc3 8. Qxa7
11 25.537 +0.715 23096k Bg6 2. Rae1 Bd6 3. Nc5 Bxh2+ 4. Kh1 Bf7 5. Nxb7
Rh6 6. Nc5 Bd6 7. g5 Bh5
11 30.614 +0.804 27641k Qf4 2. gxf5 Bd6 3. Rfd1 Qxh2+ 4. Kf1 Rxf5 5. Rd3
Rxf2+ 6. Qxf2 Rxf2+ 7. Kxf2 Bg3+ 8. Kf1 h3 9.
Be4
11 31.085 +0.804 28142k Qf4 2. gxf5 Bd6 3. Rfd1 Qxh2+ 4. Kf1 Rxf5 5. Rd3
Rxf2+ 6. Qxf2 Rxf2+ 7. Kxf2 Bg3+ 8. Kf1 h3 9.
Be4
12 36.042 +1.017 32555k Qf4 2. gxf5 Bd6 3. Rfe1 Qxh2+ 4. Kf1 Rxf5 5. Qxe6+
Kh8 6. Qe3 Rxf2+ 7. Qxf2 Rxf2+ 8. Kxf2 h3 9.
Re8+ Kh7 10. Rg1 Qg3+ 11. Kf1 hxg2+ 12. Rxg2
Qxc3
12 44.494 +1.017 40262k Qf4 2. gxf5 Bd6 3. Rfe1 Qxh2+ 4. Kf1 Rxf5 5. Qxe6+
Kh8 6. Qe3 Rxf2+ 7. Qxf2 Rxf2+ 8. Kxf2 h3 9.
Re8+ Kh7 10. Rg1 Qg3+ 11. Kf1 hxg2+ 12. Rxg2
Qxc3
13 1:02.54 +1.409 56456k Qf4 2. gxf5 Bd6 3. Rfd1 h3 4. Be4 Rxf5 5. Kf1
Qxf2+ 6. Qxf2 Rxf2+ 7. Ke1 Rxh2 8. Rd2 Bg3+ 9.
Kd1 Rf1+ 10. Kc2 Rxd2+ 11. Kxd2 Rf2+ {ht}
13 1:06.72 +1.409 60781k Qf4 2. gxf5 Bd6 3. Rfd1 h3 4. Be4 Rxf5 5. Kf1
Qxf2+ 6. Qxf2 Rxf2+ 7. Ke1 Rxh2 8. Rd2 Bg3+ 9.
Kd1 Rf1+ 10. Kc2 Rxd2+ 11. Kxd2 Rf2+ {ht}
14 1:43.75 +1.667 93862k Qf4 2. gxf5 Bd6 3. Rfd1 h3 4. Bf3 Rxf5 5. Qxe6+
Kh8 6. Nd2 Qxh2+ 7. Kf1 Rxf3 8. Nxf3 Rxf3 9.
Qe8+ Rf8 10. Qe3
14 1:50.33 +1.667 101217k Qf4 2. gxf5 Bd6 3. Rfd1 h3 4. Bf3 Rxf5 5. Qxe6+
Kh8 6. Nd2 Qxh2+ 7. Kf1 Rxf3 8. Nxf3 Rxf3 9.
Qe8+ Rf8 10. Qe3
15 3:10.08 +1.744 171599k Qf4 2. gxf5 Bd6 3. Rfd1 Qxh2+ 4. Kf1 Rxf5 5. Rd3
Rxf2+ 6. Qxf2 Rxf2+ 7. Kxf2 Bg3+ 8. Kf3 g5 9.
Nc5 g4+ 10. Kxg4 Qxg2 11. Kh5 Qd5+ 12. Kh6
15 3:28.03 +1.744 191160k Qf4 2. gxf5 Bd6 3. Rfd1 Qxh2+ 4. Kf1 Rxf5 5. Rd3
Rxf2+ 6. Qxf2 Rxf2+ 7. Kxf2 Bg3+ 8. Kf3 g5 9.
Nc5 g4+ 10. Kxg4 Qxg2 11. Kh5 Qd5+ 12. Kh6
Analyse>exit
local: t=3:36.99 nps=917135.7 n=199011111 (21.3% / 78.7%)
total: t=3:36.99 nps=917135.7 n=199011111
stats: fh=92.8%/3.56%/0.994% draws=42329
trans: probes=42343283 hits=5003195 (11.82%) draft=3778534 (8.92%)
tcuts: exact=1446 (0.00%) upper=1729717 (4.08%) lower=1210908 (2.86%)
tstor: exact=2363 (0.01%) upper=11165518 (64.25%) lower=6209814 (35.73%)
ehash: probes=0 hits=0 (-1.$%)
ext: check=7040405 recap=651698 ppush=275995 1rep=791397 thrt=14637
q-moves: gen=128951230 tested=62219489 made/un=20233223 max-dep=13
max eval diff: part-1=4.724 part-2=4.517
>hash 1
Hash table size set to: 1.0MB
>
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.