Author: Renze Steenhuisen
Date: 01:47:28 07/23/04
Go up one level in this thread
On July 22, 2004 at 03:40:26, Peter McKenzie wrote:
>[D]1k1r3r/ppp1q1p1/4bp2/2p4p/3nPp2/1PNP1P2/P1PQB1PP/R3R2K b - -
>
>This position occurred in KnightCap-Warp in the Australasian Champs the other
>day. Warp played the rather dim h4, when g5 seems like a much better option.
>After h4?! h3 black's chances of breaking through on the k-side have vanished.
>
>Do any other engines have this problem, or is it just some Warp specific brian
>damage?
>
>cheers,
>Peter
I am running these positions on three computers now... I find it very
interesting to see Crafty strugle between h4 and g5, while the values after h4
and g5 are clearly in the advantage of h4 until ply 17:
h4 g5
6 -1.43 -1.09
7 -1.48 -1.09
8 -1.45 -1.25
9 -1.45 -1.35
10 -1.48 -1.32
11 -1.50 -1.41
12 -1.45 -1.38
13 -1.57 -1.37
14 -1.48 -1.37
15 -1.49 -1.43
16 -1.49 -1.43
17 -1.40 -1.44
18 -1.37 -1.47
19 -1.34
/************** The original position *****************/
time surplus 0.00 time limit 166666:39 (166666:39)
depth time score variation (1)
1 0.00 -0.41 1. ... Rhe8 2. Qxf4 Nxc2
1-> 0.00 -0.41 1. ... Rhe8 2. Qxf4 Nxc2
2 0.00 -0.29 1. ... Rhe8 2. Kg1
2-> 0.17 -0.29 1. ... Rhe8 2. Kg1
3 0.18 -0.39 1. ... Rhe8 2. Kg1 g5
3-> 0.32 -0.39 1. ... Rhe8 2. Kg1 g5
4 0.32 -0.28 1. ... Rhe8 2. Kg1 g5 3. a3
4-> 0.48 -0.28 1. ... Rhe8 2. Kg1 g5 3. a3
5 0.49 -0.31 1. ... Rhe8 2. Rac1 g5 3. h4 f5 4. hxg5 Qxg5
5 0.65 -0.34 1. ... h4 2. Bd1 h3 3. Qxf4 hxg2+ 4. Kxg2 Rd6
5 0.73 -0.37 1. ... g5 2. Kg1 Rhe8 3. a3 c6 <HT>
5-> 0.83 -0.37 1. ... g5 2. Kg1 Rhe8 3. a3 c6 <HT>
6 0.95 -0.31 1. ... g5 2. Kg1 Rhe8 3. a3 c6 4. Rad1
6-> 1.07 -0.31 1. ... g5 2. Kg1 Rhe8 3. a3 c6 4. Rad1
7 1.38 -0.23 1. ... g5 2. Na4 g4 3. Qc3 gxf3 4.
gxf3 Rhg8 5. Nxc5
7 1.74 -0.44 1. ... h4 2. Bf1 h3 3. Nd5 Bxd5 4.
exd5 hxg2+ 5. Bxg2 Qd6 6. c3
7-> 1.85 -0.44 1. ... h4 2. Bf1 h3 3. Nd5 Bxd5 4.
exd5 hxg2+ 5. Bxg2 Qd6 6. c3
8 2.37 -0.31 1. ... h4 2. h3 Rhe8 3. Na4 b5 4. Nc3
g5 5. a3
8-> 2.91 -0.31 1. ... h4 2. h3 Rhe8 3. Na4 b5 4. Nc3
g5 5. a3
9 3.64 -0.26 1. ... h4 2. h3 Rhe8 3. Na4 g5 4. Qc3
b6 5. a3 c6
9 5.71 -0.28 1. ... g5 2. a4 h4 3. h3 Rhe8 4. Nb5
c6 5. Nxd4 Rxd4 6. c4
9-> 6.62 -0.28 1. ... g5 2. a4 h4 3. h3 Rhe8 4. Nb5
c6 5. Nxd4 Rxd4 6. c4
10 9.24 -0.10 1. ... g5 2. a4 h4 3. h3 Rhe8 4. a5
a6 5. Kg1 Rd6 6. Rad1
10 10.65 -0.29 1. ... h4 2. h3 Rhe8 3. Na4 g5 4. Qc3
b6 5. a3 Nb5 6. Qd2
10-> 14.34 -0.29 1. ... h4 2. h3 Rhe8 3. Na4 g5 4. Qc3
b6 5. a3 Nb5 6. Qd2
11 25.37 -0.15 1. ... h4 2. h3 Rh5 3. a4 Re5 4. Nb5
g5 5. Nxd4 cxd4 6. Kg1 c6 7. c4 dxc3
8. Qxc3
11-> 57.46 -0.15 1. ... h4 2. h3 Rh5 3. a4 Re5 4. Nb5
g5 5. Nxd4 cxd4 6. Kg1 c6 7. c4 dxc3
8. Qxc3
12 1:08 -0.18 1. ... h4 2. h3 g5 3. a4 Qd7 4. Kh2
Rhe8 5. a5 c4 6. bxc4 Bxc4 7. Rab1
Be6
12-> 1:50 -0.18 1. ... h4 2. h3 g5 3. a4 Qd7 4. Kh2
Rhe8 5. a5 c4 6. bxc4 Bxc4 7. Rab1
Be6
13 2:29 -0.15 1. ... h4 2. h3 Qd7 3. Bf1 g5 4. e5
Bxh3 5. exf6 Bf5 6. Ne4 h3 7. Nxc5
hxg2+ 8. Kxg2 Qh7
13 3:10 -0.17 1. ... g5 2. a4 Qd7 3. a5 h4 4. h3
Bxh3 5. Na4 c4 6. bxc4 Be6 7. a6 b6
13-> 3:50 -0.17 1. ... g5 2. a4 Qd7 3. a5 h4 4. h3
Bxh3 5. Na4 c4 6. bxc4 Be6 7. a6 b6
14 5:42 -0.12 1. ... g5 2. a4 Qd7 3. Nb5 h4 4. Qa5
a6 5. Nxd4 cxd4 6. h3 Bxh3 7. gxh3
Qxh3+ 8. Kg1 Qg3+ 9. Kh1 h3 10. c3
14 6:39 -0.24 1. ... h4 2. h3 Qd7 3. Bd1 g5 4. Na4
Qe7 5. Qa5 b6 6. Qa6 Bc8 7. Qc4 Be6
8. Qc3
14-> 7:34 -0.24 1. ... h4 2. h3 Qd7 3. Bd1 g5 4. Na4
Qe7 5. Qa5 b6 6. Qa6 Bc8 7. Qc4 Be6
8. Qc3
15 11:17 -0.22 1. ... h4 2. h3 Qd6 3. a4 Rh6 4. a5
Rg6 5. a6 b6 6. Bf1 Qe5 7. Ne2 Qg5
8. Rad1 Nxe2 9. Rxe2
15 75:49 -0.31 1. ... g5 2. Rac1 Qd7 3. Bf1 h4 4.
h3 Bxh3 5. Na4 c4 6. dxc4 <HT>
15-> 77:21 -0.31 1. ... g5 2. Rac1 Qd7 3. Bf1 h4 4.
h3 Bxh3 5. Na4 c4 6. dxc4 <HT>
16 104:33 -0.24 1. ... g5 2. Rac1 h4 3. h3 Rhe8 4.
Na4 c4 5. Nb2 cxb3 6. cxb3 Qd6 7. Qc3
Qe5 8. Nc4 Nxe2 9. Rxe2 Qxc3 10. Rxc3
16 120:34 -0.28 1. ... h4 2. h3 Rh6 3. a4 Rg6 4. Bf1
Qd6 5. Ne2 Nxe2 6. Qxe2 Qe5 7. a5 a6
8. Qd2 Re8 9. b4 cxb4 10. Qxb4
16-> 139:16 -0.28 1. ... h4 2. h3 Rh6 3. a4 Rg6 4. Bf1
Qd6 5. Ne2 Nxe2 6. Qxe2 Qe5 7. a5 a6
8. Qd2 Re8 9. b4 cxb4 10. Qxb4
17 163:27 -0.25 1. ... h4 2. h3 Rh6 3. a4 Rg6 4. Bd1
Qd6 5. a5 Qe5 6. Ra4 a6 7. Ne2 Nxe2
8. Bxe2 Qg5 9. Bf1 <HT>
17 432:46 -0.30 1. ... g5 2. Rac1 Qd6 3. Bd1 Rhe8 4.
Na4 h4 5. h3 Qe5 6. c3 Nc6 7. a3 Qd6
8. Qf2 b6 9. Bc2 Qe5
17-> 445:42 -0.30 1. ... g5 2. Rac1 Qd6 3. Bd1 Rhe8 4.
Na4 h4 5. h3 Qe5 6. c3 Nc6 7. a3 Qd6
8. Qf2 b6 9. Bc2 Qe5
18 745:16 -0.24 1. ... g5 2. Bd1 Qd7 3. Na4 Qd6 4.
Qf2 b6 5. c3 Nc6 6. Bc2 g4 7. Rf1 g3
8. Qd2 Qe5 9. h4 Rhe8 10. c4
18 798:10 -0.25 1. ... h4 2. h3 Rh6 3. Na4 Qd6 4. c3
Nc6 5. Qc2 Rg6 6. e5 fxe5 7. d4 Rg5
8. dxc5 Qd2 9. Qh7 Qe3 10. Qxh4
18->1031:59 -0.25 1. ... h4 2. h3 Rh6 3. Na4 Qd6 4. c3
Nc6 5. Qc2 Rg6 6. e5 fxe5 7. d4 Rg5
8. dxc5 Qd2 9. Qh7 Qe3 10. Qxh4
19 1275:29 -0.20 1. ... h4 2. h3 Qd6 3. Na4 Rhe8 4.
Rad1 Nc6 5. c3 Qe5 6. Rc1 b6 7. Nb2
g6 8. b4 cxb4 9. cxb4 Nd4 10. Nc4 Bxc4
11. Rxc4 Qg5
19 1436:45 2/46* 1. ... g5
/*************** After h4 *******************/
1 0.00 -0.83 1. Kg1
1-> 0.01 -0.83 1. Kg1
2 0.01 -0.98 1. Kg1 h3
2-> 0.01 -0.98 1. Kg1 h3
3 0.01 -- 1. Kg1
3 0.01 -2.13 1. Kg1 h3 2. Bf1 hxg2 3. Bxg2
3 0.01 -1.23 1. Rac1 h3 2. Qxf4 hxg2+ 3. Kxg2
3-> 0.02 -1.23 1. Rac1 h3 2. Qxf4 hxg2+ 3. Kxg2
4 0.02 -1.35 1. Rac1 h3 2. Qxf4 hxg2+ 3. Kxg2 Rd6
4-> 0.03 -1.35 1. Rac1 h3 2. Qxf4 hxg2+ 3. Kxg2 Rd6
5 0.04 -1.34 1. Rac1 h3 2. Qxf4 hxg2+ 3. Kxg2 Bh3+
4. Kg1 Rde8
5-> 0.06 -1.34 1. Rac1 h3 2. Qxf4 hxg2+ 3. Kxg2 Bh3+
4. Kg1 Rde8
6 0.08 -1.43 1. Rac1 h3 2. Qxf4 hxg2+ 3. Kxg2 g5
4. Qe3 Rde8
6-> 0.16 -1.43 1. Rac1 h3 2. Qxf4 hxg2+ 3. Kxg2 g5
4. Qe3 Rde8
7 0.26 -1.64 1. Rac1 g5 2. h3 Rhe8 3. Kg1 c6 4.
a3
7 0.62 -1.48 1. Bf1 h3 2. Nd5 Bxd5 3. exd5 hxg2+
4. Bxg2 Qd6 5. c3 Nf5
7-> 0.67 -1.48 1. Bf1 h3 2. Nd5 Bxd5 3. exd5 hxg2+
4. Bxg2 Qd6 5. c3 Nf5
8 0.91 -1.45 1. Bf1 h3 2. Nd5 Bxd5 3. exd5 hxg2+
4. Bxg2 Qd6 5. c3 Nf5 6. Rad1 Qxd5
7. Qxf4
8-> 1.19 -1.45 1. Bf1 h3 2. Nd5 Bxd5 3. exd5 hxg2+
4. Bxg2 Qd6 5. c3 Nf5 6. Rad1 Qxd5
7. Qxf4
9 1.25 -- 1. Bf1
9 1.50 -1.88 1. Bf1 h3 2. Nd5 Bxd5 3. exd5 hxg2+
4. Bxg2 Qd6 5. Rac1 Qxd5 6. Qxf4 Rde8
7. Rxe8+ Rxe8
9 2.14 -1.71 1. Rac1 h3 2. Qxf4 hxg2+ 3. Kxg2 g5
4. Qg3 Bh3+ 5. Kh1 Rh4 6. Qf2 Rdh8
9 4.99 -1.45 1. h3 Rh5 2. a4 Re5 3. a5 a6 4. Kg1
g5 5. Rad1
9-> 5.24 -1.45 1. h3 Rh5 2. a4 Re5 3. a5 a6 4. Kg1
g5 5. Rad1
10 8.73 -1.48 1. h3 Rh5 2. Na4 Rg5 3. c3 Nxe2 4.
Rxe2 Bd7 5. Nb2 Qe5 6. d4
10-> 9.77 -1.48 1. h3 Rh5 2. Na4 Rg5 3. c3 Nxe2 4.
Rxe2 Bd7 5. Nb2 Qe5 6. d4
11 16.66 -1.50 1. h3 Rh5 2. Na4 Qd6 3. c3 Nxe2 4.
Qxe2 Rg5 5. Rad1 Qe5 6. b4 cxb4 7.
cxb4
11-> 18.74 -1.50 1. h3 Rh5 2. Na4 Qd6 3. c3 Nxe2 4.
Qxe2 Rg5 5. Rad1 Qe5 6. b4 cxb4 7.
cxb4
12 38.82 -1.45 1. h3 Rh5 2. Na4 Qd6 3. a3 Bd7 4. Nb2
Rg5 5. Nc4 Qe7 6. Rac1 b5
12-> 43.00 -1.45 1. h3 Rh5 2. Na4 Qd6 3. a3 Bd7 4. Nb2
Rg5 5. Nc4 Qe7 6. Rac1 b5
13 1:11 -1.57 1. h3 Rh5 2. Na4 Qd6 3. c3 Nc6 4. Rec1
Qe5 5. b4 cxb4 6. cxb4 Rg5 7. Nc5 Nd4
8. Nxe6 Qxe6
13-> 1:29 -1.57 1. h3 Rh5 2. Na4 Qd6 3. c3 Nc6 4. Rec1
Qe5 5. b4 cxb4 6. cxb4 Rg5 7. Nc5 Nd4
8. Nxe6 Qxe6
14 2:40 -1.48 1. h3 Rh5 2. Na4 Qd7 3. Bd1 Qd6 4.
c3 Nc6 5. Bc2 Qe5 6. b4 cxb4 7. cxb4
Rd4 8. a3
14-> 2:56 -1.48 1. h3 Rh5 2. Na4 Qd7 3. Bd1 Qd6 4.
c3 Nc6 5. Bc2 Qe5 6. b4 cxb4 7. cxb4
Rd4 8. a3
15 7:33 -1.49 1. h3 Qd6 2. Rac1 Qe5 3. Nd1 Nc6 4.
c3 Qg5 5. b4 c4 6. d4 Rhe8 7. Kg1 Ne5
8. a4
15-> 8:35 -1.49 1. h3 Qd6 2. Rac1 Qe5 3. Nd1 Nc6 4.
c3 Qg5 5. b4 c4 6. d4 Rhe8 7. Kg1 Ne5
8. a4
16 17:36 -1.49 1. h3 Qd6 2. Rac1 Rh5 3. Na4 Rg5 4.
c3 Nc6 5. Red1 g6 6. Qe1 Rh5 7. Qf2
<HT>
16-> 20:18 -1.49 1. h3 Qd6 2. Rac1 Rh5 3. Na4 Rg5 4.
c3 Nc6 5. Red1 g6 6. Qe1 Rh5 7. Qf2
<HT>
17 64:55 -1.40 1. h3 Qd6 2. Na4 Rh5 3. c3 Nc6 4. Rac1
Rg5 5. Red1 g6 6. Qe1 Rh5 7. Qf2 <HT>
17-> 69:23 -1.40 1. h3 Qd6 2. Na4 Rh5 3. c3 Nc6 4. Rac1
Rg5 5. Red1 g6 6. Qe1 Rh5 7. Qf2 <HT>
18 181:42 -1.37 1. h3 Qd6 2. Rac1 Rh5 3. Bf1 Bf7 4.
Ne2 Nxe2 5. Bxe2 Qe5 6. c3 Qg5 7. d4
Qg3 8. d5 Rg5 9. Bd3 Re8 10. Kg1
18-> 194:27 -1.37 1. h3 Qd6 2. Rac1 Rh5 3. Bf1 Bf7 4.
Ne2 Nxe2 5. Bxe2 Qe5 6. c3 Qg5 7. d4
Qg3 8. d5 Rg5 9. Bd3 Re8 10. Kg1
19 534:19 -1.34 1. h3 Qd6 2. Na4 Rh5 3. c3 Nc6 4. Rab1
Qe5 5. b4 cxb4 6. cxb4 b6 7. Nc3 Nd4
8. Bd1 Rg5 9. Ne2 Nxe2 10. Bxe2 Rd4
11. Rbc1
19-> 557:09 -1.34 1. h3 Qd6 2. Na4 Rh5 3. c3 Nc6 4. Rab1
Qe5 5. b4 cxb4 6. cxb4 b6 7. Nc3 Nd4
8. Bd1 Rg5 9. Ne2 Nxe2 10. Bxe2 Rd4
11. Rbc1
20 1432:00 1/27* 1. h3
/*************** After g5 *******************/
depth time score variation (1)
1 0.00 -0.86 1. Kg1
1-> 0.00 -0.86 1. Kg1
2 0.00 -1.07 1. Kg1 Rhe8
2-> 0.00 -1.07 1. Kg1 Rhe8
3 0.01 -0.96 1. Kg1 Rhe8 2. a3
3-> 0.01 -0.96 1. Kg1 Rhe8 2. a3
4 0.01 -1.05 1. Kg1 Rhe8 2. a3 c6
4-> 0.01 -1.05 1. Kg1 Rhe8 2. a3 c6
5 0.04 -1.12 1. Kg1 g4 2. Rf1 gxf3 3. Bxf3 Rdg8
5 0.08 -1.08 1. a4 Rhe8 2. Kg1 a5 3. Rad1
5-> 0.11 -1.08 1. a4 Rhe8 2. Kg1 a5 3. Rad1
6 0.13 -- 1. a4
6 0.16 -1.73 1. a4 h4 2. h3 Rhe8 3. Kg1 c6
6 0.21 -1.09 1. Kg1 g4 2. Rf1 g3 3. Rac1 gxh2+ 4.
Kxh2 Qd6
6-> 0.27 -1.09 1. Kg1 g4 2. Rf1 g3 3. Rac1 gxh2+ 4.
Kxh2 Qd6
7 0.58 -1.37 1. Kg1 h4 2. Nd5 Bxd5 3. exd5 Rxd5
4. c3 Nf5
7 0.77 -1.09 1. Bf1 c6 2. Na4 Rhe8 3. Qc3 b6 4.
Kg1
7-> 0.85 -1.09 1. Bf1 c6 2. Na4 Rhe8 3. Qc3 b6 4.
Kg1
8 1.12 -1.25 1. Bf1 h4 2. Nd5 Qf7 3. c3 Nc6 4. c4
Nd4
8-> 1.77 -1.25 1. Bf1 h4 2. Nd5 Qf7 3. c3 Nc6 4. c4
Nd4
9 2.02 -1.38 1. Bf1 h4 2. Nd5 Qf7 3. c3 Nc6 4. d4
h3 5. Bc4 hxg2+ 6. Kxg2 cxd4 7. cxd4
9 4.56 -1.35 1. Na4 h4 2. h3 Nb5 3. Qa5 c6 4. c4
b6 5. Qa6
9-> 5.74 -1.35 1. Na4 h4 2. h3 Nb5 3. Qa5 c6 4. c4
b6 5. Qa6
10 9.30 -1.39 1. Na4 h4 2. h3 Rhe8 3. Kg1 Bd7 4.
c3 Ne6 5. a3 Bb5
10 10.71 -1.32 1. Bf1 h4 2. Nd5 Qf7 3. c3 Nc6 4. Qf2
Bxd5 5. exd5 Qxd5 6. Kg1
10-> 11.84 -1.32 1. Bf1 h4 2. Nd5 Qf7 3. c3 Nc6 4. Qf2
Bxd5 5. exd5 Qxd5 6. Kg1
11 16.48 -1.53 1. Bf1 h4 2. h3 Rhe8 3. Na4 Bd7 4.
Kg1 Qe5 5. c3 Nb5 6. Be2
11 22.21 -1.41 1. Na4 h4 2. h3 Bd7 3. Kg1 c4 4. Bd1
cxd3 5. cxd3 Rhe8 6. Qc3 Bf5
11-> 25.20 -1.41 1. Na4 h4 2. h3 Bd7 3. Kg1 c4 4. Bd1
cxd3 5. cxd3 Rhe8 6. Qc3 Bf5
12 39.03 -1.38 1. Na4 h4 2. h3 Bd7 3. c3 Nxe2 4. Rxe2
Bxa4 5. bxa4 Rhe8 6. Kg1 Qd7 7. Rd1
<HT>
12-> 43.52 -1.38 1. Na4 h4 2. h3 Bd7 3. c3 Nxe2 4. Rxe2
Bxa4 5. bxa4 Rhe8 6. Kg1 Qd7 7. Rd1
<HT>
13 1:42 -1.37 1. Na4 h4 2. h3 Bd7 3. c3 Nxe2 4. Rxe2
Bxa4 5. bxa4 Rd6 6. Kg1 Qd7 7. Rd1
Rd8 8. e5 fxe5 9. Rxe5 Qxa4
13-> 1:51 -1.37 1. Na4 h4 2. h3 Bd7 3. c3 Nxe2 4. Rxe2
Bxa4 5. bxa4 Rd6 6. Kg1 Qd7 7. Rd1
Rd8 8. e5 fxe5 9. Rxe5 Qxa4
14 3:41 -1.37 1. Na4 h4 2. h3 Bd7 3. c3 Nxe2 4. Rxe2
Bxa4 5. bxa4 Rd6 6. Kg1 Qd7 7. Rd1
Rd8 8. e5 fxe5 9. Rxe5 Qxa4
14-> 4:10 -1.37 1. Na4 h4 2. h3 Bd7 3. c3 Nxe2 4. Rxe2
Bxa4 5. bxa4 Rd6 6. Kg1 Qd7 7. Rd1
Rd8 8. e5 fxe5 9. Rxe5 Qxa4
15 21:57 -1.43 1. Na4 g4 2. Rac1 Qd6 3. c3 Nxe2 4.
Qxe2 gxf3 5. Qxf3 h4 6. Qf2 h3 7. Nxc5
hxg2+ 8. Kxg2 Bh3+ 9. Kh1 Rdg8 10.
Rg1
15-> 49:58 -1.43 1. Na4 g4 2. Rac1 Qd6 3. c3 Nxe2 4.
Qxe2 gxf3 5. Qxf3 h4 6. Qf2 h3 7. Nxc5
hxg2+ 8. Kxg2 Bh3+ 9. Kh1 Rdg8 10.
Rg1
16 66:42 -1.43 1. Na4 g4 2. Rac1 Qd6 3. c3 Nc6 4.
Red1 Rhg8 5. Rb1 Qe5 6. Rf1 g3 7. b4
cxb4 8. cxb4 gxh2 9. Nc5 Nd4 10. Nxe6
Qxe6 11. Kxh2
16-> 95:31 -1.43 1. Na4 g4 2. Rac1 Qd6 3. c3 Nc6 4.
Red1 Rhg8 5. Rb1 Qe5 6. Rf1 g3 7. b4
cxb4 8. cxb4 gxh2 9. Nc5 Nd4 10. Nxe6
Qxe6 11. Kxh2
17 154:20 -1.44 1. Na4 g4 2. Rac1 Qd6 3. c3 Nxe2 4.
Qxe2 Rhg8 5. Nb2 Qe5 6. Nc4 gxf3 7.
Nxe5 fxe2 8. Nf3 Rxd3 9. Rxe2 a5 10.
Rd2 Rxd2 11. Nxd2
17-> 570:43 -1.44 1. Na4 g4 2. Rac1 Qd6 3. c3 Nxe2 4.
Qxe2 Rhg8 5. Nb2 Qe5 6. Nc4 gxf3 7.
Nxe5 fxe2 8. Nf3 Rxd3 9. Rxe2 a5 10.
Rd2 Rxd2 11. Nxd2
18 842:40 -1.47 1. Na4 g4 2. c3 Nxe2 3. Rxe2 gxf3 4.
gxf3 Rhg8 5. Nb2 Qd6 6. Rg2 Rxg2 7.
Qxg2 h4 8. Qd2 f5 9. Re1 fxe4 10. Rxe4
Rf8 11. Nc4
18 1431:15 4/28* 1. Rab1
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