Chess Analysis Blog: February 2016

Monday, February 29, 2016

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-4

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxe5
12.	dxe5	Nfd7
13.	Bxe6	Nc5
14.	Qd5	Nd3+
15.	Kf1	fxe6
16.	Qxe6+	Kh8
17.	Kg1	Rxf2
18.	h3	Qf8
19.	Qg4	Rf1+
20.	Kh2	Rxh1+

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-2

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxe5
12.	dxe5	Nfd7
13.	Bxe6	Nc5
14.	Bxf7+	Rxf7
15.	Qc3	Nd3+
16.	Kf1	Rxf2+
17.	Kg1	Rxg2+
18.	Kxg2	Qg5+
19.	Kf1	Qf4+
20.	Kg2	Qf3+

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-1

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxe5
12.	dxe5	Nfd7
13.	Bxe6	Nc5
14.	Bxf7+	Rxf7
15.	Qc3	Nd3+
16.	Ke2	Nd7
17.	e6	Rxf2+
18.	Ke3	Qg5+
19.	Kd4	Qe5+
20.	Kc4	Rc8+
21.	Kb3	Qxb5+
22.	Ka3	Rxc3+
23.	dxc3	Qa6+

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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8

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxe5
12.	dxe5	Nfd7
13.	Bxe6	Nc5
14.	Bxf7+	Rxf7
15.	Qc3	Nd3+
16.	Ke2	Nd7
17.	e6	Rxf2+
18.	Kd1	Nd7e5
19.	e7	Qxe7
20.	Kc2	Qe6
21.	Kd1	Rc8
22.	Qb3	Qxb3+
23.	axb3	Nxb2+
24.	Ke1	Ned3#

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-1

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxe5
12.	dxe5	Nfd7
13.	Bxe6	Nc5
14.	Bxf7+	Rxf7
15.	Qc3	Nd3+
16.	Ke2	Nd7
17.	e6	Rxf2+
18.	Kd1	Nd7e5
19.	e7	Qxe7
20.	Kc2	Qe6
21.	Kd1	Rc8
22.	Na3	e3
23.	Kc2	exd2
24.	Rhd1	Nb4+
25.	Kb1	Qf5+
26.	Nc2	Rxc3

Click here for 14. Qd5
Click here for 16. Kf1
Click here for 18. Ke3
Click here for 22. Qb3
22. ... Nxb2 is also just as fast producing checkmate.

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-4

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	a6
13.	O-O	axb5
14.	Qxb5	Nc6
15.	Nxc6	bxc6
16.	Qxc6	Bxh2+
17.	Kxh2	Qb8+
18.	Kg1	Rc8

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-2

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	a6
13.	O-O	axb5
14.	Qxb5	Nc6
15.	Qxb7	Na5
16.	Qb5	Rb8

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-2

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	a6
13.	O-O	axb5
14.	Qxb5	Nc6
15.	h3	Bc7
16.	Nxc6	bxc6
17.	Qxc6	Rc8
18.	Kh1	Bb8
19.	Qb7	Re8
20.	Bc3	Qd6
21.	g3	Qe6
22.	Kh2	Qf5
23.	f4	Nh5
24.	g4	Bxf4+
25.	Kh1	Qg5
26.	gxh5	Qg3
27.	Rxf4	Qxh3+
28.	Kg1	Qg3+
29.	Kh1	Qxf4
30.	Na3	Qf3+
31.	Kg1	Qg4+
32.	Kf2	Rxc3
33.	dxc3	e3+
34.	Ke1	Qg1+
35.	Ke2	Qxa1
36.	Qb3	Qg1
37.	Qb1	Qg2+
38.	Kd3	Qd2+
39.	Kc4	Rc8+
40.	Kd5	e2
41.	Nc2	Qxc3
42.	Ne1	Rd8+
43.	Ke5	Qxd4+

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-2

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	a6
13.	O-O	axb5
14.	Qxb5	Nc6
15.	h3	Bc7
16.	Nxc6	bxc6
17.	Qxc6	Rc8
18.	Kh1	Bb8
19.	Qb7	Re8
20.	Bc3	Qd6
21.	g3	Qe6
22.	Kh2	Qf5
23.	Na3	Nd5
24.	Qb5	Re6
25.	Qd7	Rf8
26.	Rab1	Nf4
27.	g4	Qxg4
28.	hxg4	Rh6+
29.	Kg1	Ne2+

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-1

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	a6
13.	O-O	axb5
14.	Qxb5	Nc6
15.	h3	Bc7
16.	Nxc6	bxc6
17.	Qxc6	Rc8
18.	Kh1	Bb8
19.	Qb7	Re8
20.	Bc3	Qd6
21.	g3	Qe6
22.	Kh2	Qf5
23.	Na3	Nd5
24.	Qb5	Re6
25.	Rg1	Rh6
26.	Qf1	Nxc3
27.	dxc3	Rxc3
28.	Nc4	Rc2
29.	Rb1	Rxf2+
30.	Rg2	Bxg3+
31.	Kg1	Rxf1+
32.	Rxf1	Qxh3

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-1

(white to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	a6
13.	O-O	axb5
14.	Qxb5	Nc6
15.	h3	Bc7
16.	Nxc6	bxc6
17.	Qxc6	Rc8
18.	Kh1	Bb8
19.	Qb7	Re8
20.	Bc3	Qd6
21.	g3	Qe6
22.	Kh2	Qf5
23.	Na3	Nd5
24.	Qb5	Re6
25.	Rg1	Rh6
26.	Qf1	Nxc3
27.	dxc3	Rxc3
28.	Qg2	Rxa3
29.	Rab1	Bd6
30.	Rb3	Rxa2
31.	Rf1	Qd5
32.	Rfb1	g5
33.	Kg1	Qxd4
34.	Re3	Rf6
35.	Rf1	Rfxf2
36.	Rxf2	Qxe3
37.	g4	Bg3

Click here for 15. Nxc6
Click here for 16. Qxb7
Click here for 23. f4
Click here for 25. Qd7
Click here for 28. Nc4

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-1

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	Nbd7
13.	Qb3	Bxe5
14.	dxe5	Nc5
15.	Qh3	Nd3+
16.	Kf1	Nd5
17.	Bd4	Nd5b4
18.	Qe3	Rc8
19.	Bc3	Nc2

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-1

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	Nbd7
13.	Qb3	Bxe5
14.	dxe5	Nc5
15.	Qh3	Nd3+
16.	Kf1	Nd5
17.	Bc3	Rc8
18.	a4	f5
19.	a5	Nd3f4
20.	Qg3	Nxc3
21.	Nxc3	Qxd2
22.	Qe3	Qxc3

Click here for 17. Bd4

Sunday, February 28, 2016

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-1

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	Nbd7
13.	Qb3	Bxe5
14.	dxe5	Nc5
15.	Qg3	Nh5
16.	Qe3	Nd3+
17.	Kf1	Nxb2
18.	g4	Re8
19.	gxh5	Nc4
20.	Qg3	Rxe5
21.	Rg1	Qf6
22.	Ke1	Rd8
23.	a4	Rxh5
24.	Ra3	Ne5
25.	Kd1	Nf3
26.	Rh1	Qb2
27.	Ke2	Rg5
28.	Qf4	Rg1
29.	Rxg1	Nxg1+
30.	Kf1	Qxb1+
31.	Kg2	Ne2
32.	Qg4	Qg1+
33.	Kh3	Qxf2
34.	Rg3	Nf4+
35.	Kh4	Ng6+
36.	Kh3	Qf1+
37.	Rg2	Rd3+
38.	Qf3	Rxf3+
39.	Kg4	Qxg2+

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-4

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	Nbd7
13.	Qb3	Bxe5
14.	dxe5	Nc5
15.	Qg3	Nh5
16.	Qe3	Nd3+
17.	Kf1	Nxb2
18.	g4	Re8
19.	gxh5	Nc4
20.	Qxe4	Rxe5
21.	Qxc4	Rc8
22.	Qg4	Qd3+
23.	Kg2	Rc4

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-1

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	Nbd7
13.	Qb3	Bxe5
14.	dxe5	Nc5
15.	Qg3	Nh5
16.	Qe3	Nd3+
17.	Kf1	Nxb2
18.	g4	Re8
19.	gxh5	Nc4
20.	Qxe4	Rxe5
21.	Qxc4	Rc8
22.	Qb3	Rc1+
23.	Kg2	Rg5+
24.	Kf3	Qf6+
25.	Ke2	Re5+
26.	Qe3	Rxh1

Click here for 20. Qg3
Click here for 22. Qg4

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-1

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	Nbd7
13.	Qb3	Bxe5
14.	dxe5	Nc5
15.	Qc3	Nd3+
16.	Ke2	Nd5
17.	Qd4	Nxb2
18.	Qxb2	Nf4+
19.	Kd1	Nd3

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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8

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	Nbd7
13.	Qb3	Bxe5
14.	dxe5	Nc5
15.	Qc3	Nd3+
16.	Kd1	Ng4
17.	Rf1	Rc8
18.	Qa3	Nxh2
19.	Re1	Nxf2+
20.	Ke2	Nd3
21.	Nc3	Qh4
22.	Rf1	Qg4+
23.	Ke3	Nxf1+
24.	Rxf1	Qg3+
25.	Kxe4	Rc4+
26.	Kd5	Qg4

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-1

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	Nbd7
13.	Qb3	Bxe5
14.	dxe5	Nc5
15.	Qc3	Nd3+
16.	Kd1	Ng4
17.	Rf1	Rc8
18.	Qa3	Nxh2
19.	Rg1	Nxf2+
20.	Ke2	Nd3
21.	Nc3	Qd4
22.	Rh1	Qf2+
23.	Kd1	e3
24.	Kc2	Qxd2+
25.	Kb3	Nc5+
26.	Kc4	Qd3+
27.	Kb4	Qd4+

Click here for 16. Ke2
Click here for 19. Re1

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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-1

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	Nbd7
13.	Qb3	Bxe5
14.	dxe5	Nc5
15.	Qa3	Nd3+
16.	Ke2	Ng4
17.	f3	Qh4
18.	fxg4	Qxg4+
19.	Ke3	Qxg2
20.	Nc3	Qf2+
21.	Kxe4	Rfd8
22.	Ne2	Qxe2+
23.	Kf5	g6+
24.	Kg5	Qh5+

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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8

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	Nbd7
13.	Qb3	Bxe5
14.	dxe5	Nc5
15.	Qa3	Nd3+
16.	Ke2	Ng4
17.	Rf1	Qh4
18.	h3	Ngxf2
19.	Nc3	Nf4+
20.	Ke3	Qg3+
21.	Kd4	Qd3+
22.	Kc5	a5
23.	bxa6 e.p.	Rfc8+
24.	Kb4	Qc4+

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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8

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	Nbd7
13.	Qb3	Bxe5
14.	dxe5	Nc5
15.	Qa3	Nd3+
16.	Ke2	Ng4
17.	Rf1	Qh4
18.	h3	Ngxf2
19.	Rg1	Qh5+
20.	Ke3	Qg5+
21.	Kd4	Rac8
22.	Qd6	Nxb2
23.	Qd5	Qf4
24.	Qd7	e3+
25.	Kd5	Qc4+
26.	Kd6	Qc5#

Analysis

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Analysis

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Analysis

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Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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8

(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	Nbd7
13.	Qb3	Bxe5
14.	dxe5	Nc5
15.	Qa3	Nd3+
16.	Ke2	Ng4
17.	Rf1	Qh4
18.	h3	Ngxf2
19.	Rg1	Qh5+
20.	Ke3	Qg5+
21.	Ke2	Nxh3
22.	Rf1	Qxg2+
23.	Ke3	Qxf1
24.	Kxe4	Rad8
25.	Bd4	Ng5+
26.	Ke3	Qf3#

Analysis

?, ?
Analysis of Steve Salo vs. John Coffey


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(black to move)

1.	b4	c5
2.	b5	d5
3.	Bb2	d4
4.	c3	e5
5.	cxd4	cxd4
6.	Nf3	Bd6
7.	e3	Nf6
8.	exd4	e4
9.	Ne5	O-O
10.	Qb3	Be6
11.	Bc4	Bxc4
12.	Qxc4	Nbd7
13.	Qb3	Bxe5
14.	dxe5	Nc5
15.	Qa3	Nd3+
16.	Ke2	Ng4
17.	Rf1	Qh4
18.	h3	Ngxf2
19.	Rg1	Qh5+
20.	Ke3	Qg5+
21.	Ke2	Nxh3
22.	Rf1	Qxg2+
23.	Ke3	Qxf1
24.	Nc3	Ne1
25.	Kd4	Qd3+
26.	Kc5	Rfc8+
27.	Kb4	a5+
28.	bxa6 e.p.	Qc4+

Options:
	- allow legal moves only;
	- use short algebraic notation;
movement/animation speed: (slow) (fast)
	- show legal moves;

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Options:
	- allow legal moves only;
	- use short algebraic notation;
movement/animation speed: (slow) (fast)
	- show legal moves;

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Options:
	- allow legal moves only;
	- use short algebraic notation;
movement/animation speed: (slow) (fast)
	- show legal moves;