Chess Analysis Blog

This blog is for positions that don't neatly fit into the category of normal chess problms. Some of these positions are linked to by games on other blogs.

Saturday, February 21, 2015

Analysis

?, ?
Analysis vs. ?


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

-4

(black to move)

1.	f4	e5
2.	fxe5	d6
3.	exd6	Bxd6
4.	Nf3	g5
5.	g3	g4
6.	Nh4	Ne7
7.	d4	Ng6
8.	Nxg6	hxg6
9.	Qd3	Nc6
10.	c3	Bf5
11.	e4	Qe7
12.	Bg2	O-O-O
13.	Nd2	Be6
14.	O-O	Rxh2
15.	Kxh2	Qh4+
16.	Kg1	Bxg3
17.	Re1	Bxe1
18.	Qe3	Ne5
19.	dxe5	g3
20.	Qxe1	Qh2+
21.	Kf1	Rxd2
22.	Bxd2	Bc4+
23.	Qe2	Bxe2+

[ Flip the board | Reset | Options… ]

Play online chess

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

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Posted by John Coffey at 1:13 AM No comments:

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Analysis

?, ?
Analysis vs. ?


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

+1

(black to move)

1.	f4	e5
2.	fxe5	d6
3.	exd6	Bxd6
4.	Nf3	g5
5.	g3	g4
6.	Nh4	Ne7
7.	d4	Ng6
8.	Nxg6	hxg6
9.	Qd3	Nc6
10.	c3	Bf5
11.	e4	Qe7
12.	Bg2	O-O-O
13.	Nd2	Be6
14.	O-O	Rxh2
15.	Kxh2	Qh4+
16.	Kg1	Bxg3
17.	Rf4	Ne5
18.	Qe2	Bxf4
19.	d5	Rh8
20.	Nc4	Qh2+
21.	Kf1	Nxc4
22.	Qxc4	Bxc1
23.	dxe6	Qf4+
24.	Ke1	Qd2+
25.	Kf1	Qd1+
26.	Kf2	g3+
27.	Kxg3	Qe1+
28.	Kf3	Qe3+
29.	Kg4	Qf4#

[ Flip the board | Reset | Options… ]

Play chess online

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

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Posted by John Coffey at 1:11 AM No comments:

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Analysis

?, ?
Analysis vs. ?


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

-4

(black to move)

1.	f4	e5
2.	fxe5	d6
3.	exd6	Bxd6
4.	Nf3	g5
5.	g3	g4
6.	Nh4	Ne7
7.	d4	Ng6
8.	Nxg6	hxg6
9.	Qd3	Nc6
10.	c3	Bf5
11.	e4	Qe7
12.	Bg2	O-O-O
13.	Nd2	Be6
14.	O-O	Rxh2
15.	Kxh2	Qh4+
16.	Kg1	Bxg3
17.	Rf4	Ne5
18.	Qe2	Bxf4
19.	d5	Rh8
20.	Nc4	Qh2+
21.	Kf1	Nxc4
22.	Qxc4	Bxc1
23.	Qd4	Qf4+
24.	Qf2	Bd7
25.	Qxf4	Bxf4
26.	Kf2	f5

[ Flip the board | Reset | Options… ]

Play chess online

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

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Posted by John Coffey at 1:10 AM No comments:

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Analysis

?, ?
Analysis vs. ?


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

-4

(black to move)

1.	f4	e5
2.	fxe5	d6
3.	exd6	Bxd6
4.	Nf3	g5
5.	g3	g4
6.	Nh4	Ne7
7.	d4	Ng6
8.	Nxg6	hxg6
9.	Qd3	Nc6
10.	c3	Bf5
11.	e4	Qe7
12.	Bg2	O-O-O
13.	Nd2	Be6
14.	O-O	Rxh2
15.	Kxh2	Qh4+
16.	Kg1	Bxg3
17.	Rf6	Bh2+
18.	Kh1	Nxd4
19.	cxd4	Be5+
20.	Kg1	Bxd4+

[ Flip the board | Reset | Options… ]

Play online chess

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

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Posted by John Coffey at 1:08 AM No comments:

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Analysis

?, ?
Analysis vs. ?


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

-4

(black to move)

1.	f4	e5
2.	fxe5	d6
3.	exd6	Bxd6
4.	Nf3	g5
5.	g3	g4
6.	Nh4	Ne7
7.	d4	Ng6
8.	Nxg6	hxg6
9.	Qd3	Nc6
10.	c3	Bf5
11.	e4	Qe7
12.	Bg2	O-O-O
13.	Nd2	Be6
14.	O-O	Rxh2
15.	Kxh2	Qh4+
16.	Kg1	Bxg3
17.	Rf6	Bh2+
18.	Kf1	Qxf6+
19.	Ke1	Nxd4
20.	cxd4	Rxd4
21.	Qe2	Bf4
22.	Kd1	Bc4
23.	Qxg4+	Kd8
24.	Bf3	Bxd2
25.	Bxd2	Rxd2+
26.	Kxd2	Qxb2+
27.	Ke3	Qxa1
28.	Qg5+	Ke8

[ Flip the board | Reset | Options… ]

Play online chess

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

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Posted by John Coffey at 1:05 AM No comments:

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Analysis

May Speed Tournament, SLCC
Gordon, Steve (2100) vs. Coffey, John (1960)


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

-4

(black to move)

1.	f4	e5
2.	fxe5	d6
3.	exd6	Bxd6
4.	Nf3	g5
5.	g3	g4
6.	Nh4	Ne7
7.	d4	Ng6
8.	Nxg6	hxg6
9.	Qd3	Nc6
10.	c3	Bf5
11.	e4	Qe7
12.	Bg2	O-O-O
13.	Nd2	Be6
14.	O-O	Rxh2
15.	Kxh2	Qh4+
16.	Kg1	Bxg3
17.	Rd1	Nxd4
18.	cxd4	Bf2+
19.	Kf1	Bxd4
20.	Qe2	Qh2
21.	Nf3	gxf3
22.	Qxf3	Bc4+
23.	Ke1	Qg1+
24.	Kd2	Bxb2+
25.	Kc2	Rxd1
26.	Be3	Rd2+

[ Flip the board | Reset | Options… ]

Play chess online

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

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Posted by John Coffey at 1:03 AM No comments:

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Analysis

?, ?
Analysis vs. ?


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

-4

(black to move)

1.	f4	e5
2.	fxe5	d6
3.	exd6	Bxd6
4.	Nf3	g5
5.	g3	g4
6.	Nh4	Ne7
7.	d4	Ng6
8.	Nxg6	hxg6
9.	Qd3	Nc6
10.	c3	Bf5
11.	e4	Qe7
12.	Bg2	O-O-O
13.	Nd2	Be6
14.	O-O	Rxh2
15.	Kxh2	Qh4+
16.	Kg1	Bxg3
17.	Rf3	Bh2+
18.	Kf1	Ne5
19.	Qe3	gxf3
20.	Bxf3	Nxf3
21.	Qxf3	Bh3+

[ Flip the board | Reset | Options… ]

Play chess online

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

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Posted by John Coffey at 1:01 AM No comments:

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Analysis

?, ?
Analysis vs. ?


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

-4

(black to move)

1.	f4	e5
2.	fxe5	d6
3.	exd6	Bxd6
4.	Nf3	g5
5.	g3	g4
6.	Nh4	Ne7
7.	d4	Ng6
8.	Nxg6	hxg6
9.	Qd3	Nc6
10.	c3	Bf5
11.	e4	Qe7
12.	Bg2	O-O-O
13.	Nd2	Be6
14.	O-O	Rxh2
15.	Kxh2	Qh4+
16.	Kg1	Bxg3
17.	Rf3	Bh2+
18.	Kf1	Ne5
19.	Qb5	gxf3
20.	Nxf3	Nxf3
21.	Bxf3	Bg4
22.	Bxg4+	Qxg4
23.	Ke1	Rh8
24.	Qe2	Bg3+

[ Flip the board | Reset | Options… ]

Play chess online

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

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Posted by John Coffey at 12:59 AM No comments:

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Analysis

?, ?
Analysis vs. ?


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

-3

(black to move)

1.	f4	e5
2.	fxe5	d6
3.	exd6	Bxd6
4.	Nf3	g5
5.	g3	g4
6.	Nh4	Ne7
7.	d4	Ng6
8.	Nxg6	hxg6
9.	Qd3	Nc6
10.	c3	Bf5
11.	e4	Qe7
12.	Bg2	O-O-O
13.	Nd2	Be6
14.	O-O	Rxh2
15.	Kxh2	Qh4+
16.	Kg1	Bxg3
17.	Rf3	Bh2+
18.	Kf1	Ne5
19.	dxe5	gxf3
20.	Nxf3	Qg3
21.	Qe2	Rd1+

[ Flip the board | Reset | Options… ]

Play chess online

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

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Posted by John Coffey at 12:57 AM No comments:

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Analysis

?, ?
Analysis vs. ?


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

+2

(black to move)

1.	f4	e5
2.	fxe5	d6
3.	exd6	Bxd6
4.	Nf3	g5
5.	g3	g4
6.	Nh4	Ne7
7.	d4	Ng6
8.	Nxg6	hxg6
9.	Qd3	Nc6
10.	c3	Bf5
11.	e4	Qe7
12.	Bg2	O-O-O
13.	Nd2	Be6
14.	O-O	Rxh2
15.	Kxh2	Qh4+
16.	Kg1	Bxg3
17.	Rf3	Bh2+
18.	Kf1	Ne5
19.	dxe5	gxf3
20.	Qxf3	Rxd2
21.	Bxd2	Bc4+
22.	Qe2	Bxe2+
23.	Kxe2	Bxe5
24.	Rh1	Qg4+
25.	Bf3	Qe6
26.	b3	Qa6+

[ Flip the board | Reset | Options… ]

Play online chess

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

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Posted by John Coffey at 12:54 AM No comments:

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Analysis

?, ?
Analysis vs. ?


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

+2

(black to move)

1.	f4	e5
2.	fxe5	d6
3.	exd6	Bxd6
4.	Nf3	g5
5.	g3	g4
6.	Nh4	Ne7
7.	d4	Ng6
8.	Nxg6	hxg6
9.	Qd3	Nc6
10.	c3	Bf5
11.	e4	Qe7
12.	Bg2	O-O-O
13.	Nd2	Be6
14.	O-O	Rxh2
15.	Kxh2	Qh4+
16.	Kg1	Bxg3
17.	Rf3	Bh2+
18.	Kf1	Ne5
19.	dxe5	gxf3
20.	Qxf3	Rxd2
21.	Bxd2	Bc4+
22.	Qe2	Bxe2+
23.	Kxe2	Bxe5
24.	Rh1	Qg4+
25.	Bf3	Qe6
26.	a3	Qa6+
27.	Kd1	Qd3
28.	Bg4+	f5
29.	exf5	Qb1+
30.	Bc1	Qd3+
31.	Bd2	Qb1+
32.	Bc1	gxf5
33.	Bh5	Qd3+
34.	Bd2	Bf4
35.	Rh2	Qb1+
36.	Ke2	Bxh2

[ Flip the board | Reset | Options… ]

Play online chess

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

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Posted by John Coffey at 12:53 AM No comments:

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Analysis

?, ?
Analysis vs. ?


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

+2

(black to move)

1.	f4	e5
2.	fxe5	d6
3.	exd6	Bxd6
4.	Nf3	g5
5.	g3	g4
6.	Nh4	Ne7
7.	d4	Ng6
8.	Nxg6	hxg6
9.	Qd3	Nc6
10.	c3	Bf5
11.	e4	Qe7
12.	Bg2	O-O-O
13.	Nd2	Be6
14.	O-O	Rxh2
15.	Kxh2	Qh4+
16.	Kg1	Bxg3
17.	Rf3	Bh2+
18.	Kf1	Ne5
19.	dxe5	gxf3
20.	Qxf3	Rxd2
21.	Bxd2	Bc4+
22.	Qe2	Bxe2+
23.	Kxe2	Bxe5
24.	Rh1	Qg4+
25.	Bf3	Qe6
26.	a3	Qa6+
27.	Ke3	Qb6+

[ Flip the board | Reset | Options… ]

Play online chess

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

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Posted by John Coffey at 12:50 AM No comments:

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Analsyis

?, ?
Analysis vs. ?


1
2
3
4
5
6
7
8

h

g

f

e

d

c

b

a

-4

(black to move)

1.	f4	e5
2.	fxe5	d6
3.	exd6	Bxd6
4.	Nf3	g5
5.	g3	g4
6.	Nh4	Ne7
7.	d4	Ng6
8.	Nxg6	hxg6
9.	Qd3	Nc6
10.	c3	Bf5
11.	e4	Qe7
12.	Bg2	O-O-O
13.	Nd2	Be6
14.	O-O	Rxh2
15.	Kxh2	Qh4+
16.	Kg1	Bxg3
17.	Rf3	Bh2+
18.	Kf1	Ne5
19.	dxe5	gxf3
20.	Qxf3	Rxd2
21.	Bxd2	Bc4+
22.	Qe2	Bxe2+
23.	Kxe2	Bxe5
24.	Rh1	Qg4+
25.	Bf3	Qe6
26.	a3	Qa6+
27.	Ke1	Qd3
28.	Rh3	Qb1+

[ Flip the board | Reset | Options… ]

Play chess online

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

Pawn promotion:
	- Queen
	- Rook
	- Bishop
	- Knight

Posted by John Coffey at 12:48 AM No comments:

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