Chess Analysis Blog: October 2017

Sunday, October 22, 2017

Black to play for a strong advantage.

Indiana State Chess Championship, Indianapolis Indiana
Analysis of Qain, Bill (1744) vs. Coffey, John (2001)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	d4	d5
3.	e5	c5
4.	c3	Nc6
5.	Nf3	Qb6
6.	Bd3	cxd4
7.	cxd4	Bd7
8.	Bc2	Nb4
9.	Nc3	Nxc2+
10.	Qxc2	Rc8
11.	Bd2	Qa6
12.	Qb3	Ne7
13.	Rc1	Nf5
14.	Ne2	Rxc1+
15.	Nxc1	Be7
16.	Bb4	Ba4
17.	Qc3	O-O
18.	b3	Bb5
19.	a4	Bxb4
20.	Qxb4	Rc8
21.	Qd2	Qc6
22.	Na2	Qc2
23.	Qxc2	Rxc2
24.	axb5	Rxa2
25.	O-O	Ra5

Click here for 17. Qc3.

Wednesday, October 11, 2017

What is the strongest line for White?

Live Chess, Chess.com
Analysis of john2001plus (1847) vs. P135799 (1624)


8
7
6
5
4
3
2
1

-3

(white to move)

1.	Nf3	Nf6
2.	d4	e6
3.	c4	Bb4+
4.	Bd2	Qe7
5.	e3	Bxd2+
6.	Qxd2	O-O
7.	Nc3	Nc6
8.	Bd3	Nb4
9.	Bb1	c5
10.	O-O	b6
11.	a3	Nc6
12.	d5	exd5
13.	Nxd5	Nxd5
14.	cxd5	Ne5
15.	Nxe5	Qxe5
16.	f4	Qf6
17.	d6	Bb7
18.	e4	c4
19.	e5

White to play.

Live Chess, Chess.com
Analysis of john2001plus (1847) vs. P135799 (1624)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nf6
2.	d4	e6
3.	c4	Bb4+
4.	Bd2	Qe7
5.	e3	Bxd2+
6.	Qxd2	O-O
7.	Nc3	Nc6
8.	Bd3	Nb4
9.	Bb1	c5
10.	O-O	b6
11.	a3	Nc6
12.	d5	exd5
13.	Nxd5	Nxd5
14.	Qxd5	Bb7
15.	Rd1	Rad8
16.	Qe4	Qxe4
17.	Bxe4	Rfe8
18.	Bd5	h6
19.	b4	d6
20.	Rd2	Re7
21.	Bxc6	Bxc6
22.	bxc5	bxc5
23.	Rad1	Red7
24.	h3	f6
25.	Nh4	d5
26.	Nf5	Kf7
27.	cxd5	Ba4
28.	Rb1	Rxd5
29.	Rb7+	Rd5d7
30.	Rxa7	Rxa7
31.	Rxd8	Rc7
32.	Rd3

White to play.

Live Chess, Chess.com
Analysis of john2001plus (1847) vs. P135799 (1624)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nf6
2.	d4	e6
3.	c4	Bb4+
4.	Bd2	Qe7
5.	e3	Bxd2+
6.	Qxd2	O-O
7.	Nc3	Nc6
8.	Bd3	Nb4
9.	Bb1	c5
10.	O-O	b6
11.	a3	Nc6
12.	d5	exd5
13.	Nxd5	Nxd5
14.	Qxd5	Bb7
15.	Rd1	Rad8
16.	Qe4	Qxe4
17.	Bxe4	Rfe8
18.	Bd5	h6
19.	b4	d6
20.	Rd2	Re7
21.	Bxc6	Bxc6
22.	bxc5	bxc5
23.	Rad1	Red7
24.	h3	f6
25.	Nh4	d5
26.	Nf5	Kf7
27.	cxd5	Ba4
28.	Rb1	Rxd5
29.	Rb7+	Rd5d7
30.	Nd6+	Ke6
31.	Rxd7	Rxd7
32.	Nc4	Rxd2
33.	Nxd2	Kd5
34.	Kf1	c4
35.	Nb1	Bc2
36.	Nc3+	Ke5
37.	Ke2

White to play for a slight advantage.

ICC tourney 1309 (12 3), Internet Chess Club
Analysis of yoshi (1694) vs. Taechess (1632)


8
7
6
5
4
3
2
1

-3

(white to move)

1.	Nf3	Nf6
2.	d4	d5
3.	c4	dxc4
4.	e3	g6
5.	Bxc4	Bg7
6.	Nc3	O-O
7.	O-O	c6
8.	e4	Bg4
9.	Be3	Qb6
10.	e5	Nfd7
11.	Qb3	Qxb3
12.	Bxb3	Bxf3
13.	gxf3	Nb6
14.	Ne4	Na6
15.	Rac1	Nc7
16.	Nc5	Rab8
17.	a4	Rfd8
18.	Bg5	Nbd5
19.	Rfd1	h6
20.	Bh4	g5
21.	Bg3	e6
22.	Ne4	a6
23.	Nd6	Bf8
24.	Kf1	Ne8
25.	Ne4	Be7
26.	a5	h5
27.	h3	h4
28.	Bh2	Rbc8
29.	Nc5	Bxc5
30.	dxc5	Nf4
31.	Bxf4	gxf4
32.	Ke2	Nc7
33.	Bc4	Kf8
34.	Rd6

Sunday, October 8, 2017

White to play.

Live Chess, Chess.com
Analysis of john2001plus (1859) vs. pkengsoo (1547)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nf6
2.	d4	g6
3.	c4	Bg7
4.	Nc3	O-O
5.	Bg5	d6
6.	e3	Nbd7
7.	Be2	h6
8.	Bh4	e5
9.	Qc2	Re8
10.	O-O	exd4
11.	Nxd4	Ne5
12.	Rad1	Bf5
13.	Nxf5	gxf5
14.	Qxf5	Ng6
15.	Bg3	Nd7
16.	Nd5	b6
17.	Bh5	Nde5
18.	Qc2	c6
19.	f4	cxd5
20.	fxe5	Nxe5
21.	Bxe5	Rxe5
22.	Bxf7+	Kh8
23.	Bxd5

White to play.

Live Chess, Chess.com
Analysis of john2001plus (1859) vs. pkengsoo (1547)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nf6
2.	d4	g6
3.	c4	Bg7
4.	Nc3	O-O
5.	Bg5	d6
6.	e3	Nbd7
7.	Be2	h6
8.	Bh4	e5
9.	Qc2	Re8
10.	O-O	exd4
11.	Nxd4	Ne5
12.	Rad1	Bf5
13.	Nxf5	gxf5
14.	Qxf5	Ng6
15.	Bg3	Nd7
16.	Bh5	Nde5
17.	b3	Ne7
18.	Qc2	Qd7
19.	Bxe5	Bxe5
20.	h3	Qe6
21.	Bg4	Qg6
22.	Qxg6+	fxg6
23.	Nb5	d5
24.	cxd5	a6
25.	Nd4	h5
26.	Be6+	Kg7
27.	f4	Bd6
28.	Bd7	Nxd5
29.	e4	Ne3
30.	Bxe8	Rxe8
31.	Rd3	Rxe4
32.	Re1	Bc5
33.	Kf2	Ng4+
34.	hxg4	Bxd4+
35.	Kf1	Rxf4+
36.	Rf3

White to play for a strong advantage.

Live Chess, Chess.com
Analysis of john2001plus (1866) vs. SpeedyChess11 (1747)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nf6
2.	d4	e6
3.	c4	b6
4.	a3	Bb7
5.	Nc3	Be7
6.	d5	exd5
7.	cxd5	O-O
8.	e4	d6
9.	Bc4	Re8
10.	O-O	Nbd7
11.	Nd4	Ne5
12.	Bb5	Rf8
13.	f4	Ng6
14.	Nc6	Bxc6
15.	Bxc6	Rb8
16.	Qa4	a5
17.	Bb5	Ne8
18.	Ne2	Bf6
19.	Rd1	Ne7
20.	Qc2	g6
21.	Bd2	Bg7
22.	Bc3	Nf6
23.	Rac1	Nc8
24.	Nd4

White to play.

Live Chess, Chess.com
Analysis of john2001plus (1866) vs. SpeedyChess11 (1747)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nf6
2.	d4	e6
3.	c4	b6
4.	a3	Bb7
5.	Nc3	Be7
6.	d5	exd5
7.	cxd5	O-O
8.	e4	d6
9.	Bc4	Re8
10.	O-O	Nbd7
11.	Nd4	Ne5
12.	Bb5	Rf8
13.	f4	Ng6
14.	Bc6	Bxc6
15.	Nxc6	Qe8
16.	Qd3	Nd7
17.	Be3	a6
18.	Bd4	Bf6
19.	Bxf6	Nxf6
20.	Rae1

White to play.

Live Chess, Chess.com
Analysis of john2001plus (1866) vs. SpeedyChess11 (1747)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nf6
2.	d4	e6
3.	c4	b6
4.	a3	Bb7
5.	Nc3	Be7
6.	d5	exd5
7.	cxd5	O-O
8.	e4	d6
9.	Bc4	Re8
10.	O-O	Nbd7
11.	Nd4	Ne5
12.	Bb5	Rf8
13.	f4	Ng6
14.	Bc6	Bxc6
15.	Nxc6	Qd7
16.	Be3	Bd8
17.	Bd4	Re8
18.	Qc2	Nh5
19.	f5	Ne5
20.	Qe2	Nf6
21.	Bxe5	dxe5
22.	b4	Be7
23.	g4	h6
24.	h4	Nh7
25.	Qh2	Bd6
26.	Qg3	a5
27.	bxa5	bxa5
28.	g5	hxg5
29.	hxg5	f6
30.	g6	Ng5
31.	Ra2	Ra6
32.	Rh2	Bc5+
33.	Kh1	Nf7
34.	gxf7+	Qxf7
35.	Rh3	Qd7
36.	Qg6	a4
37.	Rh7	Rxc6
38.	Qh5	Kf8
39.	dxc6	Qf7
40.	Rh8+	Ke7
41.	Nd5+

White to play.

Live Chess, Chess.com
Analysis of john2001plus (1866) vs. SpeedyChess11 (1747)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nf6
2.	d4	e6
3.	c4	b6
4.	a3	Bb7
5.	Nc3	Be7
6.	d5	exd5
7.	cxd5	O-O
8.	e4	d6
9.	Bc4	Re8
10.	O-O	Nbd7
11.	Nd4	Ne5
12.	Bb5	Rf8
13.	f4	Ng6
14.	Bc6	Bxc6
15.	Nxc6	Qd7
16.	Be3	Ng4
17.	Bd4	Bf6
18.	h3	Bxd4+
19.	Qxd4	Nf6
20.	e5	Ne8
21.	Rae1	Ne7
22.	Qc4	a6
23.	Re2	Nxc6
24.	dxc6	Qe6
25.	Nd5	b5
26.	Qb3	dxe5
27.	Rxe5	Qd6
28.	Rd1	Qc5+
29.	Kh2	Qf2
30.	Re7	Rc8
31.	Rd7	Rb8
32.	Rd2	Qe1
33.	Qb4	h6
34.	Qc5	Qe4
35.	Rd4	Qb1
36.	Rd1	Qxb2
37.	Ne7+	Kh8
38.	Ng6+	fxg6
39.	Qxf8+	Kh7
40.	Rd8	Rxd8
41.	Rxd8	Qf6
42.	Rxe8

What is the best continuation for White?

Live Chess, Chess.com
Analysis of john2001plus (1866) vs. SpeedyChess11 (1747)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nf6
2.	d4	e6
3.	c4	b6
4.	a3	Bb7
5.	Nc3	Be7
6.	d5	exd5
7.	cxd5	O-O
8.	e4	d6
9.	Bc4	Re8
10.	O-O	Nbd7
11.	Nd4	Ne5
12.	Bb5	Rf8
13.	f4	Ng6
14.	Bc6	Bxc6
15.	Nxc6	Qd7
16.	Be3	Ng4
17.	Bd4	Bf6
18.	h3	Bxd4+
19.	Qxd4	Nf6
20.	e5	Ne8
21.	Rae1	dxe5
22.	fxe5	Kh8
23.	Rd1	Kg8
24.	Rf3	f5
25.	Qc4	Kh8
26.	Rdf1	Ne7
27.	Qb4	Ng6
28.	Qe4	Ne7
29.	Nxe7	Qxe7
30.	Rxf5	Rxf5
31.	Qxf5	h6
32.	Qf8+	Qxf8
33.	Rxf8+	Kh7
34.	Nb5	a5
35.	Nxc7	Nxc7
36.	Rxa8	Nxa8
37.	d6	Kg6
38.	d7

What is the best continuation for White?

Live Chess, Chess.com
Analysis of john2001plus (1866) vs. SpeedyChess11 (1747)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nf6
2.	d4	e6
3.	c4	b6
4.	a3	Bb7
5.	Nc3	Be7
6.	d5	exd5
7.	cxd5	O-O
8.	e4	d6
9.	Bc4	Re8
10.	O-O	Nbd7
11.	Nd4	Ne5
12.	Bb5	Rf8
13.	f4	Ng6
14.	Bc6	Bxc6
15.	Nxc6	Qd7
16.	Be3	Ng4
17.	Bd4	Bf6
18.	h3	Bxd4+
19.	Qxd4	Nf6
20.	e5	Ne8
21.	Rae1	dxe5
22.	fxe5	Ne7
23.	Nxe7+	Qxe7
24.	Qc4	Rd8
25.	Nb5	a6
26.	Na7	b5
27.	Nc6	bxc4
28.	Nxe7+	Kh8
29.	Rd1	Rd7
30.	Nc6	Rg8
31.	e6	fxe6
32.	dxe6	Rd6
33.	Ne5	g6
34.	Nf7+	Kg7
35.	Nxd6	Nxd6
36.	e7	Re8
37.	Rde1	Rb8
38.	Rf4	Re8
39.	Re6	Kg8
40.	Kf2

Sunday, October 1, 2017

Black to play.

ICC tourney 1318 (12 3), Internet Chess Club
Analysis of tangent (1982) vs. yoshi (1711)


1
2
3
4
5
6
7
8

(black to move)

1.	d4	Nf6
2.	c4	e6
3.	Nf3	b6
4.	g3	Bb7
5.	Bg2	Bb4+
6.	Nbd2	O-O
7.	O-O	d5
8.	Qc2	Nbd7
9.	Rd1	c5
10.	cxd5	Bxd5
11.	e4	Bb7
12.	e5	Bxd2
13.	exf6	Bxc1
14.	fxg7	Kxg7
15.	Raxc1	Rc8
16.	dxc5	Rxc5
17.	Qa4	Rxc1
18.	Rxc1	Bxf3
19.	Bxf3	Ne5
20.	Bg2	Qd2
21.	Rb1	Rc8
22.	Qxa7	Qd4
23.	Qb7	Rc2
24.	Rf1	Rxb2

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;