Chess Analysis Blog: November 2019

Sunday, November 24, 2019

What is the fastest path to victory for Black?

ICC tourney 1755 (12 3), Internet Chess Club
Analysis of lewisischess (1427) vs. john2001plus (1727)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	d4	d5
3.	Nc3	Nf6
4.	e5	Nfd7
5.	Nf3	c5
6.	Be3	Nc6
7.	dxc5	Ndxe5
8.	Nxe5	Nxe5
9.	Bd4	Nc6
10.	Bb5	Bd7
11.	Bxc6	Bxc6
12.	O-O	Qa5
13.	Re1	Bxc5
14.	Bxg7	Rg8
15.	Rxe6+	fxe6
16.	Qh5+	Kd7
17.	Qf7+	Be7
18.	Bf6	Qd8
19.	Re1	Rxg2+
20.	Kf1	d4
21.	Qxe6+	Kc7
22.	Qxe7+	Qxe7
23.	Rxe7+	Kd6
24.	Ne4+	Bxe4
25.	Rxe4	Rxh2
26.	Rxd4+	Ke6
27.	Bg5	Rc8
28.	c3	Rc5
29.	Be3	Rd5
30.	Re4+	Kd7
31.	Ke2	a6
32.	Rg4	Rh1
33.	Rg7+	Kc6
34.	a4	h5
35.	b4	Rd7
36.	Rg6+	Rd6
37.	Rg8	h4
38.	a5	h3
39.	Rc8+	Kd7
40.	Rh8	Rg6
41.	Rh7+	Kc6
42.	Kd3	Rd6+
43.	Kc4	Rg6
44.	Bd4	Rg4
45.	Rh6+	Kd7
46.	Rh7+	Kc8
47.	Rh8+	Kd7
48.	Rh7+	Ke6
49.	Rxb7	Kf5
50.	Rf7+	Kg6
51.	Rf6+	Kg5
52.	Rxa6	h2
53.	Ra8	Rd1
54.	Rg8+	Kf5
55.	Rf8+	Ke6
56.	Rf6+	Ke7
57.	Rh6	h1=Q
58.	Rxh1	Rxh1
59.	a6	Kd6
60.	Kb5	Ra1
61.	Kb6	Rf4
62.	b5	Rf7
63.	Bc5+	Kd5
64.	Bd4	Ra3
65.	f4	Rxf4
66.	Kc7	Rf7+
67.	Kb8	Rb3
68.	b6	Kc6
69.	Bc5	Kxc5
70.	b7	Kc6
71.	Ka8	Ra3
72.	b8=N+	Kb6
73.	Nd7+	Rxd7
74.	a7	Rd8#

Click here for 67... Ra5.
Click here for 73. c4.

What is the fastest path to victory?

ICC tourney 1755 (12 3), Internet Chess Club
Analysis of lewisischess (1427) vs. john2001plus (1727)


8
7
6
5
4
3
2
1

-3

(black to move)

1.	e4	e6
2.	d4	d5
3.	Nc3	Nf6
4.	e5	Nfd7
5.	Nf3	c5
6.	Be3	Nc6
7.	dxc5	Ndxe5
8.	Nxe5	Nxe5
9.	Bd4	Nc6
10.	Bb5	Bd7
11.	Bxc6	Bxc6
12.	O-O	Qa5
13.	Re1	Bxc5
14.	Bxg7	Rg8
15.	Rxe6+	fxe6
16.	Qh5+	Kd7
17.	Qf7+	Be7
18.	Bf6	Qd8
19.	Re1	Rxg2+
20.	Kf1	d4
21.	Qxe6+	Kc7
22.	Qxe7+	Qxe7
23.	Rxe7+	Kd6
24.	Ne4+	Bxe4
25.	Rxe4	Rxh2
26.	Rxd4+	Ke6
27.	Bg5	Rc8
28.	c3	Rc5
29.	Be3	Rd5
30.	Re4+	Kd7
31.	Ke2	a6
32.	Rg4	Rh1
33.	Rg7+	Kc6
34.	a4	h5
35.	b4	Rd7
36.	Rg6+	Rd6
37.	Rg8	h4
38.	a5	h3
39.	Rc8+	Kd7
40.	Rh8	Rg6
41.	Rh7+	Kc6
42.	Kd3	Rd6+
43.	Kc4	Rg6
44.	Bd4	Rg4
45.	Rh6+	Kd7
46.	Rh7+	Kc8
47.	Rh8+	Kd7
48.	Rh7+	Ke6
49.	Rxb7	Kf5
50.	Rf7+	Kg6
51.	Rf6+	Kg5
52.	Rxa6	h2
53.	Ra8	Rd1
54.	Rg8+	Kf5
55.	Rf8+	Ke6
56.	Rf6+	Ke7
57.	Rh6	h1=Q
58.	Rxh1	Rxh1
59.	a6	Kd6
60.	Kb5	Ra1
61.	Kb6	Rf4
62.	b5	Rf7
63.	Bc5+	Kd5
64.	Bd4	Ra3
65.	f4	Rxf4
66.	Kc7	Rf7+
67.	Kb8	Rf8+
68.	Kb7	Rf7+
69.	Kc8	Kd6
70.	a7	Rfxa7
71.	Bxa7	Rxa7
72.	Kb8	Ra4
73.	b6	Kc6
74.	b7	Kd7
75.	c4	Rxc4
76.	Ka7	Ra4+
77.	Kb8	Rb4
78.	Ka7	Kc7

Saturday, November 23, 2019

What is the fastest path to victory?

ICC tourney 1755 (12 3), Internet Chess Club
Analysis of lewisischess (1427) vs. john2001plus (1727)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	d4	d5
3.	Nc3	Nf6
4.	e5	Nfd7
5.	Nf3	c5
6.	Be3	Nc6
7.	dxc5	Ndxe5
8.	Nxe5	Nxe5
9.	Bd4	Nc6
10.	Bb5	Bd7
11.	Bxc6	Bxc6
12.	O-O	Qa5
13.	Re1	Bxc5
14.	Bxg7	Rg8
15.	Rxe6+	fxe6
16.	Qh5+	Kd7
17.	Qf7+	Be7
18.	Bf6	Qd8
19.	Re1	Rxg2+
20.	Kf1	d4
21.	Qxe6+	Kc7
22.	Qxe7+	Qxe7
23.	Rxe7+	Kd6
24.	Ne4+	Bxe4
25.	Rxe4	Rxh2
26.	Rxd4+	Ke6
27.	Bg5	Rc8
28.	c3	Rc5
29.	Be3	Rd5
30.	Re4+	Kd7
31.	Ke2	a6
32.	Rg4	Rh1
33.	Rg7+	Kc6
34.	a4	h5
35.	b4	Rd7
36.	Rg6+	Rd6
37.	Rg8	h4
38.	a5	h3
39.	Rc8+	Kd7
40.	Rh8	Rg6
41.	Rh7+	Kc6
42.	Kd3	Rd6+
43.	Kc4	Rg6
44.	Bd4	Rg4
45.	Rh6+	Kd7
46.	Rh7+	Kc8
47.	Rh8+	Kd7
48.	Rh7+	Ke6
49.	Rxb7	Kf5
50.	Rf7+	Kg6
51.	Rf6+	Kg5
52.	Rxa6	h2
53.	Ra8	Rd1
54.	Rg8+	Kf5
55.	Rf8+	Ke6
56.	Rf6+	Ke7
57.	Rh6	h1=Q
58.	Rxh1	Rxh1
59.	a6	Kd6
60.	Kb5	Ra1
61.	Kb6	Rf4
62.	b5	Rf7
63.	Bc5+	Kd5
64.	Bd4	Ra3
65.	f4	Rxf4
66.	Kc7	Rf7+
67.	Kb8	Ra5
68.	Kc8	Rxb5
69.	c4+	Kxc4
70.	Bf2	Rg5
71.	Bh4	Rg8+
72.	Bd8	Ra7
73.	Kb8	Rd7
74.	a7	Rgxd8#

Thursday, November 21, 2019

White to play

Casual Game, https://itsyourturn.com, http://gameknot.com/
John Coffey vs. kesbor


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	d5
2.	d4	e6
3.	c4	Nf6
4.	Nc3	c5
5.	cxd5	exd5
6.	Bg5	Be6
7.	e3	Nc6
8.	Bb5	a6
9.	Bxc6+	bxc6
10.	O-O	Be7
11.	dxc5	Bxc5
12.	Qa4	Qb6
13.	Bxf6	gxf6
14.	Rac1	Be7
15.	Nd4	Bd7
16.	Qc2	Rc8
17.	Nf5	Bf8
18.	Rfe1	Be6
19.	Ne2	Qc7
20.	Ned4	c5
21.	e4	Kd8
22.	Qd3	Bxf5
23.	Nxf5	d4
24.	Nxd4	Qd6
25.	Qc4

White to play

Casual Game, https://itsyourturn.com, http://gameknot.com/
John Coffey vs. kesbor


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	d5
2.	d4	e6
3.	c4	Nf6
4.	Nc3	c5
5.	cxd5	exd5
6.	Bg5	Be6
7.	e3	Nc6
8.	Bb5	a6
9.	Bxc6+	bxc6
10.	O-O	Be7
11.	dxc5	Bxc5
12.	Qa4	Qb6
13.	Bxf6	gxf6
14.	Rac1	Be7
15.	Nd4	Bd7
16.	Qc2	Rc8
17.	Nf5	Bf8
18.	Rfe1	Be6
19.	Ne2	Qc7
20.	Ned4	c5
21.	e4	Kd8
22.	Qd3	Bxf5
23.	Nxf5	d4
24.	Nxd4	Qd6
25.	Qc4

White to play

Casual Game, https://itsyourturn.com, http://gameknot.com/
John Coffey vs. kesbor


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	d5
2.	d4	e6
3.	c4	Nf6
4.	Nc3	c5
5.	cxd5	exd5
6.	Bg5	Be6
7.	e3	Nc6
8.	Bb5	a6
9.	Bxc6+	bxc6
10.	O-O	Be7
11.	dxc5	Bxc5
12.	Qa4	Qb6
13.	Bxf6	gxf6
14.	Rac1	Be7
15.	Nd4	Bd7
16.	Qc2	Rc8
17.	Nf5	Bf8
18.	Rfe1	Be6
19.	Ne2	Qc7
20.	Ned4	c5
21.	e4	Kd8
22.	Qd3	Bxf5
23.	Nxf5	d4
24.	Nxd4	Qd6
25.	Qc4

White to play

Casual Game, https://itsyourturn.com, http://gameknot.com/
John Coffey vs. kesbor


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	d5
2.	d4	e6
3.	c4	Nf6
4.	Nc3	c5
5.	cxd5	exd5
6.	Bg5	Be6
7.	e3	Nc6
8.	Bb5	a6
9.	Bxc6+	bxc6
10.	O-O	Be7
11.	dxc5	Bxc5
12.	Qa4	Qb6
13.	Bxf6	gxf6
14.	Rac1	Be7
15.	Nd4	Bd7
16.	Qc2	Rc8
17.	Nf5	Bf8
18.	Rfe1	Be6
19.	Ne2	Qc7
20.	Ned4	c5
21.	e4	Kd8
22.	Qd3	Bxf5
23.	Nxf5	d4
24.	Nxd4	Qd6
25.	Qc4

White to play

Casual Game, https://itsyourturn.com, http://gameknot.com/
John Coffey vs. kesbor


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	d5
2.	d4	e6
3.	c4	Nf6
4.	Nc3	c5
5.	cxd5	exd5
6.	Bg5	Be6
7.	e3	Nc6
8.	Bb5	a6
9.	Bxc6+	bxc6
10.	O-O	Be7
11.	dxc5	Bxc5
12.	Qa4	Qb6
13.	Bxf6	gxf6
14.	Rac1	Be7
15.	Nd4	Bd7
16.	Qc2	Rc8
17.	Nf5	Bf8
18.	Rfe1	Be6
19.	Ne2	Qc7
20.	Ned4	c5
21.	e4	Kd8
22.	Qd3	Bxf5
23.	Nxf5	d4
24.	Nxd4	Qd6
25.	Qc4

White to play

Casual Game, https://itsyourturn.com, http://gameknot.com/
John Coffey vs. kesbor


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	d5
2.	d4	e6
3.	c4	Nf6
4.	Nc3	c5
5.	cxd5	exd5
6.	Bg5	Be6
7.	e3	Nc6
8.	Bb5	a6
9.	Bxc6+	bxc6
10.	O-O	Be7
11.	dxc5	Bxc5
12.	Qa4	Qb6
13.	Bxf6	gxf6
14.	Rac1	Be7
15.	Nd4	Bd7
16.	Qc2	Rc8
17.	Nf5	Bf8
18.	Rfe1	Be6
19.	Ne2	Qc7
20.	Ned4	c5
21.	e4	Kd8
22.	Qd3	Bxf5
23.	Nxf5	d4
24.	Nxd4	Qd6
25.	Qc4

Sunday, November 17, 2019

What is the best move for Black?

ICC tourney 1751 (12 3), Internet Chess Club
pawninthegrass (1528) vs. john2001plus (1727)


1
2
3
4
5
6
7
8

+11

(black to move)

1.	g3	e5
2.	Bg2	d5
3.	d3	Nf6
4.	Bg5	Bc5
5.	e3	c6
6.	d4	exd4
7.	exd4	Bd6
8.	Ne2	O-O
9.	O-O	h6
10.	Bf4	Bg4
11.	f3	Bf5
12.	g4	Bg6
13.	Qd2	Re8
14.	Nbc3	Qc7
15.	Rae1	Nbd7
16.	Bxd6	Qxd6
17.	h3	b5
18.	Nd1	Re7
19.	Nf2	Rae8
20.	c3	a5
21.	Nd3	Bxd3
22.	Qxd3	Re3
23.	Qd2	Qe7
24.	Kf2	Nh7
25.	Ng3	Rxe1
26.	Rxe1	Qxe1+
27.	Qxe1	Rxe1
28.	Kxe1	g6
29.	f4	Nhf6
30.	Ke2	Kf8
31.	Ke3	Ke7
32.	g5	hxg5
33.	fxg5	Nh7
34.	h4	f6
35.	gxf6+	Nhxf6
36.	Kf4	Nh7
37.	Bh3	Nb6
38.	b3	Kf6
39.	h5	Ng5
40.	Bg4	gxh5
41.	Nxh5+	Kg6
42.	Ng3	Kf6
43.	Bf5	Nf7
44.	Nh5+	Ke7
45.	Bg6	Nd6
46.	Ng3	a4
47.	Nf5+	Nxf5
48.	Bxf5	Kd6
49.	Kg5	axb3
50.	axb3	c5
51.	Bd3	c4
52.	bxc4	dxc4
53.	Be4	Na4
54.	Kf4	Nxc3
55.	Bf3	b4
56.	Ke3	b3
57.	Bh5	b2
58.	Bg6	b1=Q
59.	Bxb1	Nxb1
60.	Ke4	Kc6
61.	Ke5	c3
62.	Ke6	c2
63.	d5+	Kc5
64.	d6	c1=Q
65.	d7	Qg5

Thursday, November 7, 2019

What is the best continuation for White?

Casual 5+2, Greenwood Chess Club
Analysis of Coffey, John (2016) vs. Gusev, Dmitri (1865)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nc6
2.	d4	e6
3.	c4	d6
4.	Nc3	Nf6
5.	e4	e5
6.	Bg5	h6
7.	Bxf6	gxf6
8.	Nd5	f5
9.	dxe5	Nxe5
10.	exf5	Bxf5
11.	Nxe5	dxe5
12.	Qh5	c6
13.	Qxf5	cxd5
14.	Qxe5+	Qe7
15.	Qxe7+	Bxe7
16.	cxd5	Bb4+
17.	Kd1	Rd8
18.	Bc4

White to play

Casual 5+2, Greenwood Chess Club
Analysis of Coffey, John (2016) vs. Gusev, Dmitri (1865)


8
7
6
5
4
3
2
1

-2

(white to move)

1.	Nf3	Nc6
2.	d4	e6
3.	c4	d6
4.	Nc3	Nf6
5.	e4	e5
6.	Bg5	h6
7.	Bxf6	gxf6
8.	Nd5	f5
9.	Bd3	fxe4
10.	Bxe4	f5
11.	Nxe5	Nxe5
12.	dxe5	fxe4
13.	Qh5+	Kd7
14.	Qg4+	Ke8
15.	Qg6+	Kd7
16.	Nf6+	Ke7
17.	O-O-O	h5
18.	Nd5+	Kd7
19.	e6+	Kc6
20.	Qxe4	Bxe6
21.	Nf4+

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;