Chess Level 10: 2018

Saturday, December 29, 2018

What is the strongest continuation for Black?

Casual Game, https://itsyourturn.com
Analysis of Schulze vs. John Coffey


1
2
3
4
5
6
7
8

-2

(black to move)

1.	f4	e5
2.	d4	exd4
3.	Qxd4	Nc6
4.	Qe4+	Be7
5.	f5	Nf6
6.	Qf4	O-O
7.	Nf3	d5
8.	Nc3	Bd6
9.	Qh4	Nb4
10.	Kd1	Bxf5
11.	Bg5	Bxc2+
12.	Kd2	d4
13.	Qxd4	Bg6
14.	Bxf6	gxf6
15.	Rc1	c5
16.	Qc4	Bxh2+
17.	Ke3	Bg3
18.	Nh4	Bh5
19.	Rh3	Re8+
20.	Ne4	Qd6
21.	Rxg3+	Qxg3+
22.	Nf3	f5
23.	Kd2	Rxe4
24.	Qc3	Rd8+

Click here for 17. Nd4.
Click here for 17. Nd4.

Thursday, December 6, 2018

Black to play for a winning position

Live Chess, Chess.com
Analysis of KingsBishop (1626) vs. john2001plus (1840)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	d4	d5
3.	Nc3	Nf6
4.	Bg5	Bb4
5.	e5	h6
6.	Bd2	Bxc3
7.	Bxc3	Ne4
8.	Nf3	O-O
9.	Bd3	Nxc3
10.	bxc3	c5
11.	O-O	Nc6
12.	a3	Qa5
13.	Qe1	c4
14.	Be2	Qa4
15.	Qb1	b5
16.	Nd2	Qa5
17.	Qb2	Qb6
18.	a4	b4
19.	Nf3	bxc3
20.	Qxb6	axb6
21.	Rfb1	Bd7
22.	Rxb6	Rfb8
23.	Rxb8+	Rxb8
24.	a5	Ra8
25.	h3	Rb8
26.	a6	Na7
27.	g4	Rb2
28.	Bd1	Kf8
29.	Kf1	Ke7
30.	Ne1	Kd8
31.	f4	Kc7
32.	Kf2	Rb6
33.	Ke3	Bb5
34.	Nf3	Rxa6
35.	Rxa6	Bxa6
36.	Ng1	Nb5
37.	Ne2	Kb6
38.	f5	Bc8
39.	Kf4	Kc7
40.	h4	Kd8
41.	Ng3	Ke7
42.	Nh5	g6
43.	fxg6	fxg6
44.	Nf6	g5+
45.	hxg5	hxg5+
46.	Kxg5	Nxd4
47.	Kg6	Nc6
48.	Ng8+	Kf8
49.	Nf6	Nxe5+
50.	Kh5	Bd7
51.	g5	Be8+
52.	Kh6	Bg6
53.	Be2	Kf7
54.	Bd1	Be4
55.	Nxe4	dxe4
56.	Bh5+	Kg8
57.	g6	Nc6
58.	g7	e3
59.	Kg6	Ne7+
60.	Kf6	Nd5+
61.	Ke5	Kxg7
62.	Bd1	Kg6
63.	Ke4	Kf6
64.	Bg4	Nb4
65.	Kd4	Nxc2+
66.	Kxc3	Kg5
67.	Be2	Ne1
68.	Kxc4	Kf4
69.	Kc3	Nf3
70.	Kd3	e5
71.	Kc3	Nd4

Sunday, November 18, 2018

What is the strongest continuation for Black?

ICC tourney 1543 (12 3), Internet Chess Club
Analysis of IAlwaysWin (1732) vs. john2001plus (1731)


1
2
3
4
5
6
7
8

(black to move)

1.	Nf3	Nf6
2.	e3	e6
3.	b3	b6
4.	Bb2	Bb7
5.	c4	c5
6.	Be2	Nc6
7.	O-O	Be7
8.	Nc3	O-O
9.	d3	d5
10.	Rc1	d4
11.	exd4	cxd4
12.	Nb5	e5
13.	Nd2	a6
14.	Na3	Nd7
15.	Bf3	Nc5
16.	Qe2	Nb4
17.	Bxb7	Nxb7
18.	Nf3	Nxa2
19.	Ra1	Nc3
20.	Bxc3	dxc3
21.	Nxe5	Bxa3
22.	Rxa3	Qd6
23.	Raa1	Rfe8
24.	f4	f6
25.	Qf3	Nc5
26.	Nc6	Nxb3
27.	Rae1	Nd2
28.	Ne7+	Kf8
29.	Qh5	Nxf1
30.	Qxh7	Qd4+
31.	Kh1	Ne3
32.	Ng6+	Kf7
33.	Qh5	Ke6
34.	Nh4	Kd6
35.	Qe2	c2
36.	Qd2	Nxc4
37.	Nf5+	Kc5
38.	Nxd4	Nxd2
39.	Nxc2	Rxe1+
40.	Nxe1	a5

Click here for 31... Rxe7.
Click here for 32. Nd5.
Click here for 34. Qf3.

Saturday, October 20, 2018

Mate in 10

October 2018 Open Main #1 Tournament, https://itsyourturn.com
Analysis of John Coffey vs. Csonka Andrews


8
7
6
5
4
3
2
1

-5

(white to move)

1.	d4	d5
2.	c4	e6
3.	Nf3	Nd7
4.	Nc3	Ngf6
5.	Bf4	dxc4
6.	e4	Nb6
7.	Bxc4	Bd7
8.	Bd3	Bb4
9.	O-O	O-O
10.	Rc1	Bc6
11.	e5	Nfd5
12.	Bxh7+	Kxh7
13.	Ng5+	Kg6
14.	Qd3+	f5
15.	exf6 e.p.+	Kxf6
16.	Be5+	Kxg5
17.	Qh7	Rf4
18.	g3	Qf6
19.	Ne4+	Rxe4
20.	f4+	Nxf4
21.	gxf4+	Rxf4
22.	Bxf4+	Qxf4
23.	Qxg7+	Kh5
24.	Rxf4	Rg8
25.	Qxg8	Be7
26.	Qh7+	Kg5
27.	Rcf1	Bf3
28.	Rf1xf3	e5
29.	h4#

Friday, October 19, 2018

White to play

October 2018 Open Main #1 Tournament, https://itsyourturn.com
John Coffey vs. Csonka Andr?s


8
7
6
5
4
3
2
1

-3

(white to move)

1.	d4	d5
2.	c4	e6
3.	Nf3	Nd7
4.	Nc3	Ngf6
5.	Bf4	dxc4
6.	e4	Nb6
7.	Bxc4	Bd7
8.	Bd3	Bb4
9.	O-O	O-O
10.	Rc1	Bc6
11.	e5	Nfd5
12.	Bxh7+	Kh8
13.	Bb1	Nxf4
14.	h4	Bxf3
15.	Qxf3	Qxh4
16.	g3	Nh3+
17.	Kg2	Qh6
18.	Rh1	Kg8
19.	Ne2	Rfd8
20.	Rxh3	Qd2
21.	Rch1	Kf8
22.	Bg6	f5
23.	exf6 e.p.	Qh6
24.	Rxh6	gxh6
25.	Rxh6	Kg8
26.	Qh5	Rd5
27.	Rh8#

Thursday, October 11, 2018

White to play

Live Chess, Chess.com
analysis of john2001plus (1759) vs. JourneytoNM (1522)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	d5
2.	d4	Nf6
3.	c4	dxc4
4.	e3	e6
5.	Bxc4	a6
6.	O-O	Be7
7.	Nc3	O-O
8.	e4	b5
9.	Bd3	Bb7
10.	a3	Nbd7
11.	Qc2	h6
12.	b4	Nb6
13.	Ne5	Nfd7
14.	Nf3	Nf6
15.	Be3	Rc8
16.	e5	Nfd5
17.	Ne4	Nxe3
18.	fxe3	Bxe4
19.	Bxe4	Nd5
20.	Bxd5	Qxd5
21.	e4	Qd7
22.	Rac1	c6
23.	Rfd1	Qa7
24.	Qf2	a5
25.	d5	Qxf2+
26.	Kxf2	axb4
27.	d6	Bd8
28.	axb4	Bb6+
29.	Ke2	Rfd8
30.	Nd4	Bxd4
31.	Rxd4	f6
32.	exf6	gxf6
33.	Rf1	Kg7
34.	e5	f5
35.	g4	Rf8
36.	gxf5	exf5
37.	Rdf4	c5
38.	d7	Rcd8
39.	e6	Kf6
40.	Rxf5+	Kxe6
41.	Rxf8	Rxd7
42.	Rf8f6+	Kd5
43.	Rd1+	Ke5
44.	Rxd7	Kxf6
45.	bxc5

Click here for 37... Rce8
Click here for 37... Rce8
Click here for 39... Rf6
Click here for 42... Ke7

Monday, September 17, 2018

White to play

ICC tourney 1199 (12 3), Internet Chess Club
analysis of yoshi (1700) vs. StrayLight (1323)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	e6
2.	d4	f5
3.	c4	Nf6
4.	Nc3	Be7
5.	g3	O-O
6.	Bg2	d6
7.	O-O	a5
8.	Qc2	Nc6
9.	a3	e5
10.	d5	Nb8
11.	e4	f4
12.	gxf4	exf4
13.	Bxf4	Nh5
14.	Be3	Qe8
15.	e5	Bf5
16.	Qd2	Qg6
17.	Kh1	Bg4
18.	exd6	Bxd6
19.	Nh4	Qf6
20.	Bg5	Qe5
21.	f4	Nxf4
22.	Bxf4	Rxf4
23.	Rxf4	g5
24.	Raf1	gxf4
25.	Bf3	Bxf3+
26.	Nxf3	Qf5
27.	Rg1+	Kf7
28.	Qg2	Na6
29.	Qg7+	Ke8
30.	Re1+	Kd8
31.	Ne4	Be7
32.	Nd4	Qg6
33.	Ne6+	Kc8
34.	Qh8+	Kd7
35.	Qxa8	f3
36.	Nf4	Qb6
37.	d6	cxd6
38.	Nf6+	Kc6
39.	Qe8+	Kc5
40.	Ne6+	Kxc4
41.	Qa4+	Kd3
42.	Nf4+	Kd2
43.	Qd1#

Friday, August 31, 2018

White to play and win

Blitz:15'+10, New Whiteland IN
Analysis of John Coffey vs. Alexander Netipanov, 900+10


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	Nc6
2.	d4	d5
3.	c4	e6
4.	Nc3	Bb4
5.	Bf4	Nf6
6.	e3	h6
7.	Rc1	Ne4
8.	Bd3	Nxc3
9.	bxc3	Ba5
10.	O-O	O-O
11.	e4	dxe4
12.	Bxe4	Ne7
13.	Qd2	c6
14.	Bxh6	f5
15.	Bd3	gxh6
16.	Qxh6	Rf7
17.	Ng5	Rg7
18.	Nxe6	Bxe6
19.	Qxe6+	Kh7
20.	Bxf5+	Nxf5
21.	Qxf5+	Kh6
22.	Rce1	Rg6
23.	Re3	Qg5
24.	Rh3+	Kg7
25.	Qd7+	Kg8
26.	Qh7+	Kf8
27.	Rf3+	Rf6
28.	Rg3	Rh6
29.	Qxb7	Qf6
30.	Rf3	Re8
31.	Qxc6	Bd8
32.	Rxf6+

Sunday, August 19, 2018

Black to play for a strong advantage

Live Chess, Chess.com
Analysis of cristianp84 (1530) vs. john2001plus (1782)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	d3	d5
3.	e5	c5
4.	c3	Nc6
5.	Qe2	Nge7
6.	Be3	Ng6
7.	d4	cxd4
8.	cxd4	Qb6
9.	a3	Bd7
10.	Nh3	Na5
11.	b4	Nc4
12.	Nd2	Nxe3
13.	Qxe3	a5
14.	bxa5	Rxa5
15.	Rb1	Qa7
16.	Rb3	Rxa3
17.	Rxa3	Bxa3
18.	Be2	Nh4
19.	O-O	Nf5
20.	Qd3	Bb2
21.	Rb1	Bxd4
22.	Nf3	Bc5
23.	Qb3	Bc6

Friday, August 17, 2018

What is the strongest continuation for White?

Live Chess, Chess.com
john2001plus (1849) vs. Chief523 (1820)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	d5
2.	d4	Nf6
3.	c4	c6
4.	e3	Bg4
5.	Qb3	Qb6
6.	Ne5	Qxb3
7.	axb3	e6
8.	Nxg4	Nxg4
9.	Nc3	Bb4
10.	Bd2	Nf6
11.	Bd3	h6
12.	O-O	Nbd7
13.	Rfd1	O-O
14.	Nxd5	Nxd5
15.	cxd5	Bxd2
16.	dxc6	bxc6
17.	Rxd2	Rfb8
18.	Bc4	Nf6
19.	f3	Rd8
20.	e4	c5
21.	Rad1	cxd4
22.	Rxd4	Rxd4
23.	Rxd4	Rb8
24.	e5	Ne8
25.	Rd7	Ra8
26.	f4	g6
27.	g4	Ng7
28.	Kf2	h5
29.	h3	hxg4
30.	hxg4	Kf8
31.	Ke3	Ke8
32.	Rb7	Kf8
33.	b4	Ne8
34.	f5	gxf5
35.	gxf5	Ng7
36.	fxe6	Nxe6
37.	Bxe6	fxe6
38.	Rh7	Kg8
39.	Rb7	Kf8
40.	b5

Click here for a similar line.

Thursday, August 16, 2018

Black to play for a strong advantage

Live Chess, Chess.com
Aksh0412 (1638) vs. john2001plus (1850)


1
2
3
4
5
6
7
8

-1

(black to move)

1.	e4	e6
2.	d3	d5
3.	Nd2	dxe4
4.	dxe4	e5
5.	Ngf3	Bc5
6.	Bd3	Nc6
7.	O-O	Nf6
8.	c3	O-O
9.	h3	Be6
10.	Qc2	Bb6
11.	b4	Qd7
12.	a4	a6
13.	Rd1	Bxh3
14.	gxh3	Qxh3
15.	Bf1	Qg3+
16.	Kh1	Qxf2
17.	Bg2	Ng4
18.	Qa2	Ne3
19.	Rg1	Rad8
20.	Nb3	Qg3
21.	Bxe3	Bxe3
22.	Rgd1	Nd4
23.	Nbxd4	exd4
24.	Rxd4	Bxd4
25.	cxd4

Sunday, August 12, 2018

Black to play

Blitz:3'+2, New Whiteland IN
Analysis of Branimir Vujic vs. Zsuzsa Polgar, 180+2


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	d3	d5
3.	Nd2	Nf6
4.	Ngf3	Nc6
5.	g3	dxe4
6.	dxe4	e5
7.	Bg2	Bc5
8.	O-O	O-O
9.	Qe2	Qe7
10.	c3	a5
11.	a4	b6
12.	Nc4	Ba6
13.	b3	b5
14.	axb5	Bxb5
15.	Nfd2	Nd7
16.	Qd1	Rfd8
17.	Re1	Qf6
18.	Ne3	Bxe3
19.	Rxe3	Nc5
20.	Bf1	Bxf1
21.	Qxf1	Qe6
22.	Qb5	Nxb3
23.	Qxb3	Rxd2
24.	Qxe6	Rd1+
25.	Kg2	fxe6
26.	Bb2	Rxa1
27.	Bxa1	a4
28.	Rd3	Rb8
29.	c4	Rb1
30.	Ra3	Rb4
31.	Rc3	Nd4
32.	Rc1	a3
33.	Bxd4	exd4
34.	Ra1	Rb3
35.	Kf1	Kf7
36.	Ke2	e5
37.	Kd2	g5
38.	Kc2	Rf3
39.	Kb1	Ke6
40.	Ka2	Kd6
41.	Rb1	Kc5
42.	Rb7	c6
43.	Rxh7	d3
44.	Rd7	Rxf2+
45.	Kxa3	Kxc4

Saturday, July 21, 2018

What is the strongest continuation for Black?

Casual Game, https://itsyourturn.com
rupertguinness vs. John Coffey


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	d4	d5
3.	e5	c5
4.	Bb5+	Bd7
5.	Bxd7+	Nxd7
6.	Nf3	cxd4
7.	Qxd4	Ne7
8.	Nc3	Nc6
9.	Qf4	Qc7
10.	Be3	Ndxe5
11.	Nxe5	Qxe5
12.	O-O-O	Rc8
13.	Qxe5	Nxe5
14.	Bxa7	Bb4
15.	Ne2	Ra8
16.	Bd4	Nc4
17.	a3	O-O
18.	Kb1	Bd6
19.	h4	f6
20.	g3	e5
21.	Bc3	d4
22.	Bb4	Bxb4
23.	axb4	Ra4
24.	c3	dxc3
25.	bxc3	Ra3
26.	Rd7	Rb3+
27.	Kc2	Rb2+
28.	Kd3	Rd2+
29.	Kxc4	Rxd7
30.	b5	Rc8+
31.	Kb4	Rd2
32.	Re1	b6
33.	c4	Rc2
34.	Nc3	Rb2+
35.	Ka3	Rxf2
36.	Kb3	Rf3
37.	Rg1	Rd8
38.	g4	Rdd3
39.	Rc1	Rf4
40.	Kb4	Rxg4
41.	Na4	Rd6
42.	h5	Kf7
43.	Kb3	Rh4
44.	c5	Rh3+
45.	Rc3	Rxc3+
46.	Kxc3	bxc5
47.	b6	g5
48.	hxg6 e.p.+	hxg6
49.	b7	Rd8
50.	Nxc5	Rb8
51.	Kc4	g5
52.	Ne4	g4
53.	Kd5	f5
54.	Nd2	e4
55.	Nc4	g3
56.	Ne3	f4
57.	Nc4	g2
58.	Ne5+	Kg7

Sunday, July 15, 2018

Black to play and win

Casual Game, https://itsyourturn.com
Analysis of Irina Lutikova vs. John Coffey


1
2
3
4
5
6
7
8

-1

(black to move)

1.	c4	e5
2.	e3	Nf6
3.	d3	d5
4.	cxd5	Nxd5
5.	Bd2	Nc6
6.	Nc3	Be6
7.	Nf3	Qd7
8.	Be2	f6
9.	O-O	O-O-O
10.	a3	g5
11.	h3	h5
12.	Nxd5	Bxd5
13.	Nh2	g4
14.	hxg4	hxg4
15.	Bxg4	Be6
16.	Bxe6	Qxe6
17.	Qe2	Bd6
18.	g3	Rxh2
19.	Kxh2	Rh8+
20.	Kg2	Qh3+
21.	Kf3	e4+
22.	Kxe4	Qh7+
23.	Kf3	Ne5+
24.	Kf4	Nf7+
25.	Kf3	Ng5+
26.	Kg2	Qh2#

Monday, July 9, 2018

Black to Play

Casual Game, https://itsyourturn.com
robin the hood vs. John Coffey


1
2
3
4
5
6
7
8

(black to move)

1.	e4	c5
2.	c3	Nf6
3.	e5	Nd5
4.	Nf3	d6
5.	Bc4	Nb6
6.	Bxf7+	Kxf7
7.	Ng5+	Kg8
8.	e6	Qe8
9.	Qe2	Qg6
10.	g3	Qxg5
11.	f4	Qd5
12.	Rg1	Bxe6
13.	d3	Nc6
14.	Na3	Bf5
15.	Be3	Bxd3
16.	Qd2	Nc4
17.	Nxc4	Bxc4
18.	Qf2	Bxa2
19.	Rd1	Qe4
20.	h4	d5
21.	g4	d4
22.	cxd4	cxd4
23.	Rf1	dxe3
24.	Qf3	Qb4+
25.	Ke2	Qxb2+
26.	Kxe3	e5
27.	fxe5	Bc5+
28.	Kd3	Rd8+
29.	Ke4	Qxe5#

Saturday, July 7, 2018

Black to Play

Casual Game, https://itsyourturn.com
Analysis of robin the hood vs. John Coffey


1
2
3
4
5
6
7
8

(black to move)

1.	e4	c5
2.	c3	Nf6
3.	e5	Nd5
4.	Nf3	d6
5.	Bc4	Nb6
6.	Bxf7+	Kxf7
7.	Ng5+	Kg8
8.	e6	Qe8
9.	Qe2	Qg6
10.	g3	Qxg5
11.	f4	Qd5
12.	Rg1	Bxe6
13.	d3	Nc6
14.	Na3	Bf5
15.	Be3	Bxd3
16.	Qd2	Nc4
17.	Nxc4	Bxc4
18.	Qf2	Bxa2
19.	Rd1	Qe4
20.	h4	d5
21.	g4	d4
22.	cxd4	cxd4
23.	Rf1	dxe3
24.	Qf3	Qb4+
25.	Ke2	Qxb2+
26.	Kxe3	e5
27.	fxe5	Bc5+
28.	Kd3	Rd8+
29.	Qd5+	Rxd5+
30.	Ke4	Rxe5+
31.	Kf4	Qh2+
32.	Kf3	Re3#

Wednesday, June 27, 2018

What is the strongest continuation for White?

Casual Game, https://itsyourturn.com
Analysis of John Coffey vs. Craig Foose


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	a5
2.	e4	c6
3.	d4	b5
4.	c4	a4
5.	cxb5	Qa5+
6.	Bd2	Qb6
7.	Nc3	Bb7
8.	Nxa4	Qd8
9.	b6	Nf6
10.	Bd3	d5
11.	e5	Ng4
12.	e6	f6
13.	Bxh7	Rxh7
14.	Qc2	Qc8
15.	Qg6+	Kd8
16.	Nc5	Rh8
17.	Qxg4	Na6
18.	Nd7	g5
19.	Nde5	fxe5
20.	Nxg5	Ke8
21.	Nf7	Rh7
22.	Nd6+	exd6
23.	Qg6+	Kd8
24.	Bg5+	Re7
25.	Bxe7+	Bxe7
26.	Qg8+

Sunday, June 10, 2018

Mate in 7.

Live Chess, Chess.com
Analysis of Mustangcoffee (1523) vs. john2001plus (1840)


1
2
3
4
5
6
7
8

(black to move)

1.	e4	e6
2.	c4	d5
3.	cxd5	exd5
4.	exd5	Nf6
5.	Bb5+	Bd7
6.	Bc4	Bg4
7.	Nf3	Nxd5
8.	Qe2+	Be7
9.	h3	Be6
10.	Nc3	Nf4
11.	Qf1	Nxg2+
12.	Qxg2	Bxc4
13.	Qxg7	Bf6
14.	Qh6	Nc6
15.	Qe3+	Qe7
16.	d3	Be6
17.	Bd2	O-O-O
18.	O-O-O	Nb4
19.	Qxa7	Nxd3+
20.	Kb1	Nxb2
21.	Kxb2	Rxd2+
22.	Rxd2	Qb4+
23.	Kc1	Qxc3+
24.	Kd1	Qxf3+
25.	Kc1	Qxh1+
26.	Kc2	Qe4+
27.	Kc1	Qc4+
28.	Rc2	Qf1+
29.	Kd2	Rd8+
30.	Ke3	Bg5+
31.	Kf3	Qh1+
32.	Ke2	Qd1#

Click here for 28. Kd1.
Click here for 30. Qd4.
Click here for 31. f4.

Sunday, May 27, 2018

White to play and win

ICC tourney 1444 (12 3), Internet Chess Club
Analysis of IAlwaysWin (1624) vs. john2001plus (1773)


8
7
6
5
4
3
2
1

-1

(white to move)

1.	d4	Nf6
2.	c4	e6
3.	Nf3	b6
4.	g3	Bb4+
5.	Bd2	Bxd2+
6.	Qxd2	O-O
7.	Bg2	Bb7
8.	Nc3	d5
9.	Ne5	Ne4
10.	Nxe4	dxe4
11.	Ng4	f5
12.	Ne3	Nd7
13.	O-O	Nf6
14.	Nc2	c5
15.	Rfd1	Rc8
16.	b3	Qe7
17.	dxc5	Qxc5
18.	Qd6	Rfd8
19.	Qxc5	bxc5
20.	Kf1	Ng4
21.	h3	Ne5
22.	Ke1	g5
23.	Rxd8+	Rxd8
24.	Rd1	Rxd1+
25.	Kxd1	Kf7
26.	Kd2	f4
27.	gxf4	gxf4
28.	e3	Nd3
29.	exf4	Nxf2
30.	Ne3	Kf6
31.	Kc3	Nd3
32.	a3	Nxf4
33.	b4	Ke5
34.	bxc5	Bc6
35.	Bf1	h5
36.	Nc2	a5
37.	Ne3	Kf6
38.	Nc2	e5
39.	Ne3	Kg5
40.	Kd2	Kh4
41.	Nf5+	Kg5
42.	Ne7	Bd7
43.	c6	Be6
44.	c7	Nxh3
45.	Ke3	Kf6
46.	c8=Q	Bxc8
47.	Nxc8	Nf4
48.	c5	Ke6
49.	Kxe4	Kd7
50.	Nd6	Ng6
51.	Bb5+	Ke7
52.	Nc8+	Kd8
53.	Nb6	h4
54.	Nd5	h3
55.	c6	h2
56.	c7+	Kc8
57.	Ba6+	Kd7
58.	c8=Q+	Kd6
59.	Qc7+	Ke6
60.	Bc8#

Tuesday, May 15, 2018

Black to play and win

ICC 30 0, Internet Chess Club
fiddler (1723) vs. john2001plus (1880)


1
2
3
4
5
6
7
8

(black to move)

1.	d4	Nf6
2.	c4	e6
3.	Nf3	b6
4.	Nc3	Bb4
5.	Bd2	O-O
6.	g3	Bb7
7.	Bg2	d6
8.	O-O	Nbd7
9.	Rc1	c5
10.	a3	Bxc3
11.	Bxc3	Ne4
12.	b4	Nxc3
13.	Rxc3	Qe7
14.	dxc5	dxc5
15.	b5	Rfd8
16.	Rd3	a6
17.	a4	axb5
18.	axb5	e5
19.	Nh4	e4
20.	Rd6	Ne5
21.	Rxd8+	Qxd8
22.	Qc2	Qd4
23.	Rc1	Ra1
24.	Rxa1	Qxa1+
25.	Bf1	g6
26.	e3	g5
27.	f4	exf3 e.p.
28.	Qd2	gxh4
29.	Qd8+	Kg7
30.	Qg5+	Ng6
31.	gxh4	Qe1
32.	Qg3	Qxe3+
33.	Qf2	Qc1
34.	Qg3	h5
35.	Qg5	Qe1
36.	Qg3	Qe3+
37.	Qf2	Qc1
38.	Qg3	Kh7
39.	Qg5	Qe1
40.	Qg3	Qd1
41.	h3	Be4
42.	Qf2	Bd3
43.	Kh2	Bxf1
44.	Qg3	Qe2+
45.	Kg1	Qg2+
46.	Qxg2	fxg2
47.	Kh2	Nf4

Wednesday, May 2, 2018

What is the strongest continuation for Black?

Live Chess, Chess.com
Analysis of Coupra (2034) vs. John2001plus (1826)


1
2
3
4
5
6
7
8

-1

(black to move)

1.	e4	e6
2.	d4	d5
3.	e5	c5
4.	c3	Nc6
5.	Nf3	Qb6
6.	Be2	cxd4
7.	cxd4	Nh6
8.	Bxh6	Qxb2
9.	Nbd2	gxh6
10.	Rb1	Qxa2
11.	O-O	Bb4
12.	Ra1	Qb2
13.	Rb1	Qa2
14.	Nb3	Na5
15.	Bb5+	Bd7
16.	Bxd7+	Kxd7
17.	Qd3	Qa4
18.	Nc5+	Bxc5
19.	dxc5	Rac8
20.	Rfc1	b6
21.	cxb6	Rxc1+
22.	Rxc1	axb6
23.	Qc3	Qc4
24.	Qb2	Qb3
25.	Qd4	Qb5
26.	h3	Nc4
27.	Nh4	Rg8
28.	Kh2	Qb2
29.	Rxc4	Qxd4
30.	Rxd4	b5
31.	Rb4	Rb8
32.	Nf3	Kc6
33.	Rb2	b4
34.	Nd2	Kc5
35.	Kg3	Kd4
36.	f4	Kc3
37.	Ra2	b3
38.	Nxb3	Rxb3
39.	Ra7	Kd4+
40.	Kg4	Ke4
41.	Rxf7	d4
42.	Rxh7	d3
43.	Ra7	d2
44.	Ra1	Rd3
45.	Rd1	Ke3
46.	f5	Rd5
47.	fxe6	Rxe5
48.	g3	Rg5+
49.	Kh4	Ke2
50.	Rb1	d1=Q
51.	Rxd1	Kxd1
52.	e7	Re5
53.	g4	Ke2
54.	e8=Q	Rxe8
55.	Kh5	Rg8
56.	Kxh6	Kf3
57.	g5	Kf4
58.	h4	Kf5
59.	Kh7	Rg6
60.	h5	Rxg5
61.	h6	Kf6
62.	Kh8	Rh5
63.	h7	Re5

Friday, April 27, 2018

Black to play for mate.

Live Chess, Chess.com
Analysis of SpeedyChess11 (1735) vs. john2001plus (1877)


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.	Be2	cxd4
7.	cxd4	Nge7
8.	Nc3	Nf5
9.	Na4	Bb4+
10.	Kf1	Qd8
11.	a3	Be7
12.	g3	O-O
13.	Kg2	Bd7
14.	Nc3	Rc8
15.	h4	f6
16.	h5	fxe5
17.	dxe5	h6
18.	Bf4	Qb6
19.	Nxd5	Qd8
20.	Nc3	Ncd4
21.	Nxd4	Nxd4
22.	Bd3	Rxc3
23.	bxc3	Bc6+
24.	Kh3	Bxh1
25.	cxd4	Bc6
26.	Bc2	Bg5
27.	Qg4	Qxd4
28.	Qxe6+	Rf7
29.	Rd1	Qxf2
30.	Rd5	Qf1+
31.	Kh2	Qe2+
32.	Kg1	Qxc2
33.	Qg6	Qc4
34.	Rd6	Qc5+
35.	Kf1	Qc1+
36.	Kf2	Rxf4+
37.	gxf4	Qxf4+
38.	Ke2	Bb5+
39.	Rd3	Qe3+
40.	Kd1	Ba4+
41.	Rb3	Qd2#

Wednesday, April 25, 2018

What is the best continuation for White?

ICC tourney 1425 (12 3), Internet Chess Club
Analysis of john2001plus (1702) vs. BotanicalKnight (1500)


8
7
6
5
4
3
2
1

(white to move)

1.	Nf3	f5
2.	e4	d5
3.	exd5	Qxd5
4.	Nc3	Qd8
5.	Bc4	e6
6.	Qe2	Qe7
7.	O-O	Nc6
8.	Re1	Bd7
9.	d4	O-O-O
10.	Bg5	Nf6
11.	d5	exd5
12.	Nxd5	Qc5
13.	Nxf6	gxf6
14.	Bxf6	Re8
15.	Qxe8+	Bxe8
16.	Rxe8+	Kd7
17.	Bf7	Bg7
18.	Rd1+	Nd4
19.	Rxd4+	Kc6
20.	Re6+	Kb5
21.	Bxg7	Qxc2
22.	Rd5+	Kc4
23.	Bxh8	c6
24.	Rxc6+	bxc6
25.	Rd2+

Click here for 20. Bxg7.
Click here for 23... Qc1+.

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;