Sunday, September 22, 2019

White to play

Casual Game, https://itsyourturn.com
Analysis of John Coffey vs. wolfwolf
8
7
6
5
4
3
2
1
abcdefgh
+1
(white to move)
1.Nf3h6
2.e4a6
3.d4d5
4.exd5Qxd5
5.Nc3Qd6
6.Ne4Qe6
7.Ne5Nf6
8.Bc4Nd5
9.Nc5Qd6
10.Qf3Nf6
11.Bxf7+Kd8
12.Bg6Qd5
13.Qxd5+Nxd5
14.Nf7+Ke8
15.Nxh8+Kd8
16.Nf7+Ke8
17.Nxh6+Kd8
18.Nf7+Ke8
19.Ng5+Kd8
20.Nge6+Bxe6
21.Nxe6+Kc8
22.Nxf8
 

Sunday, September 15, 2019

Black to play and win

ICC tourney 1716 (12 3), Internet Chess Club
Analysis of john2001plus (1724) vs. weakfish (1239)
1
2
3
4
5
6
7
8
hgfedcba
+2
(black to move)
1.Nf3d5
2.d4c6
3.c4Nf6
4.Nc3dxc4
5.a4h6
6.e4Bg4
7.Bxc4e6
8.e5Nd5
9.O-OBb4
10.Ne4O-O
11.h3Bh5
12.Qb3Bxf3
13.Bxd5cxd5
14.gxf3Nc6
15.Bd2Bxd2
16.Nd6Nxd4
17.Qd3Qg5+
18.Kh1Nf5
19.Nxf5exf5
20.f4Bxf4
21.Rg1Qh4
22.Qxf5Bxe5
23.Qxe5Qxh3+
24.Qh2Qxh2+
25.Kxh2Rfd8
26.Kg2g5
27.Rae1Re8
28.Rc1Re7
29.Rgd1Rd8
30.Rd4Kg7
31.Rcd1Re5
32.b3Kf6
33.Rh1Kg6
34.Rhd1h5
35.f4Rf5
36.fxg5Rxg5+
37.Kf3Kf6
38.Rd1d2Ke6
39.Rf4Rf5
40.Re2+Kf6
41.Rxf5+Kxf5
42.Re7d4
43.Rxf7+Kg5
44.Rg7+Kf5
45.Rf7+Kg6
46.Re7d3
47.Re1d2
48.Rd1Kf5
49.Ke3h4
50.Kf3Rd3+
51.Kg2Kg4
52.Kf2h3
53.Rg1+Kf4
54.Rd1Rxb3
55.Rxd2Rb1
56.Rd4+Ke5
57.Rh4h2
58.Rh5+Kd4
59.Rh4+Kc3
60.Rh3+Kb4
61.Rh4+Ka5
62.Rh5+Kxa4
63.Rh4+Ka5
64.Rh5+b5
 

Black to play and win

ICC tourney 1716 (12 3), Internet Chess Club
Analysis of john2001plus (1724) vs. weakfish (1239)
1
2
3
4
5
6
7
8
hgfedcba
+2
(black to move)
1.Nf3d5
2.d4c6
3.c4Nf6
4.Nc3dxc4
5.a4h6
6.e4Bg4
7.Bxc4e6
8.e5Nd5
9.O-OBb4
10.Ne4O-O
11.h3Bh5
12.Qb3Bxf3
13.Bxd5cxd5
14.gxf3Nc6
15.Bd2Bxd2
16.Nd6Nxd4
17.Qd3Qg5+
18.Kh1Nf5
19.Nxf5exf5
20.f4Bxf4
21.Rg1Qh4
22.Qxf5Bxe5
23.Qxe5Qxh3+
24.Qh2Qxh2+
25.Kxh2Rfd8
26.Kg2g5
27.Rae1Re8
28.Rc1Re7
29.Rgd1Rd8
30.Rd4Kg7
31.Rcd1Re5
32.b3Kf6
33.Rh1Kg6
34.Rhd1h5
35.f4Rf5
36.fxg5Rxg5+
37.Kf3Kf6
38.Rd1d2Ke6
39.Rf4Rf5
40.Re2+Kf6
41.Rxf5+Kxf5
42.Re7d4
43.Rxf7+Kg5
44.Rg7+Kf5
45.Rf7+Kg6
46.Re7d3
47.Re1d2
48.Rd1Kf5
49.Ke3h4
50.Kf3Rd3+
51.Kg2Kg4
52.Kf2h3
53.Rg1+Kf4
54.Rd1Rxb3
55.Rxd2Ra3
56.Rd4+Ke5
57.Rd7Rb3
58.a5Ra3
59.Rh7Kd6
60.Rxb7Rxa5
61.Kg3Ra3+
62.Kh2a5
63.Ra7Kc5
64.Rc7+Kb4
65.Rb7+Kc5
66.Rc7+Kb6
67.Rc8a4
68.Rb8+Ka5
69.Ra8+Kb4
70.Rb8+Kc3
71.Rc8+Kb2
72.Rc4Kb3
73.Rc8Ra1
74.Kxh3Rb1
75.Rb8+Ka2
76.Ra8a3
77.Kg3Rb3+
78.Kf4Kb2
79.Re8a2
80.Re2+Ka3
81.Re1Rb1
82.Re3+Kb4
83.Re4+Kc5
84.Re5+Kd6
CHECK!

Checkmate in 4 moves

ICC tourney 1716 (12 3), Internet Chess Club
john2001plus (1724) vs. weakfish (1239)
8
7
6
5
4
3
2
1
abcdefgh
-5
(black to move)
1.Nf3d5
2.d4c6
3.c4Nf6
4.Nc3dxc4
5.a4h6
6.e4Bg4
7.Bxc4e6
8.e5Nd5
9.O-OBb4
10.Ne4O-O
11.h3Bh5
12.Qb3Bxf3
13.Bxd5cxd5
14.gxf3Nc6
15.Bd2Bxd2
16.Nd6Nxd4
17.Qd3Qg5+
18.Kh1Nf5
19.Nxf5exf5
20.f4Bxf4
21.Rg1Qh4
22.Qxf5Bxe5
23.Qxe5Qxh3+
24.Qh2Qxh2+
25.Kxh2Rfd8
26.Kg2g5
27.Rae1Re8
28.Rc1Re7
29.Rgd1Rd8
30.Rd4Kg7
31.Rcd1Re5
32.b3Kf6
33.Rh1Kg6
34.Rhd1h5
35.f4Rf5
36.fxg5Rxg5+
37.Kf3Kf6
38.Rd1d2Ke6
39.Rf4Rf5
40.Re2+Kf6
41.Rxf5+Kxf5
42.Re7d4
43.Rxf7+Kg5
44.Rg7+Kf5
45.Rf7+Kg6
46.Re7d3
47.Re1d2
48.Rd1Kf5
49.Ke3h4
50.Kf3Rd3+
51.Kg2Kg4
52.Kf2h3
53.Rg1+Kf4
54.Rd1Rxb3
55.Rxd2Ra3
56.Rd4+Ke5
57.Rd7Rb3
58.a5Ra3
59.Rh7Kd6
60.Rxb7Rxa5
61.Kg3Ra3+
62.Kh2a5
63.Ra7Kc5
64.Rc7+Kb4
65.Rb7+Kc5
66.Rc7+Kb6
67.Rc8a4
68.Rb8+Kc5
69.Rc8+Kd4
70.Rd8+Ke4
71.Re8+Kf5
72.Rf8+Kg6
73.Rg8+Kf7
74.Ra8Kg6
75.Rg8+Kh7
76.Rg4Kh6
77.Rg8Kh5
78.Rh8+Kg4
79.Rg8+Kf5
80.Rf8+Ke4
81.Re8+Kd5
82.Rd8+Kc4
83.Rc8+Kb5
84.Rb8+Ka6
85.Rh8Rb3
86.Ra8+Kb5
87.Rb8+Kc4
88.Rc8+Kb4
89.Rb8+Ka3
90.Ra8Rb2+
91.Kxh3Kb3
92.Rb8+Kc2
93.Ra8Ra2
94.Kg3a3
95.Rc8+Kb1
96.Ra8Kb2
97.Rb8+Kc3
98.Rc8+Kb2
99.Rb8+Ka1
100.Kf3Rb2
101.Ra8a2
102.Ke3Rb3+
103.Kd2Kb2
104.Ra7a1=Q
105.Rxa1Kxa1
106.Kc2Rb8
107.Kc3Ka2
108.Kc4Ka3
109.Kc5Ka4
110.Kc4Rc8+
111.Kd3Kb4
112.Ke3Rd8
113.Ke4Kc4
114.Ke5Rd1
115.Ke6Kc5
116.Ke7Kc6
117.Ke8Kc7
118.Ke7Re1+
119.Kf6Kd6
120.Kf5Re8
121.Kf4Kd5
122.Kf3Kd4
123.Kf2Kd3
124.Kf1Kd2
125.Kf2Re3
126.Kg2Ke2
127.Kg1Kf3
128.Kf1Kg3
129.Kg1Re1#
 

Mate in 6

ICC tourney 1716 (12 3), Internet Chess Club
Analysis of john2001plus (1724) vs. weakfish (1239)
8
7
6
5
4
3
2
1
abcdefgh
-5
(black to move)
1.Nf3d5
2.d4c6
3.c4Nf6
4.Nc3dxc4
5.a4h6
6.e4Bg4
7.Bxc4e6
8.e5Nd5
9.O-OBb4
10.Ne4O-O
11.h3Bh5
12.Qb3Bxf3
13.Bxd5cxd5
14.gxf3Nc6
15.Bd2Bxd2
16.Nd6Nxd4
17.Qd3Qg5+
18.Kh1Nf5
19.Nxf5exf5
20.f4Bxf4
21.Rg1Qh4
22.Qxf5Bxe5
23.Qxe5Qxh3+
24.Qh2Qxh2+
25.Kxh2Rfd8
26.Kg2g5
27.Rae1Re8
28.Rc1Re7
29.Rgd1Rd8
30.Rd4Kg7
31.Rcd1Re5
32.b3Kf6
33.Rh1Kg6
34.Rhd1h5
35.f4Rf5
36.fxg5Rxg5+
37.Kf3Kf6
38.Rd1d2Ke6
39.Rf4Rf5
40.Re2+Kf6
41.Rxf5+Kxf5
42.Re7d4
43.Rxf7+Kg5
44.Rg7+Kf5
45.Rf7+Kg6
46.Re7d3
47.Re1d2
48.Rd1Kf5
49.Ke3h4
50.Kf3Rd3+
51.Kg2Kg4
52.Kf2h3
53.Rg1+Kf4
54.Rd1Rxb3
55.Rxd2Ra3
56.Rd4+Ke5
57.Rd7Rb3
58.a5Ra3
59.Rh7Kd6
60.Rxb7Rxa5
61.Kg3Ra3+
62.Kh2a5
63.Ra7Kc5
64.Rc7+Kb4
65.Rb7+Kc5
66.Rc7+Kb6
67.Rc8a4
68.Rb8+Kc5
69.Rc8+Kd4
70.Rd8+Ke4
71.Re8+Kf5
72.Rf8+Kg6
73.Rg8+Kf7
74.Ra8Kg6
75.Rg8+Kh7
76.Rg4Kh6
77.Rg8Kh5
78.Rh8+Kg4
79.Rg8+Kf5
80.Rf8+Ke4
81.Re8+Kd5
82.Rd8+Kc4
83.Rc8+Kb5
84.Rb8+Ka6
85.Rh8Rb3
86.Ra8+Kb5
87.Rb8+Kc4
88.Rc8+Kb4
89.Rb8+Ka3
90.Ra8Rb2+
91.Kxh3Kb3
92.Rb8+Kc2
93.Ra8Ra2
94.Kg3a3
95.Rc8+Kb1
96.Ra8Kb2
97.Rb8+Kc3
98.Rc8+Kb2
99.Rb8+Ka1
100.Kf3Rb2
101.Ra8a2
102.Ke3Rb3+
103.Kd2Kb2
104.Ra7a1=Q
105.Rxa1Kxa1
106.Kc2Rb8
107.Kc3Ka2
108.Kc4Ka3
109.Kc5Ka4
110.Kc4Rc8+
111.Kd3Kb4
112.Ke3Rd8
113.Ke4Kc4
114.Ke5Rd1
115.Ke6Kc5
116.Ke7Kc6
117.Ke8Kc7
118.Ke7Re1+
119.Kf6Kd6
120.Kf5Re8
121.Kf4Kd5
122.Kf3Kd4
123.Kf2Kd3
124.Kf1Kd2
125.Kf2Re3
126.Kf1Re2
127.Kg1Ke1
128.Kh1Kf2
129.Kh2Re3
130.Kh1Rh3#
 

Saturday, September 14, 2019

Black to play

Casual G/30, Kroger Columbus Inidana
Analysis of Coffey, John (2016) vs. Chess Prince , on Master Level
1
2
3
4
5
6
7
8
hgfedcba
+1
(black to move)
1.Nf3Nc6
2.d4d5
3.c4Nf6
4.cxd5Qxd5
5.Nc3Qa5
6.d5Nb4
7.e4Nxe4
8.Bb5+Kd8
9.Ne5Nd6
10.Be2f6
11.Nc4Nxc4
12.Bxc4Bf5
13.Bb3Nd3+
14.Kf1Qb4
15.a3Qb6
16.Be3Nxb2
17.Bxb6Nxd1
18.Bxc7+Kxc7
19.Rxd1Rc8
20.Nb5+Kb8
21.Nd4Bg6
22.Ke2Rc3
23.Rc1Rd3
24.Rhd1Rxd1
25.Kxd1e6
26.Nxe6Bxa3
27.Rc7Bh5+
28.f3g5
29.Ke2Be8
30.Bc2Bd6
31.Rg7a5
32.Kd2h5
33.Nd8h4
34.Be4Ba4
35.Nxb7Bf8
36.Rf7Bb4+
37.Kd3Be8
38.Nxa5Bxf7
 

White to play

Casual G/30, Kroger Columbus Inidana
Analysis of Coffey, John (2016) vs. Chess Prince , on Master Level
8
7
6
5
4
3
2
1
abcdefgh
-2
(white to move)
1.Nf3Nc6
2.d4d5
3.c4Nf6
4.cxd5Qxd5
5.Nc3Qa5
6.d5Nb4
7.e4Nxe4
8.Bb5+Kd8
9.Ne5Nd6
10.Be2f6
11.Nc4Nxc4
12.Bxc4Bf5
13.Bb3Nd3+
14.Kf1Qb4
15.a3Qb6
16.Be3Nxb2
17.Bxb6Nxd1
18.Bxc7+Kxc7
19.Rxd1Rc8
20.Nb5+Kb8
21.Nd4Bg6
22.Ke2Rc3
23.Rc1Rd3
24.Rhd1Rxd1
25.Kxd1e6
26.Nxe6Bxa3
27.Rc7Bh5+
28.f3g5
29.Ke2Bd6
30.Rd7Bxh2
31.d6a5
32.g4Bg6
33.Bd5Bxd6
34.Rxd6Bf7
35.Rb6Bxe6
36.Rxe6
 

White to play for equality

Casual G/30, Kroger Columbus Inidana
Analysis of Coffey, John (2016) vs. Chess Prince , on Master Level
8
7
6
5
4
3
2
1
abcdefgh
-1
(white to move)
1.Nf3Nc6
2.d4d5
3.c4Nf6
4.cxd5Qxd5
5.Nc3Qa5
6.d5Nb4
7.e4Nxe4
8.Bb5+Kd8
9.Ne5Nd6
10.Be2f6
11.Nc4Nxc4
12.Bxc4Bf5
13.Bb3Nd3+
14.Kf1Qb4
15.a3Qb6
16.Be3Nxb2
17.Bxb6Nxd1
18.Bxc7+Kxc7
19.Rxd1Rc8
20.Nb5+Kb8
21.Nd4Bg6
22.Ke2Rc3
23.Rc1Rd3
24.Rhd1Rxd1
25.Kxd1e6
26.Nxe6Bxa3
27.Rc7Bh5+
28.f3g5
29.Ke2Bd6
30.Rd7Bxh2
31.Nc5b6
32.Na6+Kc8
33.Rxa7Be8
34.Ke3b5
35.Kf2Be5
36.Ke2h5
37.Nc5Bd4
38.Ra8+Kc7
39.Ne6+Kb7
40.Rd8Bb6
41.Rd6b4
42.Kd3h4
43.Bc4h3
44.gxh3Rh4
45.Ba2Bg6+
46.Kd2Rxh3
47.Bc4Rh2+
48.Ke1Bf2+
49.Kd1Bc2+
50.Kc1Be3+
51.Kb2Ba4+
52.Kb1Bb6
53.Bd3Rf2
54.Be4b3
55.Kc1f5
56.Bxf5Be3+
57.Kb1Rf1+
58.Kb2Bc1+
59.Kc3Rxf3+
60.Kb4Rxf5
61.Kxa4b2
62.Rd7+Kb6
63.Rd6+Kb7
64.Rd7+Kc8
65.Rd8+Kb7
66.Rd7+
CHECK!

Black to play and win

Casual G/30, Kroger Columbus Inidana
Analysis of Coffey, John (2016) vs. Chess Prince , on Master Level
1
2
3
4
5
6
7
8
hgfedcba
+1
(black to move)
1.Nf3Nc6
2.d4d5
3.c4Nf6
4.cxd5Qxd5
5.Nc3Qa5
6.d5Nb4
7.e4Nxe4
8.Bb5+Kd8
9.Ne5Nd6
10.Be2f6
11.Nc4Nxc4
12.Bxc4Bf5
13.Bb3Nd3+
14.Kf1Qb4
15.a3Qb6
16.Be3Nxb2
17.Bxb6Nxd1
18.Bxc7+Kxc7
19.Rxd1Rc8
20.Nb5+Kb8
21.Nd4Bg6
22.Ke2Rc3
23.Rc1Rd3
24.Rhd1Rxd1
25.Kxd1e6
26.Nxe6Bxa3
27.Rc7Bh5+
28.f3g5
29.Ke2Bd6
30.Rd7Bxh2
31.Nc5b6
32.Na6+Kc8
33.Rxa7Be8
34.Ke3b5
35.Kf2Be5
36.Ke2h5
37.Nc5Bd4
38.Ra8+Kc7
39.Ne6+Kb7
40.Rd8Bb6
41.Rd6b4
42.Kd3h4
43.Bc4h3
44.gxh3Rh4
45.Ba2Bg6+
46.Ke2Bc2
47.Kd2b3
 

Thursday, September 5, 2019

White to play and win

Live Chess, Chess.com
Analysis of Coupra (2097) vs. eli1itALL (1908)
8
7
6
5
4
3
2
1
abcdefgh
+1
(white to move)
1.d4d5
2.Nf3c6
3.g3Nf6
4.Bg2Bg4
5.Nbd2Nbd7
6.O-Oe6
7.h3Bh5
8.b3Bd6
9.Bb2O-O
10.c4dxc4
11.bxc4c5
12.e3cxd4
13.exd4Rb8
14.g4Bg6
15.Re1b6
16.Bc3Qc7
17.Ne5Rbc8
18.Nxd7Qxd7
19.Qb3Bf4
20.Rad1Qc7
21.Bb4Rfd8
22.d5Bxd2
23.Rxd2Qxc4
24.d6Qxb3
25.axb3Nd5
26.Bxd5exd5
27.Rxd5Rd7
28.Re7Rcd8
29.Rde5f6
30.Re3Bf7
31.Ba3a5
32.Rc3b5
33.Rc7Rxe7
34.dxe7Rd1+
35.Kh2b4
36.Rc8+Be8
37.Bxb4axb4
38.Rxe8+Kf7
39.Rb8Kxe7
40.Rxb4Rd2
41.Kg3Rd3+
42.f3Ke6
43.Rb7g6
44.b4Rb3
45.b5h6
46.Rb8Kd6
47.b6g5
48.b7Kc7
49.Rf8Rb6
50.Rf7+Kb8
51.Kf2Rxb7
52.Rxb7+Kxb7
53.Ke3Kc6
54.Ke4Kd6
55.Kf5Ke7
56.Kg6Ke6
57.Kxh6Ke5
58.Kg7Ke6
59.Kg6Ke7
60.Kf5Kf7
61.f4gxf4
62.Kxf4Kg6
63.h4Kg7
64.Kf5Kf7
65.h5Kg7
66.Ke6
 
Click here for 59... Ke5.