MESON Chess Problem Database
Problem Display
PID: 204827 (2B5/6p1/K2B2P1/pN1k2P1/p3p3/1N2pp2/1PP3n1/4q1nQ w - - 0 1)
Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)
3rd Prize, L'Alfiere di Re, 1925
#3
10 + 10
| 6490 | yacpdb | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Kc4
- 2.Be6#
- 1...Kc6
- 2.S3d4+
- 2...Kd5
- 3.Be6#
- 2...Kd5
- 2.S3d4+
- 1...Qh4
- 2.Sxa5
- threat
- 3.c4#
- threat
- 2.Sxa5
- 1...Se2
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 2...Ke6
- 3.Qh3#
- 2...Kc4
- 2.Bb7+
- 1...Sh3
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 2...Ke6
- 3.Qxh3#
- 2...Kc4
- 2.Bb7+
- 1...Sh4
- 2.S3d4
- threat
- 3.Be6#
- 2...Kc4
- 3.Be6#
- threat
- 2.S3d4
- 1...Kc4
- Tries
- 1.S3d4?
- threat
- 2.Be6#
- 1...Kc4
- 2.Be6#
- 1...Sf4!
- threat
- 1.Be6+?
- 1...Kc6
- 2.S3d4#
- 1...Kxe6!
- 1...Kc6
- 1.Bb7+?
- 1...Kc4
- 2.Sa3#
- 1...Ke6!
- 1...Kc4
- 1.Qh2?
- threat
- 2.Sc7+
- 2...Kc4
- 3.Be6#
- 2...Kc6
- 3.Sd4#
- 2...Kc4
- 2.Qe5+
- 2...Kc4
- 3.Sa3#
- 3.Be6#
- 3.Qd4#
- 3.Qxe4#
- 3.Qc5#
- 3.Qe6#
- 2...Kc6
- 3.S3d4#
- 3.S5d4#
- 3.Sa7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Sc7+
- 1...Kc6
- 2.S3d4+
- 2...Kd5
- 3.Be6#
- 2...Kd5
- 2.S5d4+
- 2...Kd5
- 3.Be6#
- 2...Kd5
- 2.Be6
- threat
- 3.S3d4#
- 3.S5d4#
- 3.Sa7#
- threat
- 2.Qe5
- threat
- 3.S3d4#
- 3.S5d4#
- 3.Sa7#
- 3.Qxe4#
- 3.Qc5#
- threat
- 2.c4
- threat
- 3.S3d4#
- 3.S5d4#
- 3.Sa7#
- threat
- 2.S3d4+
- 1...axb3
- 2.Qe5+
- 2...Kc4
- 3.Sa3#
- 3.Be6#
- 3.Qd4#
- 3.Qxe4#
- 3.Qc5#
- 3.Qe6#
- 2...Kc6
- 3.Sd4#
- 3.Sa7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Qe5+
- 1...Qd2
- 2.Qe5+
- 2...Kc4
- 3.Sa3#
- 3.Qc5#
- 2...Kc6
- 3.Sa7#
- 3.Qc5#
- 2...Kc4
- 2.Qe5+
- 1...Qf2
- 2.Sxa5
- threat
- 3.Qe5#
- 3.c4#
- threat
- 2.Sc3+
- 2...Kc4
- 3.Be6#
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 2...Kc4
- 2.Sc7+
- 2...Kc4
- 3.Be6#
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 2...Kc4
- 2.Qe5+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Be6#
- 3.Qd4#
- 3.Qxe4#
- 3.Qc5#
- 3.Qe6#
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.S5d4#
- 3.Sa7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Sxa5
- 1...Qc3
- 2.Sxc3+
- 2...Kc4
- 3.Be6#
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 2...Kc4
- 2.Sxc3+
- 1...Qg3
- 2.Sxa5
- threat
- 3.c4#
- 2...Qxd6+
- 3.Qxd6#
- threat
- 2.Sxa5
- 1...Qb4
- 2.Qe5+
- 2...Kc4
- 3.Be6#
- 3.Qd4#
- 3.Qxe4#
- 3.Qe6#
- 2...Kc6
- 3.Sa7#
- 2...Kc4
- 2.Qe5+
- 1...Qh4
- 2.Sxa5
- threat
- 3.Qe5#
- 3.c4#
- threat
- 2.Sc3+
- 2...Kc4
- 3.Be6#
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 2...Kc4
- 2.Sc7+
- 2...Kc4
- 3.Be6#
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 2...Kc4
- 2.Qe5+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Be6#
- 3.Qd4#
- 3.Qc5#
- 3.Qe6#
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.S5d4#
- 3.Sa7#
- 3.Qc5#
- 2...Kc4
- 2.Sxa5
- 1...Qa1
- 2.Sxa5
- threat
- 3.Qe5#
- 3.c4#
- threat
- 2.Sc3+
- 2...Kc4
- 3.Be6#
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 2...Kc4
- 2.Sc7+
- 2...Kc4
- 3.Be6#
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 2...Kc4
- 2.Qe5+
- 2...Kc4
- 3.Sxa5#
- 3.Be6#
- 3.Qd4#
- 3.Qxe4#
- 3.Qc5#
- 3.Qe6#
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.S5d4#
- 3.Sa7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Sxa5
- 1...Qb1
- 2.Sxa5
- threat
- 3.Qe5#
- 3.c4#
- threat
- 2.Sc3+
- 2...Kc4
- 3.Be6#
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 2...Kc4
- 2.Sc7+
- 2...Kc4
- 3.Be6#
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 2...Kc4
- 2.Qe5+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Be6#
- 3.Qd4#
- 3.Qxe4#
- 3.Qc5#
- 3.Qe6#
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.S5d4#
- 3.Sa7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Sxa5
- 1...Qc1
- 2.Sc3+
- 2...Kc4
- 3.Be6#
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 2...Kc4
- 2.Sc7+
- 2...Kc4
- 3.Be6#
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 2...Kc4
- 2.Qe5+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Be6#
- 3.Qd4#
- 3.Qxe4#
- 3.Qc5#
- 3.Qe6#
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.S5d4#
- 3.Sa7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Sc3+
- 1...Qd1
- 2.Sxa5
- threat
- 3.Qe5#
- 3.c4#
- 2...Qd4
- 3.Sc7#
- threat
- 2.Qe5+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qc5#
- 2...Kc6
- 3.Sxa5#
- 3.Sa7#
- 3.Qc5#
- 2...Kc4
- 2.Sxa5
- 1...Qf1
- 2.Qe5+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Be6#
- 3.Qd4#
- 3.Qxe4#
- 3.Qc5#
- 3.Qe6#
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Qe5+
- 1...Qe2
- 2.Qe5+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Be6#
- 3.Qd4#
- 3.Qxe4#
- 3.Qc5#
- 3.Qe6#
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Qe5+
- 1...Se2
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 2...Ke6
- 3.Qh3#
- 2...Kc4
- 2.Qe5+
- 2...Kc4
- 3.Sa3#
- 3.Be6#
- 3.Qc5#
- 3.Qe6#
- 2...Kc6
- 3.Sa7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Bb7+
- 1...a3
- 2.Sc7+
- 2...Kc4
- 3.Be6#
- 2...Kc6
- 3.Sd4#
- 2...Kc4
- 2.Qe5+
- 2...Kc4
- 3.Sxa3#
- 3.Be6#
- 3.Qd4#
- 3.Qxe4#
- 3.Qc5#
- 3.Qe6#
- 2...Kc6
- 3.S3d4#
- 3.S5d4#
- 3.Sa7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Sc7+
- 1...Sf4!
- threat
- 1.Qh3?
- threat
- 2.Be6+
- 2...Kc6
- 3.S3d4#
- 2...Kc6
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 3.Qe6#
- 3.Qc8#
- 2...Kc4
- 2.Qf5+
- 2...Kc4
- 3.Sa3#
- 3.Be6#
- 3.Qxe4#
- 3.Qe6#
- 3.Qc5#
- 3.Qf7#
- 2...Kc6
- 3.S3d4#
- 3.Bb7#
- 3.Bd7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.S3d4#
- 3.S5d4#
- 3.Sa7#
- 3.Bh2#
- 3.Ba3#
- 3.Bg3#
- 3.Bb4#
- 3.Bf4#
- 3.Bc5#
- 3.Be5#
- 3.Bc7#
- 3.Be7#
- 3.Bb8#
- 3.Bf8#
- 3.Bb7#
- 3.Bd7#
- 3.Qc4#
- 3.Qxe4#
- 2...Kc6
- 2.Be6+
- 1...axb3
- 2.Bb7+
- 2...Kc4
- 3.Qe6#
- 3.Qc8#
- 2...Kc4
- 2.Qf5+
- 2...Kc4
- 3.Be6#
- 3.Qxe4#
- 3.Qe6#
- 3.Qc5#
- 3.Qf7#
- 2...Kc6
- 3.Bb7#
- 3.Bd7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.Sd4#
- 3.Sa7#
- 3.Ba3#
- 3.Bb4#
- 3.Be7#
- 3.Bf8#
- 3.Bb7#
- 3.Bd7#
- 3.Qc4#
- 3.Qxe4#
- 2...Kc6
- 2.Bb7+
- 1...Qd2
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 3.Qc8#
- 2...Kc4
- 2.Qf5+
- 2...Kc4
- 3.Sa3#
- 3.Qc5#
- 2...Kc6
- 3.Bb7#
- 3.Bd7#
- 3.Qc5#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.Sa7#
- 3.Bb7#
- 3.Bd7#
- 3.Qc4#
- 2...Kc6
- 2.Bb7+
- 1...Qf2
- 2.Sxa5
- threat
- 3.Be6#
- 3.Bb7#
- 3.Qf5#
- 3.Qe6#
- 3.c4#
- threat
- 2.Be6+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 2...Kc6
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qe6#
- 3.Qc8#
- 2...Kc4
- 2.Qf5+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Be6#
- 3.Qxe4#
- 3.Qe6#
- 3.Qc5#
- 3.Qf7#
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.Bb7#
- 3.Bd7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.S5d4#
- 3.Sa7#
- 3.Bh2#
- 3.Ba3#
- 3.Bg3#
- 3.Bb4#
- 3.Bf4#
- 3.Bc5#
- 3.Be5#
- 3.Bc7#
- 3.Be7#
- 3.Bb8#
- 3.Bf8#
- 3.Bb7#
- 3.Bd7#
- 3.Qc4#
- 3.Qxe4#
- 2...Kc6
- 2.Sxa5
- 1...Qc3
- 2.Qe6+
- 2...Kc6
- 3.Sa7#
- 3.Bh2#
- 3.Ba3#
- 3.Bg3#
- 3.Bb4#
- 3.Bf4#
- 3.Bc5#
- 3.Be5#
- 3.Bc7#
- 3.Be7#
- 3.Bb8#
- 3.Bf8#
- 3.Bb7#
- 3.Bd7#
- 3.Qxe4#
- 2...Kc6
- 2.Qe6+
- 1...Qg3
- 2.Be6+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 2...Kc6
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qe6#
- 3.Qc8#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.S5d4#
- 3.Sa7#
- 3.Bxg3#
- 3.Bf4#
- 3.Be5#
- 3.Bb7#
- 3.Bd7#
- 3.Qc4#
- 3.Qxe4#
- 2...Kc6
- 2.Be6+
- 1...Qb4
- 2.Bb7+
- 2...Kc4
- 3.Qe6#
- 2...Kc4
- 2.Qf5+
- 2...Kc4
- 3.Be6#
- 3.Qxe4#
- 3.Qe6#
- 3.Qf7#
- 2...Kc6
- 3.Bb7#
- 3.Bd7#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.Sa7#
- 3.Bxb4#
- 3.Bc5#
- 3.Bb7#
- 3.Bd7#
- 2...Kc6
- 2.Bb7+
- 1...Qh4
- 2.Sxa5
- threat
- 3.Be6#
- 3.Bb7#
- 3.Qf5#
- 3.Qe6#
- 3.c4#
- threat
- 2.Be6+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 2...Kc6
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qe6#
- 3.Qc8#
- 2...Kc4
- 2.Qf5+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Be6#
- 3.Qe6#
- 3.Qc5#
- 3.Qf7#
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.Bb7#
- 3.Bd7#
- 3.Qc5#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.S5d4#
- 3.Sa7#
- 3.Bh2#
- 3.Ba3#
- 3.Bg3#
- 3.Bb4#
- 3.Bf4#
- 3.Bc5#
- 3.Be5#
- 3.Bc7#
- 3.Be7#
- 3.Bb8#
- 3.Bf8#
- 3.Bb7#
- 3.Bd7#
- 3.Qc4#
- 2...Kc6
- 2.Sxa5
- 1...Qa1
- 2.Sxa5
- threat
- 3.Be6#
- 3.Bb7#
- 3.Qf5#
- 3.Qe6#
- 3.c4#
- threat
- 2.Be6+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 2...Kc6
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Qe6#
- 3.Qc8#
- 2...Kc4
- 2.Qf5+
- 2...Kc4
- 3.Sxa5#
- 3.Be6#
- 3.Qxe4#
- 3.Qe6#
- 3.Qc5#
- 3.Qf7#
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.Bb7#
- 3.Bd7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.S5d4#
- 3.Sa7#
- 3.Bh2#
- 3.Ba3#
- 3.Bg3#
- 3.Bb4#
- 3.Bf4#
- 3.Bc5#
- 3.Be5#
- 3.Bc7#
- 3.Be7#
- 3.Bb8#
- 3.Bf8#
- 3.Bb7#
- 3.Bd7#
- 3.Qc4#
- 3.Qxe4#
- 2...Kc6
- 2.Sxa5
- 1...Qb1
- 2.Sxa5
- threat
- 3.Be6#
- 3.Bb7#
- 3.Qf5#
- 3.Qe6#
- 3.c4#
- threat
- 2.Be6+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 2...Kc6
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qe6#
- 3.Qc8#
- 2...Kc4
- 2.Qf5+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Be6#
- 3.Qxe4#
- 3.Qe6#
- 3.Qc5#
- 3.Qf7#
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.Bb7#
- 3.Bd7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.S5d4#
- 3.Sa7#
- 3.Bh2#
- 3.Ba3#
- 3.Bg3#
- 3.Bb4#
- 3.Bf4#
- 3.Bc5#
- 3.Be5#
- 3.Bc7#
- 3.Be7#
- 3.Bb8#
- 3.Bf8#
- 3.Bb7#
- 3.Bd7#
- 3.Qc4#
- 3.Qxe4#
- 2...Kc6
- 2.Sxa5
- 1...Qc1
- 2.Be6+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 2...Kc6
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qe6#
- 3.Qc8#
- 2...Kc4
- 2.Qf5+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Be6#
- 3.Qxe4#
- 3.Qe6#
- 3.Qc5#
- 3.Qf7#
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.Bb7#
- 3.Bd7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.S5d4#
- 3.Sa7#
- 3.Bh2#
- 3.Ba3#
- 3.Bg3#
- 3.Bb4#
- 3.Bf4#
- 3.Bc5#
- 3.Be5#
- 3.Bc7#
- 3.Be7#
- 3.Bb8#
- 3.Bf8#
- 3.Bb7#
- 3.Bd7#
- 3.Qc4#
- 3.Qxe4#
- 2...Kc6
- 2.Be6+
- 1...Qd1
- 2.Sxa5
- threat
- 3.Be6#
- 3.Bb7#
- 3.Qf5#
- 3.Qe6#
- 3.c4#
- threat
- 2.Be6+
- 2...Kc6
- 3.Sxa5#
- 2...Kc6
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qc8#
- 2...Kc4
- 2.Qf5+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qc5#
- 2...Kc6
- 3.Sxa5#
- 3.Bb7#
- 3.Bd7#
- 3.Qc5#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.Sxa5#
- 3.Sa7#
- 3.Bb7#
- 3.Bd7#
- 3.Qc4#
- 2...Kc6
- 2.Sxa5
- 1...Qf1
- 2.Be6+
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 2...Kc6
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qe6#
- 3.Qc8#
- 2...Kc4
- 2.Qf5+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Be6#
- 3.Qxe4#
- 3.Qe6#
- 3.Qc5#
- 3.Qf7#
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 3.Bb7#
- 3.Bd7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 3.Bh2#
- 3.Ba3#
- 3.Bg3#
- 3.Bb4#
- 3.Bf4#
- 3.Bc5#
- 3.Be5#
- 3.Bc7#
- 3.Be7#
- 3.Bb8#
- 3.Bf8#
- 3.Bb7#
- 3.Bd7#
- 3.Qxe4#
- 2...Kc6
- 2.Be6+
- 1...Qe2
- 2.Be6+
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 2...Kc6
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qe6#
- 3.Qc8#
- 2...Kc4
- 2.Qf5+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Be6#
- 3.Qxe4#
- 3.Qe6#
- 3.Qc5#
- 3.Qf7#
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 3.Bb7#
- 3.Bd7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 3.Bh2#
- 3.Ba3#
- 3.Bg3#
- 3.Bb4#
- 3.Bf4#
- 3.Bc5#
- 3.Be5#
- 3.Bc7#
- 3.Be7#
- 3.Bb8#
- 3.Bf8#
- 3.Bb7#
- 3.Bd7#
- 3.Qxe4#
- 2...Kc6
- 2.Be6+
- 1...Se2
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 3.Qe6#
- 3.Qc8#
- 2...Kc4
- 2.Qf5+
- 2...Kc4
- 3.Sa3#
- 3.Be6#
- 3.Qe6#
- 3.Qc5#
- 3.Qf7#
- 2...Kc6
- 3.Bb7#
- 3.Bd7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.Sa7#
- 3.Bh2#
- 3.Ba3#
- 3.Bg3#
- 3.Bb4#
- 3.Bf4#
- 3.Bc5#
- 3.Be5#
- 3.Bc7#
- 3.Be7#
- 3.Bb8#
- 3.Bf8#
- 3.Bb7#
- 3.Bd7#
- 3.Qc4#
- 3.Qxe4#
- 2...Kc6
- 2.Bb7+
- 1...Sf4
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 3.Qc8#
- 2...Kc4
- 2.Qf5+
- 2...Kc4
- 3.Sa3#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc6
- 3.S3d4#
- 3.Bb7#
- 3.Bd7#
- 3.Qc5#
- 2...Kc4
- 2.Bb7+
- 1...Sh4
- 2.S3d4
- threat
- 3.Be6#
- 3.Qe6#
- 2...Kc4
- 3.Be6#
- 3.Qe6#
- threat
- 2.Be6+
- 2...Kc6
- 3.S3d4#
- 2...Kc6
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 3.Qe6#
- 3.Qc8#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.S3d4#
- 3.S5d4#
- 3.Sa7#
- 3.Bh2#
- 3.Ba3#
- 3.Bg3#
- 3.Bb4#
- 3.Bf4#
- 3.Bc5#
- 3.Be5#
- 3.Bc7#
- 3.Be7#
- 3.Bb8#
- 3.Bf8#
- 3.Bb7#
- 3.Bd7#
- 3.Qc4#
- 3.Qxe4#
- 2...Kc6
- 2.S3d4
- 1...a3
- 2.Be6+
- 2...Kc6
- 3.S3d4#
- 2...Kc6
- 2.Bb7+
- 2...Kc4
- 3.Sxa3#
- 3.Qe6#
- 3.Qc8#
- 2...Kc4
- 2.Qf5+
- 2...Kc4
- 3.Sxa3#
- 3.Be6#
- 3.Qxe4#
- 3.Qe6#
- 3.Qc5#
- 3.Qf7#
- 2...Kc6
- 3.S3d4#
- 3.Bb7#
- 3.Bd7#
- 3.Qxe4#
- 3.Qc5#
- 2...Kc4
- 2.Qe6+
- 2...Kc6
- 3.S3d4#
- 3.S5d4#
- 3.Sa7#
- 3.Bh2#
- 3.Bxa3#
- 3.Bg3#
- 3.Bb4#
- 3.Bf4#
- 3.Bc5#
- 3.Be5#
- 3.Bc7#
- 3.Be7#
- 3.Bb8#
- 3.Bf8#
- 3.Bb7#
- 3.Bd7#
- 3.Qc4#
- 3.Qxe4#
- 2...Kc6
- 2.Be6+
- 1...Sxh3!
- threat
- 1.Qh8?
- threat
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 3.Qc8#
- 3.Qg8#
- 2...Ke6
- 3.Qc8#
- 2...Kc4
- 2.Qg8+
- 2...Kc6
- 3.S3d4#
- 3.Qc4#
- 2...Kc6
- 2.Bb7+
- 1...Kc6
- 2.S3d4+
- 2...Kd5
- 3.Be6#
- 3.Qg8#
- 2...Kd5
- 2.Be6
- threat
- 3.S3d4#
- 3.Qa8#
- 3.Qc8#
- 3.Qe8#
- threat
- 2.Bb7+
- 2...Kd7
- 3.Sc5#
- 3.Qc8#
- 2...Kd7
- 2.Qe8+
- 2...Kd5
- 3.Be6#
- 2...Kd5
- 2.c4
- threat
- 3.S3d4#
- 3.Qe8#
- threat
- 2.S3d4+
- 1...axb3
- 2.Bb7+
- 2...Kc4
- 3.Qc8#
- 3.Qg8#
- 2...Ke6
- 3.Qc8#
- 2...Kc4
- 2.Qg8+
- 2...Kc6
- 3.Qc4#
- 2...Kc6
- 2.Bb7+
- 1...Qd2
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 3.Qc8#
- 2...Ke6
- 3.Qc8#
- 2...Kc4
- 2.Qg8+
- 2...Kc6
- 3.Qc4#
- 2...Kc6
- 2.Bb7+
- 1...Qf2
- 2.Sxa5
- threat
- 3.Qg8#
- 3.c4#
- threat
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qc8#
- 3.Qg8#
- 2...Ke6
- 3.Qc8#
- 2...Kc4
- 2.Qg8+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.Qc4#
- 2...Kc6
- 2.Sxa5
- 1...Qg3
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qc8#
- 3.Qg8#
- 2...Ke6
- 3.Qc8#
- 2...Kc4
- 2.Qg8+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.Qc4#
- 2...Kc6
- 2.Bb7+
- 1...Qb4
- 2.Bb7+
- 2...Kc4
- 3.Qg8#
- 2...Ke6
- 3.Qc8#
- 2...Kc4
- 2.Bb7+
- 1...Qh4
- 2.Sxa5
- threat
- 3.Qg8#
- 3.c4#
- threat
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qc8#
- 3.Qg8#
- 2...Ke6
- 3.Qc8#
- 2...Kc4
- 2.Qg8+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.Qc4#
- 2...Kc6
- 2.Sxa5
- 1...Qa1
- 2.Sxa5
- threat
- 3.Qg8#
- 3.c4#
- threat
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Qc8#
- 3.Qg8#
- 2...Ke6
- 3.Qc8#
- 2...Kc4
- 2.Qg8+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.Qc4#
- 2...Kc6
- 2.Sxa5
- 1...Qb1
- 2.Sxa5
- threat
- 3.Qg8#
- 3.c4#
- threat
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qc8#
- 3.Qg8#
- 2...Ke6
- 3.Qc8#
- 2...Kc4
- 2.Qg8+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.Qc4#
- 2...Kc6
- 2.Sxa5
- 1...Qc1
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qc8#
- 3.Qg8#
- 2...Ke6
- 3.Qc8#
- 2...Kc4
- 2.Qg8+
- 2...Kc6
- 3.S3d4#
- 3.Sxa5#
- 3.Qc4#
- 2...Kc6
- 2.Bb7+
- 1...Qd1
- 2.Sxa5
- threat
- 3.Qg8#
- 3.c4#
- threat
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qc8#
- 2...Ke6
- 3.Qc8#
- 2...Kc4
- 2.Qg8+
- 2...Kc6
- 3.Sxa5#
- 3.Qc4#
- 2...Kc6
- 2.Sxa5
- 1...Qf1
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qc8#
- 3.Qg8#
- 2...Ke6
- 3.Qc8#
- 2...Kc4
- 2.Qg8+
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 2...Kc6
- 2.Bb7+
- 1...Qe2
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qc8#
- 3.Qg8#
- 2...Ke6
- 3.Qc8#
- 2...Kc4
- 2.Qg8+
- 2...Kc6
- 3.Sd4#
- 3.Sxa5#
- 2...Kc6
- 2.Bb7+
- 1...Se2
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 3.Qc8#
- 3.Qg8#
- 2...Ke6
- 3.Qh3#
- 3.Qc8#
- 2...Kc4
- 2.Qg8+
- 2...Kc6
- 3.Qc4#
- 2...Kc6
- 2.Bb7+
- 1...Sh3
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 3.Qc8#
- 3.Qg8#
- 2...Ke6
- 3.Qxh3#
- 3.Qc8#
- 2...Kc4
- 2.Qg8+
- 2...Kc6
- 3.S3d4#
- 3.Qc4#
- 2...Kc6
- 2.Bb7+
- 1...Sf4
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 3.Qc8#
- 2...Ke6
- 3.Qc8#
- 2...Kc4
- 2.Bb7+
- 1...a3
- 2.Bb7+
- 2...Kc4
- 3.Sxa3#
- 3.Qc8#
- 3.Qg8#
- 2...Ke6
- 3.Qc8#
- 2...Kc4
- 2.Qg8+
- 2...Kc6
- 3.S3d4#
- 3.Qc4#
- 2...Kc6
- 2.Bb7+
- 1...Qc3!
- threat
- 1.c4+?
- 1...Kc6
- 2.S3d4#
- 1...Kxc4!
- 1...Kc6
- 1.S3d4?
- Keys
- 1.Qh4!
- threat
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 3.Qxe4#
- 2...Ke6
- 3.Qg4#
- 2...Kc4
- 2.Bb7+
- 1...Qxh4
- 2.Sxa5
- threat
- 3.c4#
- threat
- 2.Sxa5
- 1...Sxh4
- 2.S3d4
- threat
- 3.Be6#
- 2...Kc4
- 3.Be6#
- threat
- 2.S3d4
- 1...axb3
- 2.Bb7+
- 2...Kc4
- 3.Qxe4#
- 2...Ke6
- 3.Qg4#
- 2...Kc4
- 2.c4+
- 2...Kxc4
- 3.Qxe4#
- 2...Kc6
- 3.Qxe4#
- 2...Kxc4
- 2.Bb7+
- 1...Qd2
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 2...Ke6
- 3.Qg4#
- 2...Kc4
- 2.Bb7+
- 1...Qf2
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qxe4#
- 2...Ke6
- 3.Qg4#
- 2...Kc4
- 2.Qxe4+
- 2...Kxe4
- 3.Sc3#
- 2...Kxe4
- 2.Bb7+
- 1...Qc3
- 2.Qxe4+
- 2...Kxe4
- 3.Sxc3#
- 2...Kxe4
- 2.Qxe4+
- 1...Qg3
- 2.Qxe4+
- 2...Kxe4
- 3.Sc3#
- 2...Kxe4
- 2.Qxe4+
- 1...Qb4
- 2.Bb7+
- 2...Kc4
- 3.Qxe4#
- 2...Ke6
- 3.Qg4#
- 2...Kc4
- 2.Bb7+
- 1...Qa1
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Qxe4#
- 2...Ke6
- 3.Qg4#
- 2...Kc4
- 2.Qxe4+
- 2...Kxe4
- 3.Sc3#
- 2...Kxe4
- 2.Bb7+
- 1...Qb1
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qxe4#
- 2...Ke6
- 3.Qg4#
- 2...Kc4
- 2.Qxe4+
- 2...Kxe4
- 3.Sc3#
- 2...Kxe4
- 2.Bb7+
- 1...Qc1
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qxe4#
- 2...Ke6
- 3.Qg4#
- 2...Kc4
- 2.Qxe4+
- 2...Kxe4
- 3.Sc3#
- 2...Kxe4
- 2.Bb7+
- 1...Qd1
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 2...Ke6
- 3.Qg4#
- 2...Kc4
- 2.Qxe4+
- 2...Kxe4
- 3.Sc3#
- 2...Kxe4
- 2.Bb7+
- 1...Qf1
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qxe4#
- 2...Ke6
- 3.Qg4#
- 2...Kc4
- 2.Bb7+
- 1...Qe2
- 2.Bb7+
- 2...Kc4
- 3.Sxa5#
- 3.Sa3#
- 3.Qxe4#
- 2...Ke6
- 3.Qg4#
- 2...Kc4
- 2.Bb7+
- 1...Se2
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 2...Ke6
- 3.Qh3#
- 3.Qg4#
- 2...Kc4
- 2.Bb7+
- 1...Sh3
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 3.Qxe4#
- 2...Ke6
- 3.Qxh3#
- 3.Qg4#
- 2...Kc4
- 2.Bb7+
- 1...Sf4
- 2.Bb7+
- 2...Kc4
- 3.Sa3#
- 2...Ke6
- 3.Qg4#
- 2...Kc4
- 2.Bb7+
- 1...a3
- 2.Bb7+
- 2...Kc4
- 3.Sxa3#
- 3.Qxe4#
- 2...Ke6
- 3.Qg4#
- 2...Kc4
- 2.Bb7+
- threat
- 1.Qh4!
FEATURES
NOT CLASSIFIED
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).