MESON Chess Problem Database
Problem Display
PID: 121840 (8/8/8/4p3/4Bp2/1p3K2/P2Q4/k7 w - - 0 1)
Lobastov, G
Komuna, 1977
#3
4 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...bxa2
- 2.Qc1#
- 2.Qc3#
- 1...b2
- 2.Qb4
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qd1+
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qc2
- threat
- 3.Qb1#
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- threat
- 2.Qb4
- 1...bxa2
- Tries
- 1.Ke2?
- 1...b2
- 2.Qd1+
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qd1+
- 1...f3+!
- 1...b2
- 1.Kf2?
- 1...b2
- 2.Qd1+
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qc2
- threat
- 3.Qb1#
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- threat
- 2.Qd1+
- 1...f3!
- 1...b2
- 1.Kg2?
- 1...b2
- 2.Qd1+
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qd1+
- 1...f3+!
- 1...b2
- 1.Kg4?
- 1...b2
- 2.Qd1+
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qc2
- threat
- 3.Qb1#
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- threat
- 2.Qd1+
- 1...f3!
- 1...b2
- 1.Bd3?
- 1...b2
- 2.Qd1+
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qd1+
- 1...e4+!
- 1...b2
- 1.Bf5?
- 1...b2
- 2.Qd1+
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qd1+
- 1...e4+!
- 1...b2
- 1.Bg6?
- 1...b2
- 2.Qd1+
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qd1+
- 1...e4+!
- 1...b2
- 1.Bh7?
- 1...b2
- 2.Qd1+
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qd1+
- 1...e4+!
- 1...b2
- 1.Qc3+?
- 1...b2
- 2.Qb4
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qc2
- threat
- 3.Qb1#
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- threat
- 2.Qb3
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...b1Q
- 2.Qb4
- 1...Kxa2!
- 1...b2
- 1.Qb4?
- 1...Kb2
- 2.Qxb3+
- 2...Ka1
- 3.Qb1#
- 2...Kc1
- 3.Qc2#
- 2...Ka1
- 2.Qxb3+
- 1...b2
- 2.Qb3
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...b1Q
- 2.Qb5
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qb3
- 1...Kxa2!
- 1...Kb2
- 1.Qa5?
- 1...b2
- 2.Qb4
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qb5
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qb4
- 1...Kb2!
- 1...b2
- 1.Qd1+?
- 1...Kb2
- 2.Qxb3+
- 2...Ka1
- 3.Qb1#
- 2...Kc1
- 3.Qc2#
- 2...Ka1
- 2.Qxb3+
- 1...Kxa2!
- 1...Kb2
- 1.Qc2?
- threat
- 2.Qb1#
- 1...bxa2
- 2.Qc1#
- 2.Qc3#
- 1...bxc2!
- threat
- 1.Qe2?
- 1...b2
- 2.Qd1+
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qb5
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qc2
- threat
- 3.Qb1#
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- threat
- 2.Qd1+
- 1...bxa2!
- 1...b2
- 1.Qf2?
- 1...b2
- 2.Qc2
- threat
- 3.Qb1#
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- threat
- 2.Qc2
- 1...bxa2!
- 1...b2
- 1.Qg2?
- 1...b2
- 2.Qc2
- threat
- 3.Qb1#
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- threat
- 2.Qc2
- 1...bxa2!
- 1...b2
- 1.Qd3?
- threat
- 2.Qb1#
- 1...Kb2
- 2.Qxb3+
- 2...Ka1
- 3.Qb1#
- 2...Kc1
- 3.Qc2#
- 2...Ka1
- 2.Qxb3+
- 1...Kxa2!
- threat
- 1.Qd5?
- 1...Kb2
- 2.Qxb3+
- 2...Ka1
- 3.Qb1#
- 2...Kc1
- 3.Qc2#
- 2...Ka1
- 2.Qxb3+
- 1...b2
- 2.Qb3
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...b1Q
- 2.Qd1+
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qb5
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- 2...Kxa2
- 2.Qb3
- 1...Kxa2!
- 1...Kb2
- 1.Ke2?
- Keys
- 1.Qh2!
- 1...bxa2
- 2.Kg4
- 2...f3
- 3.Qxe5#
- 2...f3
- 2.Kg4
- 1...b2
- 2.Qc2
- threat
- 3.Qb1#
- 2...Kxa2
- 3.Qa4#
- 2...b1Q
- 3.Qxb1#
- 2...b1S
- 3.Qxb1#
- 2...b1B
- 3.Qxb1#
- 2...b1R
- 3.Qxb1#
- threat
- 2.Qc2
- 1...bxa2
- 1.Qh2!
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