MESON Chess Problem Database
Problem Display
PID: 252620 (1b4b1/5N2/r7/1PPk1B1p/p4p1B/K1Q1p3/P2P1N2/5r2 w - - 0 1)
Efrosinin, Oleg
StrateGems, 2021
#3
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra5
- 2.Sg5
- threat
- 3.Be4#
- 2...Bh7
- 3.Be6#
- threat
- 2.Sg5
- 1...Rb6
- 2.Qd3+
- 2...Kxc5
- 3.Se4#
- 2...Kxc5
- 2.Qd3+
- 1...Rd6
- 2.Sd3
- threat
- 3.Sb4#
- 2...Rb1
- 3.Sxf4#
- threat
- 2.Sd3
- 1...Ra8
- 2.Sg5
- threat
- 3.Be4#
- 2...Bh7
- 3.Be6#
- threat
- 2.Sg5
- 1...Be5
- 2.Qxe5+
- 2...Kc4
- 3.Bd3#
- 2...Kc4
- 2.Qxe5+
- 1...Ba7
- 2.Sd3
- threat
- 3.Sb4#
- 2...Bxc5+
- 3.Qxc5#
- 2...Rb1
- 3.Sxf4#
- threat
- 2.Qe5+
- 2...Kc4
- 3.Bd3#
- 2...Kc4
- 2.Sd3
- 1...f3
- 2.dxe3
- threat
- 3.Qd4#
- 3.e4#
- threat
- 2.dxe3
- 1...Ra5
- Tries
- 1.Kb4?
- threat
- 2.Qd3#
- 2.Qc4#
- 1...Bxf7
- 2.Qd3+
- 2...Ke5
- 3.Qe4#
- 2...Ke5
- 2.Qc4+
- 2...Ke5
- 3.Qe4#
- 2...Ke5
- 2.Qd3+
- 1...Rb1+!
- threat
- 1.Se5?
- threat
- 2.Sfd3
- threat
- 3.Sb4#
- 3.Qc4#
- threat
- 2.Qd3+
- 2...Kxc5
- 3.Sd7#
- 2...Kxe5
- 3.Qe4#
- 2...Kxc5
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.Sfd3
- 1...Rxf2
- 2.Sd3
- threat
- 3.Sb4#
- threat
- 2.Qd3+
- 2...Kxc5
- 3.Sd7#
- 2...Kxe5
- 3.Qe4#
- 2...Kxc5
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.Sd3
- 1...exf2
- 2.Qd3+
- 2...Kxc5
- 3.Sd7#
- 2...Kxe5
- 3.Qe4#
- 2...Kxc5
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.Qd3+
- 1...Ra1
- 2.Qd3+
- 2...Kxc5
- 3.Sd7#
- 2...Kxe5
- 3.Qe4#
- 2...Kxc5
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.Qd3+
- 1...Rb1
- 2.Qd3+
- 2...Kxc5
- 3.Sd7#
- 2...Kxe5
- 3.Qe4#
- 2...Kxc5
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.Qd3+
- 1...Rc1
- 2.Qd3+
- 2...Kxc5
- 3.Sd7#
- 2...Kxe5
- 3.Qe4#
- 2...Kxc5
- 2.Qd3+
- 1...Rd1
- 2.Sfd3
- threat
- 3.Sb4#
- 3.Sxf4#
- 3.Qc4#
- threat
- 2.Qd3+
- 2...Kxc5
- 3.Sd7#
- 2...Kxe5
- 3.Qe4#
- 2...Kxc5
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.Sfd3
- 1...Re1
- 2.Sfd3
- threat
- 3.Sb4#
- 3.Sxf4#
- 3.Qc4#
- threat
- 2.Qd3+
- 2...Kxc5
- 3.Sd7#
- 2...Kxe5
- 3.Qe4#
- 2...Kxc5
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.Sfd3
- 1...Rg1
- 2.Sfd3
- threat
- 3.Sb4#
- 3.Sxf4#
- 3.Qc4#
- threat
- 2.Qd3+
- 2...Kxc5
- 3.Sd7#
- 2...Kxe5
- 3.Qe4#
- 2...Kxc5
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.Sfd3
- 1...Rh1
- 2.Sfd3
- threat
- 3.Sb4#
- 3.Sxf4#
- 3.Qc4#
- threat
- 2.Qd3+
- 2...Kxc5
- 3.Sd7#
- 2...Kxe5
- 3.Qe4#
- 2...Kxc5
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.Sfd3
- 1...Rb6
- 2.Sfd3
- threat
- 3.Sb4#
- 3.Qc4#
- threat
- 2.Qd3+
- 2...Kxc5
- 3.Se4#
- 3.Sd7#
- 2...Kxe5
- 3.Qe4#
- 2...Kxc5
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.Sfd3
- 1...Rc6
- 2.Sfd3
- threat
- 3.Sb4#
- 3.Qc4#
- 2...Rxc5
- 3.Qxc5#
- threat
- 2.Sxc6
- threat
- 3.Sb4#
- 3.Se7#
- 3.Qd4#
- threat
- 2.Qd3+
- 2...Kxc5
- 3.Sd7#
- 2...Kxe5
- 3.Qe4#
- 2...Kxc5
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.Sfd3
- 1...Rd6
- 2.Sfd3
- threat
- 3.Sb4#
- 3.Qc4#
- threat
- 2.Sed3
- threat
- 3.Sb4#
- 3.Sxf4#
- threat
- 2.Sf3
- threat
- 3.Qd4#
- threat
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.Sfd3
- 1...Ra7
- 2.Sfd3
- threat
- 3.Sb4#
- 3.Qc4#
- threat
- 2.Sc6
- threat
- 3.Sb4#
- 3.Qd4#
- threat
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.Sfd3
- 1...Bd6
- 2.Sfd3
- threat
- 3.Sb4#
- 3.Qc4#
- 2...Bxc5+
- 3.Qxc5#
- threat
- 2.Qd3+
- 2...Kxc5
- 3.Sd7#
- 2...Kxe5
- 3.Qe4#
- 2...Kxc5
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.Sfd3
- 1...Ba7
- 2.Sfd3
- threat
- 3.Sb4#
- 3.Qc4#
- 2...Bxc5+
- 3.Qxc5#
- threat
- 2.Sed3
- threat
- 3.Sb4#
- 3.Sxf4#
- 2...Bxc5+
- 3.Qxc5#
- threat
- 2.Sd7
- threat
- 3.Qd3#
- 2...Bxc5+
- 3.Qxc5#
- threat
- 2.Qd3+
- 2...Kxc5
- 3.Sd7#
- 2...Kxe5
- 3.Qe4#
- 2...Kxc5
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.Sfd3
- 1...f3
- 2.Sfd3
- threat
- 3.Sb4#
- 3.Sf4#
- 3.Qc4#
- threat
- 2.Qd3+
- 2...Kxc5
- 3.Sd7#
- 2...Kxe5
- 3.Qe4#
- 2...Kxc5
- 2.Qc4+
- 2...Kxe5
- 3.Qe4#
- 2...Kxe5
- 2.dxe3
- threat
- 3.Qd4#
- 3.e4#
- threat
- 2.Sfd3
- 1...Bxe5!
- threat
- 1.Bf6?
- threat
- 2.Qd4#
- 1...Be5
- 2.Bxe5
- threat
- 3.Qd4#
- threat
- 2.Qxe5+
- 2...Kc4
- 3.Bd3#
- 2...Kc4
- 2.Bxe5
- 1...Rxf6!
- threat
- 1.Qe5+?
- 1...Kc4
- 2.Bd3#
- 1...Bxe5!
- 1...Kc4
- 1.dxe3?
- threat
- 2.Qd4#
- 2.e4#
- 1...Rd1
- 2.e4#
- 1...Re1
- 2.Qd4#
- 1...Re6
- 2.Qd4#
- 1...Be5
- 2.e4#
- 1...fxe3!
- threat
- 1.d3?
- threat
- 2.Qc4#
- 1...Bxf7
- 2.Qc4+
- 2...Ke5
- 3.Qe4#
- 2...Ke5
- 2.Qc4+
- 1...Rc1!
- threat
- 1.Kb4?
- Keys
- 1.Be7!
- threat
- 2.Qd3#
- 1...Bxf7
- 2.Qd3+
- 2...Ke5
- 3.Qe4#
- 2...Ke5
- 2.Qd3+
- 1...Rd6
- 2.Sd3
- threat
- 3.Sb4#
- 2...Rb1
- 3.Sxf4#
- threat
- 2.Sd3
- 1...Be5
- 2.Qxe5+
- 2...Kc4
- 3.Bd3#
- 2...Kc4
- 2.Qxe5+
- 1...Bd6
- 2.Sg5
- threat
- 3.Be4#
- 2...Bxc5+
- 3.Qxc5#
- 2...Bh7
- 3.Be6#
- threat
- 2.Sg5
- threat
- 1.Be7!
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