MESON Chess Problem Database
Problem Display
PID: 134838 (8/2N2p2/1n5Q/4k3/1P1p2B1/3RNPn1/2KP4/8 w - - 0 1)
Kopyl, Valery Volodimirovich
Die Schwalbe, 2009
#2
9 + 5
SOLUTION
- SOUND
- Sets
- 1...Se4
- 2.f4#
- 1...Sa4
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sd5
- 2.Sc4#
- 1...Sd7
- 2.Sc4#
- 1...Sa8
- 2.Sc4#
- 1...Sc8
- 2.Sc4#
- 1...dxe3
- 2.Qd6#
- 1...Se4
- Tries
- 1.Scd5?
- threat
- 2.Qf4#
- 2.Qf6#
- 1...Sxd5
- 2.Sc4#
- 1...f6
- 2.Qf4#
- 2.Qxf6#
- 1...Se2
- 2.Qf6#
- 1...Se4
- 2.Qf4#
- 2.f4#
- 1...Sf5
- 2.Qf6#
- 1...Sd7
- 2.Qf4#
- 1...f5
- 2.Qf6#
- 1...Sh5!
- threat
- 1.Se8?
- threat
- 2.Qd6#
- 2.Qf6#
- 1...Se4
- 2.f4#
- 1...Sh5
- 2.Qd6#
- 1...Sc4
- 2.Qf6#
- 1...Sd5
- 2.Sc4#
- 2.Qd6#
- 1...Sd7
- 2.Qd6#
- 1...Sc8
- 2.Qf6#
- 1...f5
- 2.Qd6#
- 1...f6
- 2.Qxf6#
- 1...Sf5!
- threat
- 1.Scd5?
- Keys
- 1.Rxd4!
- threat
- 2.Qf4#
- 2.Qd6#
- 1...Kxd4
- 2.Qf6#
- 1...Se2
- 2.Re4#
- 2.Qd6#
- 1...Se4
- 2.Rxe4#
- 1...Sf5
- 2.Re4#
- 1...Sh5
- 2.Re4#
- 2.Qd6#
- 1...Sc4
- 2.Rd5#
- 2.Qf4#
- 1...Sd5
- 2.Rxd5#
- 1...Sc8
- 2.Rd5#
- 2.Qf4#
- 1...f5
- 2.Qg7#
- 2.Qd6#
- 2.Qh8#
- 1...f6
- 2.Qf4#
- threat
- 1.Rxd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- S(a);SBLOCK::P(E)
- S(d);N_GUARD::S(D)
- S(d);N_GUARD::S(D),XS(d)
- P(b);XS(D)::QAB1(H)
- Tries
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- S(d);N_GUARD,SBLOCK,XS(I)::S(D)
- S(a);::QAB1(H)
- S(d);::QAB1(H)
- P(e);::QAB1(H)
- Refutation
- S(a);
- Try
- S(I);
- Threat
- DUALS(2)
- Vars
- S(a);SBLOCK::P(E)
- S(a);::QAB1(H)
- S(d);::QAB1(H)
- P(e);::QAB1(H)
- P(e);::QAB1(H),XP(e)
- Refutation
- S(a);
- Try
- Actual
- R(C);XP(b)
- Threat
- DUALS(2)
- Vars
- K(c);S_FLIGHT,XR(C)::QAB(H)
- S(a);N_GUARD::R1(C),XS(a)
- S(a);N_GUARD::R1(C)
- S(d);N_GUARD::R1(C),XS(d)
- P(e);::QAB1(H)
Developed and maintained by Brian Stephenson.
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