MESON Chess Problem Database
Problem Display
PID: 16094 (2B5/1b6/Q5p1/3qn1R1/3nk3/2P2p2/1N3K1B/3R4 w - - 0 1)
Yarmonov, Igor Petrovich
Probleemblad, 2000
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Qa2
- 2.Rxd4#
- 2.Rxe5#
- 1...Qb3
- 2.Rxd4#
- 2.Rxe5#
- 1...Qc4
- 2.Rxe5#
- 1...Qc6
- 2.Rxd4#
- 2.Rxe5#
- 1...Qe6
- 2.Rxd4#
- 1...Qf7
- 2.Rxd4#
- 2.Rxe5#
- 1...Qg8
- 2.Rxd4#
- 2.Rxe5#
- 1...Qa5
- 2.Rxd4#
- 1...Qb5
- 2.Rxd4#
- 1...Qd7
- 2.Rxe5#
- 1...Qd8
- 2.Rxe5#
- 1...Sb3
- 2.Re1#
- 1...Sb5
- 2.Re1#
- 1...Sdc6
- 2.Re1#
- 1...Se6
- 2.Re1#
- 1...Sd3+
- 2.Qxd3#
- 1...Sc4
- 2.Rg4#
- 1...Sg4+
- 2.Rxg4#
- 1...Sec6
- 2.Rg4#
- 2.Qd3#
- 1...Sd7
- 2.Qd3#
- 1...Sf7
- 2.Rg4#
- 2.Qd3#
- 1...Qa2
- Tries
- 1.Bxb7?
- threat
- 2.Rxd4#
- 2.Rxe5#
- 1...Sd3+
- 2.Qxd3#
- 1...Sc2
- 2.Bxd5#
- 2.Rxe5#
- 1...Se2
- 2.Bxd5#
- 2.Rxe5#
- 1...Sb3
- 2.Bxd5#
- 2.Re1#
- 2.Rxe5#
- 1...Sb5
- 2.Bxd5#
- 2.Re1#
- 2.Rxe5#
- 1...Sf5
- 2.Bxd5#
- 1...Sdc6
- 2.Re1#
- 1...Se6
- 2.Bxd5#
- 2.Re1#
- 2.Rxe5#
- 1...Sc4
- 2.Bxd5#
- 2.Rxd4#
- 1...Sec6
- 2.Qd3#
- 1...Sd7
- 2.Bxd5#
- 2.Rxd4#
- 2.Qd3#
- 1...Sf7
- 2.Bxd5#
- 2.Rxd4#
- 2.Qd3#
- 1...Sg4+!
- threat
- 1.Qxb7?
- threat
- 2.Rxd4#
- 2.Rxe5#
- 1...Sg4+
- 2.Rxg4#
- 1...Sc2
- 2.Rxe5#
- 2.Qxd5#
- 1...Se2
- 2.Rxe5#
- 2.Qxd5#
- 1...Sb3
- 2.Re1#
- 2.Rxe5#
- 2.Qxd5#
- 1...Sb5
- 2.Re1#
- 2.Rxe5#
- 2.Qxd5#
- 1...Sf5
- 2.Qxd5#
- 1...Sdc6
- 2.Re1#
- 1...Se6
- 2.Re1#
- 2.Rxe5#
- 2.Qxd5#
- 1...Sc4
- 2.Rxd4#
- 2.Rg4#
- 2.Qxd5#
- 1...Sec6
- 2.Rg4#
- 1...Sd7
- 2.Rxd4#
- 2.Qxd5#
- 1...Sf7
- 2.Rxd4#
- 2.Rg4#
- 2.Qxd5#
- 1...Sd3+!
- threat
- 1.Qe6?
- threat
- 2.Rg4#
- 1...Qxe6
- 2.Rxd4#
- 1...Sxe6
- 2.Re1#
- 1...Se2!
- threat
- 1.Qxg6+?
- 1...Sf5
- 2.Bxf5#
- 2.Re1#
- 2.Qxf5#
- 1...Sxg6!
- 1...Sf5
- 1.Bxb7?
- Keys
- 1.Qc4!
- threat
- 2.Re1#
- 1...Sd3+
- 2.Qxd3#
- 1...Sg4+
- 2.Rxg4#
- 1...Qxc4
- 2.Rxe5#
- 1...Sxc4
- 2.Rg4#
- threat
- 1.Qc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 10
- Sets
- Q(d);N_GUARD::R1(F),XS(e)
- Q(d);N_GUARD::R1(A),XS(b)
- S(b);N_GUARD::R(A)
- S(e);CHECK,N_GUARD::QAB1(G),XS(e)
- S(e);N_GUARD::R(F)
- S(e);CHECK,N_GUARD::R(F),XS(e)
- S(e);N_GUARD::QAB1(G)
- Tries
- Try
- B(H);P_PINQ(d),XB(g)
- Threat
- DUALS(2)
- Vars
- S(e);CHECK,N_GUARD::QAB1(G),XS(e)
- S(b);::B(H),XQ(d)
- S(b);N_GUARD,N_SPINQ(d)::R(A)
- S(e);N_GUARD,N_SPINQ(d)::QAB1(G)
- Refutation
- S(e);CHECK
- Try
- Q(G);P_PINQ(d),XB(g)
- Threat
- DUALS(2)
- Vars
- S(e);CHECK,N_GUARD::R(F),XS(e)
- S(b);::QAB1(G),XQ(d)
- S(b);N_GUARD,N_SPINQ(d)::R(A)
- S(e);N_GUARD,N_SPINQ(d)::R(F)
- Refutation
- S(e);CHECK
- Try
- Q(G);P_PINS(e)
- Threat
- R(F)
- Vars
- Q(d);N_GUARD,N_SPINS(e),XQ(G)::R1(A),XS(b)
- S(b);N_GUARD,N_SPINS(e),XQ(G)::R(A)
- Refutation
- S(b);
- Try
- Q(G);CHECK,XP(f)
- Refutation
- S(e);XQ(G)
- Try
- Actual
- Q(G);P_PINS(b)
- Threat
- R(A)
- Vars
- S(e);CHECK,N_GUARD::QAB1(G),XS(e)
- S(e);CHECK,N_GUARD::R(F),XS(e)
- Q(d);N_GUARD,N_SPINS(b),XQ(G)::R1(F),XS(e)
- S(e);N_GUARD,N_SPINS(b),XQ(G)::R(F)
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