MESON Chess Problem Database
Problem Display
PID: 141923 (B7/4K2p/1P6/4kpp1/2p2N2/2p4P/2Nnpn2/2QR1RB1 w - - 0 1)
Sulery, S
Phenix, 1989
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Kxf4
- 2.Bh2#
- 1...Sde4
- 2.Rd5#
- 1...Sxd1
- 2.Bd4#
- 1...Sh1
- 2.Bd4#
- 1...Sd3
- 2.Bd4#
- 1...Sxh3
- 2.Bd4#
- 1...Sfe4
- 2.Bd4#
- 1...Sg4
- 2.Bd4#
- 1...h5
- 2.Sg6#
- 1...h6
- 2.Sg6#
- 1...Kxf4
- Tries
- 1.Sd3+?
- 1...Sxd3
- 2.Bd4#
- 1...cxd3!
- 1...Sxd3
- 1.Bh2?
- threat
- 2.Sd3#
- 2.Sg6#
- 1...Sd3
- 2.Sxd3#
- 2.Sg6#
- 1...gxf4!
- threat
- 1.Qa3?
- threat
- 2.Qd6#
- 1...Kxf4
- 2.Bh2#
- 2.Qd6#
- 1...Sfe4
- 2.Bd4#
- 1...Sde4!
- threat
- 1.Sd3+?
- Keys
- 1.b7!
- threat
- 2.b8Q#
- 2.b8B#
- 1...Ke4
- 2.b8Q#
- 2.b8B#
- 1...Kxf4
- 2.b8Q#
- 2.b8B#
- 1...Sxf1
- 2.b8Q#
- 2.b8B#
- 1...Sxd1
- 2.b8Q#
- 2.b8B#
- 1...Sxh3
- 2.b8Q#
- 2.b8B#
- 1...exd1Q
- 2.b8Q#
- 2.b8B#
- 1...exd1S
- 2.b8Q#
- 2.b8B#
- 1...exd1B
- 2.b8Q#
- 2.b8B#
- 1...exd1R
- 2.b8Q#
- 2.b8B#
- 1...exf1Q
- 2.b8Q#
- 2.b8B#
- 1...exf1S
- 2.b8Q#
- 2.b8B#
- 1...exf1B
- 2.b8Q#
- 2.b8B#
- 1...exf1R
- 2.b8Q#
- 2.b8B#
- 1...gxf4
- 2.b8Q#
- 2.b8B#
- 1...e1Q
- 2.b8Q#
- 2.b8B#
- 1...e1S
- 2.b8Q#
- 2.b8B#
- 1...e1B
- 2.b8Q#
- 2.b8B#
- 1...e1R
- 2.b8Q#
- 2.b8B#
- 1...Sb1
- 2.b8Q#
- 2.b8B#
- 1...Sb3
- 2.b8Q#
- 2.b8B#
- 1...Sf3
- 2.b8Q#
- 2.b8B#
- 1...Sde4
- 2.Rd5#
- 1...Sh1
- 2.b8Q#
- 2.b8B#
- 1...Sd3
- 2.b8Q#
- 2.b8B#
- 1...Sfe4
- 2.Bd4#
- 1...Sg4
- 2.b8Q#
- 2.b8B#
- 1...g4
- 2.b8Q#
- 2.b8B#
- 1...h5
- 2.b8Q#
- 2.b8B#
- 1...h6
- 2.b8Q#
- 2.b8B#
- threat
- 1.b7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- K(f);OGATEB,P_SPINS(a),S_FLIGHT,XS(G)::B(D)
- S(a);OGATE,SBLOCK::R1(B)
- S(c);OGATE,XR(B)::B(D)
- S(c);OGATE::B(D)
- S(c);OGATE,XP(F)::B(D)
- P(i);N_GUARD::S(G)
- Tries
- Try
- S(G);CHECK
- Vars
- S(c);OGATE,XS(G)::B(D)
- Refutation
- P(e);XS(G)
- Try
- B(D);
- Threat
- DUALS(2)
- Refutation
- P(h);P_SPINP(h),XS(G)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- S(c);OGATE::B(D)
- Refutation
- S(a);
- Try
- Actual
- P(H);
- Threat
- P=Q
- Vars
- K(f);P-FLIGHT::P=Q
- K(f);P_SPINS(a),S_FLIGHT,XS(G)::P=Q
- S(a);XR(C)::P=Q
- S(c);XR(B)::P=Q
- S(c);XP(F)::P=Q
- P(b);XR(B)::P=Q
- P(b);XR(C)::P=Q
- P(h);SBLOCK,XS(G)::P=Q
- P(b);::P=Q
- S(a);::P=Q
- S(a);OGATE,SBLOCK::R1(B)
- S(c);::P=Q
- S(c);OGATE,SBLOCK::B(D)
- P(h);::P=Q
- P(i);::P=Q
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