MESON Chess Problem Database
Problem Display
PID: 267076 (8/6b1/1pp4n/6Q1/bPPkB2p/K2pR1qp/1P1N1Pp1/8 w - - 0 1)
Bunting, Joe
The Problemist, 1955
#2
9 + 11
SOLUTION
- SOUND
- Sets
- 1...Qxf2
- 2.Rxd3#
- 1...Qh2
- 2.Rxd3#
- 1...Qf4
- 2.Rxd3#
- 1...Qe5
- 2.Rxd3#
- 1...Qd6
- 2.Rxd3#
- 1...Qc7
- 2.Rxd3#
- 1...Qb8
- 2.Rxd3#
- 1...Qxe3
- 2.Qxg7#
- 2.fxe3#
- 1...Qg4
- 2.Rxd3#
- 1...b5
- 2.Qc5#
- 1...c5
- 2.Qd5#
- 1...Qxf2
- Tries
- 1.Sb3+?
- 1...Kxc4
- 2.Bxd3#
- 1...Bxb3!
- 1...Kxc4
- 1.Sf3+?
- 1...Kxc4
- 2.Bxd3#
- 1...Qxf3!
- 1...Kxc4
- 1.Bd5?
- threat
- 2.Re4#
- 1...Qxe3
- 2.Qxe3#
- 2.fxe3#
- 1...cxd5
- 2.Qxd5#
- 1...Qe5
- 2.Sf3#
- 1...Qf4
- 2.Qxf4#
- 1...Qf3
- 2.Sxf3#
- 1...Qg4!
- threat
- 1.Bg6?
- threat
- 2.Re4#
- 1...Qxe3
- 2.Qxe3#
- 2.fxe3#
- 1...Qe5
- 2.Rxd3#
- 1...Qf4
- 2.Rxd3#
- 2.Qxf4#
- 1...Qg4
- 2.Rxd3#
- 1...Qf3!
- threat
- 1.Bh7?
- threat
- 2.Re4#
- 1...Qxe3
- 2.Qxe3#
- 2.fxe3#
- 1...Qe5
- 2.Rxd3#
- 1...Qf4
- 2.Rxd3#
- 2.Qxf4#
- 1...Qg4
- 2.Rxd3#
- 1...Qf3!
- threat
- 1.Rxg3?
- threat
- 2.Rxd3#
- 2.Qxg7#
- 1...hxg3
- 2.Qxg7#
- 1...Bc2
- 2.Qxg7#
- 1...Be5
- 2.Rxd3#
- 2.Qe3#
- 1...Bf6
- 2.Rxd3#
- 2.Qxf6#
- 1...Bf8
- 2.Rxd3#
- 2.Qf6#
- 1...Bh8
- 2.Rxd3#
- 1...Sg4
- 2.Rxd3#
- 1...Sf7
- 2.Rxd3#
- 1...Sg8
- 2.Rxd3#
- 1...Sf5!
- threat
- 1.Qf6+?
- 1...Qe5
- 2.Rxd3#
- 1...Bxf6!
- 1...Qe5
- 1.Qd8+?
- 1...Qd6
- 2.Qxd6#
- 1...Ke5!
- 1...Qd6
- 1.Qxg3?
- threat
- 2.Rxd3#
- 2.Qd6#
- 2.Qxg7#
- 1...g1Q
- 2.Rxd3#
- 2.Qd6#
- 1...g1R
- 2.Rxd3#
- 2.Qd6#
- 1...Bc2
- 2.Qd6#
- 2.Qxg7#
- 1...Be5
- 2.Rxd3#
- 1...Bf6
- 2.Rxd3#
- 2.Qd6#
- 1...Bf8
- 2.Rxd3#
- 1...Bh8
- 2.Rxd3#
- 2.Qd6#
- 1...Sg4
- 2.Rxd3#
- 2.Qd6#
- 1...Sf5
- 2.Rxd3#
- 1...Sf7
- 2.Rxd3#
- 1...Sg8
- 2.Rxd3#
- 2.Qd6#
- 1...hxg3!
- threat
- 1.Qxg7+?
- 1...Qe5
- 2.Rxd3#
- 1...Qxg7!
- 1...Qe5
- 1.Sb3+?
- Keys
- 1.Bf5!
- threat
- 2.Re4#
- 1...Qxe3
- 2.Qxe3#
- 1...Qe5
- 2.Rxd3#
- 1...Qf4
- 2.Qxf4#
- 1...Qf3
- 2.Qxg7#
- 1...Qg4
- 2.Qd8#
- threat
- 1.Bf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- Q(c);N_GUARD,XP(C)::R1(E),XP(b)
- Q(c);N_GUARD::R1(E),XP(b)
- Q(c);N_GUARD,P_PINP(F)::R1(E),XP(b)
- P(h);N_GUARD::QAB1(I)
- P(i);N_GUARD::QAR1(I)
- Tries
- Try
- S(B);CHECK
- Vars
- K(f);P-FLIGHT,S_CUTB(e),XP(G)::B(H),XP(b)
- Refutation
- B(e);XS(B)
- Try
- S(B);CHECK
- Vars
- K(f);P-FLIGHT,S_CUTQ(c),XP(G)::B(H),XP(b)
- Refutation
- Q(c);XS(B)
- Try
- B(H);
- Threat
- R1(E)
- Vars
- P(i);OGATE,XB(H)::QAR1(I),XP(i)
- Q(c);N_GUARD::S(B)
- Q(c);N_GUARD::QAR2(I),XQ(c)
- Q(c);N_GUARD::S(B),XQ(c)
- Refutation
- Q(c);
- Try
- B(H);
- Threat
- R1(E)
- Vars
- Q(c);N_GUARD::R1(E),XP(b)
- Refutation
- Q(c);
- Try
- B(H);
- Threat
- R1(E)
- Vars
- Q(c);N_GUARD::R1(E),XP(b)
- Refutation
- Q(c);
- Try
- R(E);XQ(c)
- Threat
- DUALS(2)
- Vars
- P(g);XR(E)::QAB(I),XB(k)
- B(e);::QAB(I),XB(k)
- B(k);::R1(E),XP(b)
- S(j);::R1(E),XP(b)
- Refutation
- S(j);
- Try
- Q(I);CHECK
- Vars
- Q(c);P_SPINQ(c)::R1(E),XP(b)
- Refutation
- B(k);XQ(I)
- Try
- Q(I);CHECK
- Vars
- Q(c);N_GUARD,P_PINP(F),P_SPINQ(c)::QAR2(I),XQ(c)
- Refutation
- K(f);S_FLIGHT
- Try
- Q(I);XQ(c)
- Threat
- DUALS(3)
- Vars
- B(k);::R1(E),XP(b)
- B(k);P_PINP(F)::R1(E),XP(b)
- S(j);::R1(E),XP(b)
- Refutation
- P(g);XQ(I)
- Try
- Q(I);CHECK,XB(k)
- Vars
- Q(c);P_SPINQ(c)::R1(E),XP(b)
- Refutation
- Q(c);XQ(I)
- Try
- Actual
- B(H);
- Threat
- R1(E)
- Vars
- Q(c);OGATE,XR(E)::QAB1(I),XQ(c)
- Q(c);N_GUARD,SBLOCK::R1(E),XP(b)
- Q(c);N_GUARD::QAR2(I),XQ(c)
- Q(c);N_GUARD::QAB(I),XB(k)
- Q(c);N_GUARD::QAR(I)
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