MESON Chess Problem Database
Problem Display
PID: 144240 (5K2/b2NR2Q/r3BBN1/2p2n2/2Rpk1P1/q4rP1/3PP1P1/8 w - - 0 1)
Fleck, Ferenc
Magyar Sakkvilag, 1931
#2
13 + 8
SOLUTION
- SOUND
- Sets
- 1...Qc1
- 2.gxf3#
- 1...Qb2
- 2.gxf3#
- 1...Qb4
- 2.gxf3#
- 1...Qa1
- 2.gxf3#
- 1...Qa2
- 2.gxf3#
- 1...Qa4
- 2.gxf3#
- 1...Qa5
- 2.gxf3#
- 1...Se3
- 2.gxf3#
- 1...Sd6
- 2.Bf7#
- 2.Bg8#
- 1...Qc1
- Tries
- 1.Sf4?
- threat
- 2.Bd5#
- 2.Bxf5#
- 2.Qxf5#
- 1...Rxg3
- 2.Qxf5#
- 1...Rxe6
- 2.Rxe6#
- 2.Qxf5#
- 1...Rxf4!
- threat
- 1.Sxc5+?
- 1...Qxc5
- 2.gxf3#
- 1...Bxc5!
- 1...Qxc5
- 1.Rxc5?
- threat
- 2.Bd5#
- 2.Bxf5#
- 2.Re5#
- 1...Qxc5
- 2.gxf3#
- 1...Rxe6
- 2.Rxe6#
- 1...Sxg3
- 2.Bd5#
- 2.Bf5#
- 2.Re5#
- 1...Sxe7
- 2.Re5#
- 1...Qa5
- 2.Bd5#
- 2.Bxf5#
- 2.gxf3#
- 1...Ra5
- 2.Bd5#
- 2.Bxf5#
- 1...Bb8
- 2.Bd5#
- 2.Bxf5#
- 1...Se3
- 2.Bd5#
- 2.Bf5#
- 2.Re5#
- 2.gxf3#
- 1...Sh4
- 2.Bd5#
- 2.Bf5#
- 2.Re5#
- 1...Sd6
- 2.Ba2#
- 2.Bb3#
- 2.Bc4#
- 2.Bd5#
- 2.Bf5#
- 2.Bf7#
- 2.Bg8#
- 2.Re5#
- 1...Sh6
- 2.Bd5#
- 2.Bf5#
- 2.Re5#
- 1...Sg7
- 2.Bd5#
- 2.Bf5#
- 2.Re5#
- 1...d3
- 2.Bd5#
- 2.Bxf5#
- 2.exf3#
- 2.gxf3#
- 1...Bxc5!
- threat
- 1.Qg8?
- threat
- 2.Bd5#
- 2.Bxf5#
- 1...Rxe6
- 2.Qxe6#
- 1...Sxg3
- 2.Bd5#
- 2.Bf5#
- 1...Se3
- 2.Bd5#
- 2.Bf5#
- 2.gxf3#
- 1...Sh4
- 2.Bd5#
- 2.Bf5#
- 1...Sd6
- 2.Bd5#
- 2.Bf5#
- 2.Bf7#
- 1...Sh6
- 2.Bd5#
- 2.Bf5#
- 1...Sg7
- 2.Bd5#
- 2.Bf5#
- 1...Sxe7!
- threat
- 1.Qf7?
- threat
- 2.Bd5#
- 2.Bxf5#
- 1...Rxe6
- 2.Qxe6#
- 1...Sxg3
- 2.Bd5#
- 2.Bf5#
- 1...Se3
- 2.Bd5#
- 2.Bf5#
- 2.gxf3#
- 1...Sh4
- 2.Bd5#
- 2.Bf5#
- 1...Sd6
- 2.Bd5#
- 2.Bf5#
- 1...Sh6
- 2.Bd5#
- 2.Bf5#
- 1...Sg7
- 2.Bd5#
- 2.Bf5#
- 1...Sxe7!
- threat
- 1.Sf4?
- Keys
- 1.Bxd4!
- threat
- 2.Sf6#
- 1...Se3+
- 2.gxf3#
- 1...Sxg3+
- 2.Bf6#
- 1...Sxd4+
- 2.Sf4#
- 1...Sh4+
- 2.Bf6#
- 1...Sd6+
- 2.Bf7#
- 1...Sh6+
- 2.Bf6#
- 1...Sxe7+
- 2.Bf6#
- 1...Sg7+
- 2.Bf6#
- threat
- 1.Bxd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 7
- Sets
- Q(a);N_GUARD::P(C),XR(b)
- S(f);P_PINB(H),S_CUTQ(a)::P(C),XR(b)
- Tries
- Try
- S(I);P_PINS(f)
- Threat
- DUALS(3)
- Vars
- R(b);XP(D)::QAB1(L),XS(f)
- Refutation
- R(b);XS(I)
- Try
- S(J);CHECK,XP(e)
- Vars
- Q(a);P_PINR(K),XS(J)::P(C),XR(b)
- Refutation
- B(h);P_PINR(K),XS(J)
- Try
- R(E);N_PINP(c),XP(e)
- Threat
- DUALS(3)
- Vars
- Q(a);N_GUARD,P_PINR(K),XR(E)::P(C),XR(b)
- R(g);OGATE,P_SPINR(g),XB(G)::R(K),XR(g)
- S(f);P_PINB(H),XR(K)::R1(E)
- Refutation
- B(h);P_PINR(K),XR(E)
- Try
- Q(L);
- Threat
- DUALS(2)
- Vars
- R(g);OGATE,P_SPINR(g),XB(G)::QAR2(L),XR(g)
- Refutation
- S(f);P_PINB(H),XR(K)
- Try
- Q(L);
- Threat
- DUALS(2)
- Vars
- R(g);OGATE,P_SPINR(g),XB(G)::QAR2(L),XR(g)
- Refutation
- S(f);XR(K)
- Try
- Actual
- B(H);XP(c)
- Threat
- S(J)
- Vars
- S(f);CHECK,S_CUTQ(a)::P(C),XR(b)
- S(f);CHECK,N_GUARD,XP(D)::R(E)+B(H)
- S(f);CHECK,P_SPINS(f),XB(H)::QAB(L)+S(I)
- S(f);CHECK,N_GUARD::R(E)+B(H)
- S(f);CHECK,N_GUARD,S_CUTR(g)::R(K)+B(G)
- S(f);CHECK,N_GUARD,XR(K)::R(E)+B(H)
Developed and maintained by Brian Stephenson.
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