MESON Chess Problem Database
Problem Display
PID: 110675 (4K1n1/5P2/3p2R1/2nPk1Bb/1pP1p2r/4QpN1/5P1N/8 w - - 0 1)
Opdenoordt, Joseph J
Kocskemeti Tornaknyv, 1927
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxh2
- 2.Bf4#
- 1...Rh3
- 2.Bf4#
- 1...Rf4
- 2.Bxf4#
- 1...Rg4
- 2.Sxf3#
- 1...Bg4
- 2.Bf4#
- 1...Bxg6
- 2.Sxf3#
- 1...Sb3
- 2.Re6#
- 1...Sd3
- 2.Re6#
- 1...Sa4
- 2.Re6#
- 1...Sa6
- 2.Re6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Re6#
- 1...Sd7
- 2.Re6#
- 1...Sf6+
- 2.Bxf6#
- 1...Sh6
- 2.Bf6#
- 1...Se7
- 2.Bf6#
- 1...b3
- 2.Qc3#
- 1...Rxh2
- Tries
- 1.Kd8?
- 1...Se6+
- 2.Rxe6#
- 1...Rxh2
- 2.Bf4#
- 1...Bxg6
- 2.Sxf3#
- 1...Rh3
- 2.Bf4#
- 1...Rf4
- 2.Bxf4#
- 1...Rg4
- 2.Sxf3#
- 1...Bg4
- 2.Bf4#
- 1...Sb3
- 2.Re6#
- 1...Sd3
- 2.Re6#
- 1...Sa4
- 2.Re6#
- 1...Sa6
- 2.Re6#
- 1...Sd7
- 2.Re6#
- 1...Sf6
- 2.Bxf6#
- 1...Sh6
- 2.Bf6#
- 1...Se7
- 2.Bf6#
- 1...b3
- 2.Qc3#
- 1...Sb7+!
- 1...Se6+
- 1.Kf8?
- 1...Se6+
- 2.Rxe6#
- 1...Rxh2
- 2.Bf4#
- 1...Bxg6
- 2.Sxf3#
- 1...Rh3
- 2.Bf4#
- 1...Rf4
- 2.Bxf4#
- 1...Rg4
- 2.Sxf3#
- 1...Bg4
- 2.Bf4#
- 1...Sb3
- 2.Re6#
- 1...Sd3
- 2.Re6#
- 1...Sa4
- 2.Re6#
- 1...Sa6
- 2.Re6#
- 1...Sb7
- 2.Re6#
- 1...Sf6
- 2.Bxf6#
- 1...Sh6
- 2.Bf6#
- 1...Se7
- 2.Bf6#
- 1...b3
- 2.Qc3#
- 1...Sd7+!
- 1...Se6+
- 1.Sg4+?
- 1...Bxg4
- 2.Bf4#
- 1...Rxg4!
- 1...Bxg4
- 1.Bxh4?
- 1...Sf6+
- 2.Bxf6#
- 1...Bxg6
- 2.Sxf3#
- 2.Sg4#
- 1...Bg4
- 2.Sxg4#
- 1...Sb3
- 2.Re6#
- 2.Qxe4#
- 1...Sd3
- 2.Re6#
- 2.Qxe4#
- 1...Sa4
- 2.Re6#
- 2.Qxe4#
- 1...Sa6
- 2.Re6#
- 2.Qxe4#
- 1...Se6
- 2.Rxe6#
- 2.Qxe4#
- 1...Sb7
- 2.Re6#
- 2.Qxe4#
- 1...Sd7
- 2.Re6#
- 2.Qxe4#
- 1...Sh6
- 2.Bf6#
- 1...Se7
- 2.Bf6#
- 1...b3!
- 1...Sf6+
- 1.Be7?
- threat
- 2.Bxd6#
- 2.Rg5#
- 1...Sf6+
- 2.Bxf6#
- 1...Bxg6
- 2.Sxf3#
- 1...Rf4
- 2.Bxd6#
- 1...Rg4
- 2.Sxf3#
- 2.Bxd6#
- 1...Bg4
- 2.Bxd6#
- 1...Se6
- 2.Rxe6#
- 1...Sb7
- 2.Rg5#
- 2.Re6#
- 1...Sh6
- 2.Bxd6#
- 2.Bf6#
- 1...Sxe7!
- threat
- 1.fxg8Q?
- threat
- 2.Bf6#
- 2.Qg7#
- 2.Qh8#
- 1...Rf4
- 2.Bxf4#
- 1...Bg4
- 2.Bf4#
- 2.Bf6#
- 2.Qg7#
- 1...Se6
- 2.Bf6#
- 2.Qxe6#
- 1...Sd7
- 2.Qe6#
- 1...Bxg6+!
- threat
- 1.f8Q?
- threat
- 2.Qxd6#
- 2.Qf5#
- 1...Sf6+
- 2.Bxf6#
- 2.Qxf6#
- 1...Rf4
- 2.Bxf4#
- 2.Qxd6#
- 2.Qfxf4#
- 1...Bg4
- 2.Bf4#
- 2.Qxd6#
- 2.Qff4#
- 1...Se6
- 2.Qf5#
- 1...Sb7
- 2.Qf5#
- 1...Sh6
- 2.Bf6#
- 2.Qxd6#
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Se7
- 2.Bf6#
- 2.Qg7#
- 2.Qf6#
- 2.Qh8#
- 1...Bxg6+!
- threat
- 1.f8R?
- threat
- 2.Rf5#
- 1...Sf6+
- 2.Bxf6#
- 1...Rf4
- 2.Bxf4#
- 1...Bg4
- 2.Bf4#
- 1...Sh6
- 2.Bf6#
- 1...Se7
- 2.Bf6#
- 1...Bxg6+!
- threat
- 1.Kd8?
- Keys
- 1.f8S!
- 1...Bxg6+
- 2.Sxg6#
- 1...Sf6+
- 2.Bxf6#
- 1...Rxh2
- 2.Bf4#
- 1...Sd7
- 2.Sxd7#
- 1...Rh3
- 2.Bf4#
- 1...Rf4
- 2.Bxf4#
- 1...Rg4
- 2.Sxf3#
- 1...Bg4
- 2.Bf4#
- 1...Sb3
- 2.Sd7#
- 1...Sd3
- 2.Sd7#
- 1...Sa4
- 2.Sd7#
- 1...Sa6
- 2.Sd7#
- 1...Se6
- 2.Sd7#
- 1...Sb7
- 2.Sd7#
- 1...Sh6
- 2.Bf6#
- 1...Se7
- 2.Bf6#
- 1...b3
- 2.Qc3#
- 1...Bxg6+
- 1.f8S!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 8
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD,XS(B)::B(G)
- R(d);N_GUARD::B(G)
- R(d);N_GUARD::B(G),XR(d)
- R(d);S_CUTB(g)::S(B),XP(a)
- B(g);S_CUTR(d)::B(G)
- B(g);N_GUARD,P_PINP(I),XR(H)::S(B),XP(a)
- S(e);N_GUARD::R1(H)
- S(e);N_GUARD::R1(H),XS(e)
- S(i);CHECK,N_GUARD::B(G),XS(i)
- S(i);N_GUARD::B(G)
- P(b);N_GUARD::QAB(C)
- Tries
- Try
- K(J);P-FLIGHT
- Vars
- S(e);CHECK,N_GUARD::R1(H),XS(e)
- R(d);N_GUARD,XS(B)::B(G)
- B(g);N_GUARD,XR(H)::S(B),XP(a)
- R(d);N_GUARD::B(G)
- R(d);N_GUARD::B(G),XR(d)
- R(d);S_CUTB(g)::S(B),XP(a)
- B(g);S_CUTR(d)::B(G)
- S(e);N_GUARD::R1(H)
- S(i);N_GUARD::B(G),XS(i)
- S(i);N_GUARD::B(G)
- P(b);N_GUARD::QAB(C)
- Refutation
- S(e);CHECK
- Try
- K(J);P-FLIGHT
- Vars
- S(e);CHECK,N_GUARD::R1(H),XS(e)
- R(d);N_GUARD,XS(B)::B(G)
- B(g);N_GUARD,XR(H)::S(B),XP(a)
- R(d);N_GUARD::B(G)
- R(d);N_GUARD,P_PINP(I)::B(G),XR(d)
- R(d);S_CUTB(g)::S(B),XP(a)
- B(g);S_CUTR(d)::B(G)
- S(e);N_GUARD::R1(H)
- S(i);N_GUARD::B(G),XS(i)
- S(i);N_GUARD::B(G)
- P(b);N_GUARD::QAB(C)
- Refutation
- S(e);CHECK
- Try
- S(B);CHECK
- Vars
- B(g);XS(B)::B(G)
- Refutation
- R(d);XS(B)
- Try
- B(G);XR(d)
- Vars
- S(i);CHECK,N_GUARD::B(G),XS(i)
- B(g);N_GUARD::S(B),XB(g)
- S(i);N_GUARD::B(G)
- Refutation
- P(b);
- Try
- B(G);
- Threat
- DUALS(2)
- Vars
- S(i);CHECK,N_GUARD::B(G),XS(i)
- B(g);N_GUARD,P_PINP(I),XR(H)::S(B),XP(a)
- R(d);::B(G),XP(h)
- B(g);::B(G),XP(h)
- S(e);N_GUARD::R1(H),XS(e)
- Refutation
- S(i);XB(G)
- Try
- P(I);P_SPINR(H),XS(i)
- Threat
- DUALS(3)
- Vars
- R(d);N_GUARD::B(G),XR(d)
- S(e);N_GUARD::QAR1(I)
- Refutation
- B(g);CHECK,XR(H)
- Try
- P(I);P_SPINR(H)
- Threat
- DUALS(2)
- Vars
- S(e);::QAR1(I)
- Refutation
- B(g);CHECK,XR(H)
- Try
- P(I);P_SPINR(H)
- Threat
- R1(I)
- Vars
- S(i);CHECK,N_GUARD::B(G),XS(i)
- R(d);N_GUARD::B(G),XR(d)
- B(g);N_PINR(H),S_CUTR(d)::B(G)
- S(i);N_GUARD::B(G)
- Refutation
- B(g);CHECK,XR(H)
- Try
- Actual
- P(I);P_SPINR(H)
- Vars
- B(g);CHECK,XR(H)::S(I),XB(g)
- S(i);CHECK,N_GUARD::B(G),XS(i)
- R(d);N_GUARD,XS(B)::B(G)
- S(e);N_GUARD::S(I),XS(e)
- R(d);N_GUARD::B(G)
- R(d);N_GUARD::B(G),XR(d)
- R(d);S_CUTB(g)::S(B),XP(a)
- B(g);N_PINR(H),S_CUTR(d)::B(G)
- S(e);N_GUARD::S(I)
- S(i);N_GUARD::B(G)
- P(b);N_GUARD::QAB(C)
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