MESON Chess Problem Database
Problem Display
PID: 273549 (2K1N1bQ/1R6/p3nRP1/N1k1n3/1pP1P2B/2P5/4B3/6b1 w - - 0 1)
Goldschmidt, J?
Probleemblad, 1952
#2
12 + 7
SOLUTION
- SOUND
- Sets
- 1...Bd4
- 2.cxb4#
- 1...Sc6
- 2.Sb3#
- 1...Sd4
- 2.cxb4#
- 1...Sf4
- 2.Sb3#
- 1...Sg5
- 2.Sb3#
- 1...Sc7
- 2.Sb3#
- 1...Sg7
- 2.Sb3#
- 1...Sd8
- 2.Sb3#
- 1...Sf8
- 2.Sb3#
- 1...Bd4
- Tries
- 1.Bf2+?
- 1...Sd4
- 2.Sb3#
- 2.cxb4#
- 2.cxd4#
- 1...Bxf2!
- 1...Sd4
- 1.Rf1?
- threat
- 2.Be7#
- 2.Qxe5#
- 1...Sxc4
- 2.cxb4#
- 1...Sxg6
- 2.cxb4#
- 1...bxc3
- 2.Qxe5#
- 1...Bh2
- 2.Be7#
- 1...Bd4
- 2.Be7#
- 2.cxb4#
- 1...Sd3
- 2.Be7#
- 1...Sf3
- 2.Be7#
- 2.cxb4#
- 1...Sg4
- 2.Be7#
- 2.cxb4#
- 1...Sc6
- 2.Sb3#
- 1...Sd7
- 2.Be7#
- 2.cxb4#
- 1...Sf7
- 2.cxb4#
- 1...Sd4
- 2.Be7#
- 2.cxb4#
- 1...Sf4
- 2.Be7#
- 1...Sc7
- 2.Be7#
- 1...Sg7
- 2.Be7#
- 1...Sd8
- 2.Be7#
- 1...Sf8
- 2.Be7#
- 1...Sg5!
- threat
- 1.Rf2?
- threat
- 2.Be7#
- 2.Qxe5#
- 1...Sxc4
- 2.cxb4#
- 1...Sxg6
- 2.cxb4#
- 1...bxc3
- 2.Qxe5#
- 1...Bh2
- 2.Be7#
- 1...Sd3
- 2.Be7#
- 1...Sf3
- 2.Be7#
- 2.cxb4#
- 1...Sg4
- 2.Be7#
- 2.cxb4#
- 1...Sc6
- 2.Sb3#
- 1...Sd7
- 2.Be7#
- 2.cxb4#
- 1...Sf7
- 2.cxb4#
- 1...Sd4
- 2.Be7#
- 2.cxb4#
- 1...Sf4
- 2.Be7#
- 1...Sc7
- 2.Be7#
- 1...Sg7
- 2.Be7#
- 1...Sd8
- 2.Be7#
- 1...Sf8
- 2.Be7#
- 1...Sg5!
- threat
- 1.Rf3?
- threat
- 2.Be7#
- 2.Qxe5#
- 1...Sxf3
- 2.Be7#
- 2.cxb4#
- 1...Sxc4
- 2.cxb4#
- 1...Sxg6
- 2.cxb4#
- 1...bxc3
- 2.Qxe5#
- 1...Bh2
- 2.Be7#
- 1...Bd4
- 2.Be7#
- 2.cxb4#
- 1...Sd3
- 2.Be7#
- 1...Sg4
- 2.Be7#
- 2.cxb4#
- 1...Sc6
- 2.Sb3#
- 1...Sd7
- 2.Be7#
- 2.cxb4#
- 1...Sf7
- 2.cxb4#
- 1...Sd4
- 2.Be7#
- 2.cxb4#
- 1...Sf4
- 2.Be7#
- 1...Sc7
- 2.Be7#
- 1...Sg7
- 2.Be7#
- 1...Sd8
- 2.Be7#
- 1...Sf8
- 2.Be7#
- 1...Sg5!
- threat
- 1.Rf4?
- threat
- 2.Be7#
- 2.Qxe5#
- 1...Sxc4
- 2.cxb4#
- 1...Sxg6
- 2.cxb4#
- 1...Sxf4
- 2.Be7#
- 1...bxc3
- 2.Qxe5#
- 1...Bd4
- 2.Be7#
- 2.cxb4#
- 1...Sd3
- 2.Be7#
- 1...Sf3
- 2.Be7#
- 2.cxb4#
- 1...Sg4
- 2.Be7#
- 2.cxb4#
- 1...Sc6
- 2.Sb3#
- 1...Sd7
- 2.Be7#
- 2.cxb4#
- 1...Sf7
- 2.cxb4#
- 1...Sd4
- 2.Be7#
- 2.cxb4#
- 1...Sc7
- 2.Be7#
- 1...Sg7
- 2.Be7#
- 1...Sd8
- 2.Be7#
- 1...Sf8
- 2.Be7#
- 1...Sg5!
- threat
- 1.Rf5?
- threat
- 2.Be7#
- 2.Rxe5#
- 2.Qxe5#
- 1...bxc3
- 2.Qxe5#
- 1...Bh2
- 2.Be7#
- 1...Bd4
- 2.Be7#
- 2.cxb4#
- 1...Sd4
- 2.Be7#
- 2.cxb4#
- 1...Sf4
- 2.Be7#
- 1...Sc7
- 2.Be7#
- 1...Sg7
- 2.Be7#
- 1...Sd8
- 2.Be7#
- 1...Sf8
- 2.Be7#
- 1...Sg5!
- threat
- 1.Rxe6?
- threat
- 2.Sb3#
- 2.Be7#
- 2.Qxe5#
- 1...Sxc4
- 2.Sb3#
- 2.Rc6#
- 2.cxb4#
- 1...Sxg6
- 2.Sb3#
- 2.Rc6#
- 2.Rc7#
- 2.cxb4#
- 1...bxc3
- 2.Sb3#
- 2.Qxe5#
- 1...Bh2
- 2.Sb3#
- 2.Bf2#
- 2.Be7#
- 1...Bd4
- 2.Sb3#
- 2.Be7#
- 2.cxb4#
- 1...Sd3
- 2.Be7#
- 2.Rc6#
- 2.Rc7#
- 1...Sf3
- 2.Sb3#
- 2.Be7#
- 2.Rc6#
- 2.Rc7#
- 2.cxb4#
- 1...Sg4
- 2.Sb3#
- 2.Be7#
- 2.Rc6#
- 2.Rc7#
- 2.cxb4#
- 1...Sc6
- 2.Sb3#
- 2.Rxc6#
- 1...Sd7
- 2.Sb3#
- 2.Be7#
- 2.Rc6#
- 2.Rc7#
- 2.cxb4#
- 1...Sf7
- 2.Sb3#
- 2.Rc6#
- 2.Rc7#
- 2.cxb4#
- 1...b3
- 2.Sxb3#
- 2.Be7#
- 2.Qxe5#
- 1...Bxe6+!
- threat
- 1.Rf8?
- threat
- 2.Be7#
- 2.Qxe5#
- 1...Sxc4
- 2.cxb4#
- 1...Sxg6
- 2.cxb4#
- 1...Sxf8
- 2.Be7#
- 1...bxc3
- 2.Qxe5#
- 1...Bh2
- 2.Be7#
- 1...Bd4
- 2.Be7#
- 2.cxb4#
- 1...Sd3
- 2.Be7#
- 1...Sf3
- 2.Be7#
- 2.cxb4#
- 1...Sg4
- 2.Be7#
- 2.cxb4#
- 1...Sc6
- 2.Sb3#
- 1...Sd7
- 2.Be7#
- 2.cxb4#
- 1...Sf7
- 2.cxb4#
- 1...Sd4
- 2.Be7#
- 2.cxb4#
- 1...Sf4
- 2.Be7#
- 1...Sc7
- 2.Be7#
- 1...Sg7
- 2.Be7#
- 1...Sd8
- 2.Be7#
- 1...Sg5!
- threat
- 1.Rc7+?
- 1...Sc6
- 2.Rxc6#
- 1...Sxc7
- 2.Sb3#
- 2.Sb7#
- 1...Kb6!
- 1...Sc6
- 1.Qh5?
- threat
- 2.Qxe5#
- 1...Sg5
- 2.Sb3#
- 1...Bd4
- 2.cxb4#
- 1...Sd4
- 2.cxb4#
- 1...Sf4
- 2.Sb3#
- 2.Rc6#
- 2.Rc7#
- 1...Sc7
- 2.Sb3#
- 2.Rc6#
- 2.Rxc7#
- 1...Sg7
- 2.Sb3#
- 2.Rc6#
- 2.Rc7#
- 1...Sd8
- 2.Sb3#
- 1...Sf8
- 2.Sb3#
- 2.Rc6#
- 2.Rc7#
- 1...Bh2!
- threat
- 1.Bf2+?
- Keys
- 1.Rff7!
- threat
- 2.Be7#
- 2.Qxe5#
- 1...Sxc4
- 2.cxb4#
- 1...Sxg6
- 2.cxb4#
- 1...Sxf7
- 2.cxb4#
- 1...bxc3
- 2.Qxe5#
- 1...Sg5
- 2.Qxe5#
- 1...Bh2
- 2.Be7#
- 1...Bd4
- 2.Be7#
- 2.cxb4#
- 1...Sd3
- 2.Be7#
- 1...Sf3
- 2.Be7#
- 2.cxb4#
- 1...Sg4
- 2.Be7#
- 2.cxb4#
- 1...Sc6
- 2.Sb3#
- 1...Sd7
- 2.Be7#
- 2.cxb4#
- 1...Sf4
- 2.Be7#
- 1...Sc7
- 2.Be7#
- 1...Sg7
- 2.Be7#
- threat
- 1.Rff7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 4
- ADDED MATES = 6
- REMOVED MATES = 4
- Sets
- B(a);SBLOCK::P(B),XP(b)
- S(d);SBLOCK::S(F)
- S(f);SBLOCK::P(B),XP(b)
- S(f);::S(F)
- Tries
- Try
- B(E);CHECK
- Refutation
- B(a);XB(E)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- S(d);XP(C)::P(B),XP(b)
- S(d);XP(H)::P(B),XP(b)
- P(b);XP(B)::QAR2(L),XS(d)
- B(a);::B(E)
- S(d);::B(E)
- S(d);SBLOCK::S(F)
- S(d);::P(B),XP(b)
- S(f);::B(E)
- Refutation
- S(f);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- S(d);XP(C)::P(B),XP(b)
- S(d);XP(H)::P(B),XP(b)
- P(b);XP(B)::QAR2(L),XS(d)
- B(a);::B(E)
- S(d);::B(E)
- S(d);SBLOCK::S(F)
- S(d);::P(B),XP(b)
- S(f);::B(E)
- Refutation
- S(f);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- S(d);XP(C)::P(B),XP(b)
- S(d);XP(H)::P(B),XP(b)
- P(b);XP(B)::QAR2(L),XS(d)
- B(a);::B(E)
- S(d);::B(E)
- S(d);SBLOCK::S(F)
- S(d);::P(B),XP(b)
- S(f);::B(E)
- Refutation
- S(f);
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- S(d);XP(C)::P(B),XP(b)
- S(d);XP(H)::P(B),XP(b)
- S(f);XR(G)::B(E)
- P(b);XP(B)::QAR2(L),XS(d)
- S(d);::B(E)
- S(d);SBLOCK::S(F)
- S(d);::P(B),XP(b)
- S(f);::B(E)
- Refutation
- S(f);
- Try
- R(G);P_PINS(d)
- Threat
- DUALS(3)
- Vars
- P(b);XP(B)::QAR2(L),XS(d)
- B(a);::B(E)
- S(f);::B(E)
- Refutation
- S(f);
- Try
- R(G);XS(f)
- Threat
- DUALS(3)
- Refutation
- B(g);CHECK,XR(G)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- S(d);XP(C)::P(B),XP(b)
- S(d);XP(H)::P(B),XP(b)
- S(f);XR(G)::B(E)
- P(b);XP(B)::QAR2(L),XS(d)
- B(a);::B(E)
- S(d);::B(E)
- S(d);SBLOCK::S(F)
- S(d);::P(B),XP(b)
- S(f);::B(E)
- Refutation
- S(f);
- Try
- R(I);CHECK
- Vars
- S(d);N_GUARD,P_SPINS(d)::R1(I),XS(d)
- Refutation
- K(c);P_SPINS(f),S_FLIGHT
- Try
- Q(L);P_PINS(d)
- Threat
- QAR2(L),XS(d)
- Vars
- S(f);N_SPINS(d)::S(F)
- B(a);SBLOCK::P(B),XP(b)
- S(f);SBLOCK::P(B),XP(b)
- S(f);::S(F)
- Refutation
- B(a);
- Try
- Actual
- R(G);
- Threat
- DUALS(2)
- Vars
- S(d);XP(C)::P(B),XP(b)
- S(d);XP(H)::P(B),XP(b)
- S(d);XR(G)::P(B),XP(b)
- P(b);XP(B)::QAR2(L),XS(d)
- S(f);::QAR2(L),XS(d)
- B(a);::B(E)
- S(d);::B(E)
- S(d);SBLOCK::S(F)
- S(f);::B(E)
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