MESON Chess Problem Database
Problem Display
PID: 174062 (3r4/R1P2N2/Rq1r1kPP/b4P2/1N1PQ2K/3n4/8/B7 w - - 0 1)
Goldschmidt, Ervin
Il Problema, 1934
#2
12 + 6
| 15202 | Componist | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Qxd4
- 2.Sd5#
- 1...Qxa7
- 2.Sd5#
- 1...Qxc7
- 2.Sd5#
- 1...Qb8
- 2.Sd5#
- 1...Rxd4
- 2.cxd8Q#
- 2.cxd8B#
- 1...Sc1
- 2.Qe5#
- 1...Se1
- 2.Qe5#
- 1...Sb2
- 2.Qe5#
- 1...Sf2
- 2.Qe5#
- 1...Sxb4
- 2.Qe5#
- 1...Sf4
- 2.Qe5#
- 1...Sc5
- 2.Qe5#
- 2.d5#
- 1...Se5
- 2.Qxe5#
- 1...Qxd4
- Tries
- 1.Sxd6?
- threat
- 2.Sd5#
- 2.Qe6#
- 1...Qxd4
- 2.Sd5#
- 2.Se8#
- 1...Qxb4
- 2.Se8#
- 2.Qe6#
- 1...Qxd6
- 2.Sd5#
- 1...Bxb4
- 2.Qe6#
- 1...Sxb4
- 2.Qe5#
- 2.Qe6#
- 1...Se5
- 2.Sd5#
- 2.Qxe5#
- 1...Qc5
- 2.Se8#
- 2.Qe6#
- 1...Qb5
- 2.Se8#
- 2.Qe6#
- 1...Qc6
- 2.Qe6#
- 1...Qb7
- 2.Se8#
- 2.Qe6#
- 1...Re8
- 2.Sd5#
- 2.Sxe8#
- 1...Sf4
- 2.Qe5#
- 1...Sc5
- 2.Sd5#
- 2.Qe5#
- 2.dxc5#
- 2.d5#
- 1...Rxd6!
- threat
- 1.Rxb6?
- threat
- 2.Sd5#
- 2.cxd8Q#
- 2.cxd8B#
- 1...Rxb6
- 2.cxd8Q#
- 2.cxd8B#
- 1...Bxb4
- 2.cxd8Q#
- 2.cxd8B#
- 1...Sxb4
- 2.Qe5#
- 2.d5#
- 2.cxd8Q#
- 2.cxd8B#
- 1...Re6
- 2.Rxe6#
- 2.Qxe6#
- 2.cxd8Q#
- 2.cxd8B#
- 1...Se5
- 2.Sd5#
- 2.Qxe5#
- 2.cxd8Q#
- 2.cxd8B#
- 1...Rc6
- 2.cxd8Q#
- 2.cxd8B#
- 1...Rd7
- 2.Sd5#
- 1...Ra8
- 2.Sd5#
- 2.Rxd6#
- 1...Rb8
- 2.Sd5#
- 2.Rxd6#
- 1...Rc8
- 2.Sd5#
- 2.Rxd6#
- 1...Re8
- 2.Sd5#
- 1...Rf8
- 2.Sd5#
- 2.Rxd6#
- 1...Rg8
- 2.Sd5#
- 2.Rxd6#
- 1...Rh8
- 2.Sd5#
- 2.Rxd6#
- 1...Sc1
- 2.Sd5#
- 2.Qe5#
- 2.d5#
- 2.cxd8Q#
- 2.cxd8B#
- 1...Se1
- 2.Sd5#
- 2.Qe5#
- 2.d5#
- 2.cxd8Q#
- 2.cxd8B#
- 1...Sb2
- 2.Sd5#
- 2.Qe5#
- 2.cxd8Q#
- 2.cxd8B#
- 1...Sf2
- 2.Sd5#
- 2.Qe5#
- 2.d5#
- 2.cxd8Q#
- 2.cxd8B#
- 1...Sf4
- 2.Qe5#
- 2.d5#
- 2.cxd8Q#
- 2.cxd8B#
- 1...Sc5
- 2.Sd5#
- 2.Qe5#
- 2.dxc5#
- 2.d5#
- 2.cxd8Q#
- 2.cxd8B#
- 1...Bxb6!
- threat
- 1.Qf4?
- threat
- 2.Qg5#
- 1...Ke7
- 2.cxd8Q#
- 1...Qxd4
- 2.Sd5#
- 1...Rxd4
- 2.cxd8Q#
- 2.cxd8B#
- 1...Sxf4!
- threat
- 1.Qe7+?
- 1...Kxe7
- 2.cxd8Q#
- 1...Kxf5!
- 1...Kxe7
- 1.d5+?
- 1...Sb2
- 2.Qe5#
- 1...Se5
- 2.Qxe5#
- 1...Qd4!
- 1...Sb2
- 1.cxd8Q+?
- 1...Qxd8
- 2.Sd5#
- 1...Rxd8!
- 1...Qxd8
- 1.cxd8B+?
- 1...Qxd8
- 2.Sd5#
- 1...Rxd8!
- 1...Qxd8
- 1.Sxd6?
- Keys
- 1.Qg4!
- threat
- 2.Qg5#
- 1...Ke7
- 2.cxd8Q#
- 1...Qxd4
- 2.Sd5#
- 1...Rxd4
- 2.cxd8Q#
- 2.cxd8B#
- threat
- 1.Qg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 10
- Sets
- Q(c);P_PINQ(D),P_SPINQ(c),P_SPINR(d),XP(C)::S(B)
- Q(c);P_SPINR(d),XR(J)::S(B)
- Q(c);P_SPINR(d),XP(K)::S(B)
- Q(c);P_SPINR(d)::S(B)
- R(d);N_GUARD,P_PINQ(D),P_SPINQ(c),P_SPINR(d),XP(C)::PXR(f)=Q
- S(a);N_GUARD::QAB1(D)
- S(a);N_GUARD,XS(B)::QAB1(D)
- S(a);N_GUARD::QAB1(D),XS(a)
- Tries
- Try
- S(L);XR(d)
- Threat
- DUALS(2)
- Vars
- Q(c);P_SPINQ(c),XS(L)::S(B)
- B(b);XS(B)::QAR1(D)
- Q(c);::QAR1(D)
- S(a);N_GUARD::QAB1(D)
- Refutation
- R(f);XS(L)
- Try
- R(G);P_PINR(d),XQ(c)
- Threat
- DUALS(3)
- Vars
- R(d);N_SPINR(d),XR(G)::PXR(f)=Q
- B(b);XS(B)::PXR(f)=Q
- R(d);::PXR(f)=Q
- R(f);::S(B)
- Refutation
- B(b);N_SPINR(d),XR(G)
- Try
- Q(D);
- Threat
- QAB1(D)
- Vars
- K(e);S_FLIGHT::PXR(f)=Q
- Q(c);P_PINQ(D),P_SPINQ(c),P_SPINR(d),XP(C)::S(B)
- R(d);N_GUARD,P_PINQ(D),P_SPINQ(c),P_SPINR(d),XP(C)::PXR(f)=Q
- Refutation
- S(a);XQ(D)
- Try
- Q(D);CHECK
- Vars
- K(e);S_FLIGHT,XQ(D)::PXR(f)=Q
- Refutation
- K(e);P-FLIGHT,XP(F)
- Try
- P(C);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB1(D)
- S(a);N_GUARD,P_SPINS(a)::QAB1(D),XS(a)
- Refutation
- Q(c);P_PINQ(D),P_SPINQ(c),P_SPINR(d)
- Try
- P(K);CHECK,XR(f)
- Vars
- Q(c);P_SPINR(d),XQ(K)::S(B)
- Refutation
- R(d);P_SPINQ(c),XQ(K)
- Try
- P(K);CHECK,XR(f)
- Vars
- Q(c);P_SPINR(d),XB(K)::S(B)
- Refutation
- R(d);P_SPINQ(c),XB(K)
- Try
- Actual
- Q(D);
- Threat
- QAB1(D)
- Vars
- K(e);S_FLIGHT::PXR(f)=Q
- Q(c);P_PINQ(D),P_SPINQ(c),P_SPINR(d),XP(C)::S(B)
- R(d);N_GUARD,P_PINQ(D),P_SPINQ(c),P_SPINR(d),XP(C)::PXR(f)=Q
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