MESON Chess Problem Database
Problem Display
PID: 24934 (1b1R4/2N1q3/1B1n4/1pn2p2/2bp1RNp/p2k4/1r3P1K/2QB4 w - - 0 1)
Goldschmeding, Cornelis
2nd Place, Szachista Polski, 1946
#2
9 + 12
SOLUTION
- SOUND
- Sets
- 1...Qg5
- 2.Se5#
- 1...Qxd8
- 2.Se5#
- 1...Qf8
- 2.Se5#
- 1...Qe5
- 2.Sxe5#
- 1...Qxc7
- 2.Se5#
- 1...Qd7
- 2.Se5#
- 1...Qf7
- 2.Se5#
- 1...Qh7
- 2.Se5#
- 1...Rb1
- 2.Qc2#
- 1...Rc2
- 2.Qxc2#
- 1...Rxf2+
- 2.Sxf2#
- 1...Rb3
- 2.Qc2#
- 1...Rb4
- 2.Qc2#
- 1...Be6
- 2.Se5#
- 1...Sa4
- 2.Rxd4#
- 1...Sce4
- 2.Rf3#
- 1...Sa6
- 2.Rxd4#
- 1...Se6
- 2.Se5#
- 1...Scb7
- 2.Rxd4#
- 1...Sd7
- 2.Rxd4#
- 1...Sde4
- 2.Rf3#
- 2.Qe3#
- 1...Sdb7
- 2.Rfxd4#
- 2.Rdxd4#
- 1...Sf7
- 2.Rfxd4#
- 2.Rdxd4#
- 1...Sc8
- 2.Rfxd4#
- 2.Rdxd4#
- 1...Se8
- 2.Rfxd4#
- 2.Rdxd4#
- 1...Qg5
- Tries
- 1.Se6?
- threat
- 2.Se5#
- 2.Sxc5#
- 2.Rxd4#
- 1...Rxf2+
- 2.Sxf2#
- 1...Bxe6
- 2.Se5#
- 1...Sxe6
- 2.Se5#
- 1...fxg4
- 2.Sxc5#
- 2.Rxd4#
- 1...Rc2
- 2.Qxc2#
- 1...Qf6
- 2.Sxc5#
- 1...Qc7
- 2.Se5#
- 2.Rxd4#
- 1...Qg7
- 2.Sxc5#
- 1...Re2
- 2.Sxc5#
- 2.Rxd4#
- 1...Sb3
- 2.Se5#
- 1...Sa4
- 2.Se5#
- 2.Rxd4#
- 1...Sce4
- 2.Se5#
- 2.Rf3#
- 1...Sa6
- 2.Se5#
- 2.Rxd4#
- 1...Scb7
- 2.Se5#
- 2.Rxd4#
- 1...Sd7
- 2.Rxd4#
- 1...Sde4
- 2.Rxd4#
- 2.Qe3#
- 1...Sdb7
- 2.Rxd4#
- 2.Qe3#
- 1...Sf7
- 2.Rxd4#
- 2.Qe3#
- 1...Sc8
- 2.Rxd4#
- 2.Qe3#
- 1...Se8
- 2.Rxd4#
- 2.Qe3#
- 1...Qxe6!
- threat
- 1.Rf3+?
- 1...Ke4
- 2.Qf4#
- 1...Qe3!
- 1...Ke4
- 1.Qxb2?
- threat
- 2.Rxd4#
- 2.Qxd4#
- 2.Qc2#
- 1...Bb3
- 2.Rxd4#
- 2.Qxd4#
- 1...Qf6
- 2.Be2#
- 2.Qc2#
- 1...Qe2
- 2.Bxe2#
- 2.Rxd4#
- 2.Qxd4#
- 1...Qe3
- 2.Qc2#
- 1...Qe4
- 2.Qc2#
- 1...Qe5
- 2.Sxe5#
- 2.Qc2#
- 1...Qg7
- 2.Be2#
- 2.Qc2#
- 1...Sb3
- 2.Qc2#
- 1...Sce4
- 2.Be2#
- 2.Rf3#
- 2.Qxd4#
- 2.Qc2#
- 1...Se6
- 2.Se5#
- 2.Be2#
- 2.Qc2#
- 1...Sde4
- 2.Be2#
- 2.Rf3#
- 2.Rxd4#
- 2.Qxd4#
- 2.Qc2#
- 1...axb2!
- threat
- 1.Se6?
- Keys
- 1.Sa6!
- threat
- 2.Sxc5#
- 1...Rxf2+
- 2.Sxf2#
- 1...Sxa6
- 2.Rxd4#
- 1...Rc2
- 2.Qxc2#
- 1...Qe5
- 2.Sxe5#
- 1...Qc7
- 2.Se5#
- 1...Sb3
- 2.Sb4#
- 1...Sa4
- 2.Rxd4#
- 1...Sce4
- 2.Rf3#
- 1...Se6
- 2.Se5#
- 1...Scb7
- 2.Rxd4#
- 1...Sd7
- 2.Rxd4#
- 1...Sde4
- 2.Qe3#
- 1...Sdb7
- 2.Rxd4#
- 1...Sf7
- 2.Rxd4#
- 1...Sc8
- 2.Rxd4#
- 1...Se8
- 2.Rxd4#
- threat
- 1.Sa6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 10
- Sets
- Q(k);N_GUARD::S(F)
- Q(k);N_GUARD,XR(I)::S(F)
- Q(k);N_GUARD,P_PINR(E)::S(F),XQ(k)
- Q(k);N_GUARD,XS(H)::S(F)
- R(a);N_GUARD,N_PINP(C)::QAB1(A)
- R(a);N_GUARD::QAB1(A),XR(a)
- R(a);CHECK,XP(C)::S(F),XR(a)
- B(d);S_CUTQ(k)::S(F)
- S(h);::R1(E),XP(e)
- S(h);SBLOCK,S_CUTQ(k)::R(E)
- S(h);S_CUTQ(k)::S(F)
- Tries
- Try
- S(H);
- Threat
- DUALS(3)
- Vars
- R(a);CHECK,XP(C)::S(F),XR(a)
- B(d);XS(H)::S(F)
- S(h);XS(H)::S(F)
- R(a);N_GUARD::QAB1(A),XR(a)
- Q(k);::S(H),XS(h)
- S(h);::S(F)
- S(h);::R1(E),XP(e)
- Refutation
- Q(k);XS(H)
- Try
- R(E);CHECK
- Vars
- K(c);S_FLIGHT::QAR1(A)
- Refutation
- Q(k);P_SPINQ(k)
- Try
- Q(A);N_SPINP(C),XR(a)
- Threat
- DUALS(3)
- Vars
- Q(k);::QAB1(A)
- S(h);::QAB1(A)
- Refutation
- P(b);XQ(A)
- Try
- Actual
- S(H);
- Threat
- S(H),XS(h)
- Vars
- R(a);CHECK,XP(C)::S(F),XR(a)
- S(h);XS(H)::R1(E),XP(e)
- R(a);N_GUARD::QAB1(A),XR(a)
- Q(k);N_GUARD,P_PINR(E)::S(F),XQ(k)
- Q(k);N_GUARD::S(F)
- S(h);S_CUTR(a)::S(H)
- S(h);::R1(E),XP(e)
- S(h);SBLOCK,S_CUTQ(k)::R(E)
- S(h);S_CUTQ(k)::S(F)
- S(j);P_PINR(E),P_SPINP(e),S_CUTQ(k)::QAR1(A)
- S(j);OGATE,P_PINR(E),P_SPINP(e)::R1(I),XP(e)
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