MESON Chess Problem Database
Problem Display
PID: 10885 (6B1/B7/2p5/2Rn1R2/3pk1Pp/K2prn1p/3P1Q1P/8 w - - 0 1)
Shedey, Sergey Oleksandrovich
Problem (Zagreb), 1969
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Qxf3#
- 1...Re2
- 2.Qxf3#
- 1...Re1
- Tries
- 1.Bb8?
- 1...Sxd2
- 2.Re5#
- 1...Sxh2
- 2.Re5#
- 1...Re1
- 2.Qxf3#
- 1...Re2
- 2.Qxf3#
- 1...Se1
- 2.Re5#
- 1...Sg1
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sg5
- 2.Re5#
- 1...Sc3
- 2.Rf4#
- 1...Sb4
- 2.Rf4#
- 1...Sf4
- 2.Rxf4#
- 1...Sb6
- 2.Rf4#
- 1...Sf6
- 2.Rf4#
- 1...Se7
- 2.Rf4#
- 1...Sc7!
- 1...Sxd2
- 1.Bh7?
- 1...Sxd2
- 2.Rfxd5#
- 2.Rg5#
- 2.Rh5#
- 1...Sxh2
- 2.Rfxd5#
- 2.Rg5#
- 2.Rh5#
- 1...Re1
- 2.Qxf3#
- 1...Re2
- 2.Qxf3#
- 1...Se1
- 2.Rfxd5#
- 2.Rg5#
- 2.Rh5#
- 1...Sg1
- 2.Rfxd5#
- 2.Rg5#
- 2.Rh5#
- 1...Se5
- 2.Rf4#
- 1...Sg5
- 2.Rxg5#
- 1...Sc3
- 2.Rxf3#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Sb4
- 2.Rxf3#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Sf4
- 2.Rfe5#
- 1...Sb6
- 2.Rxf3#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Sf6
- 2.Rxf6#
- 1...Sc7
- 2.Rxf3#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Se7!
- 1...Sxd2
- 1.Rcxd5?
- 1...Sxd2
- 2.Rxd4#
- 2.Rde5#
- 2.Rf4#
- 2.Rfe5#
- 2.Qf4#
- 1...Sxh2
- 2.Rxd4#
- 2.Rde5#
- 2.Rf4#
- 2.Rfe5#
- 2.Qf4#
- 1...cxd5
- 2.Bxd5#
- 1...Re1
- 2.Qxf3#
- 1...Re2
- 2.Qxf3#
- 1...Se1
- 2.Rxd4#
- 2.Rde5#
- 2.Rf4#
- 2.Rfe5#
- 2.Qf4#
- 1...Sg1
- 2.Rxd4#
- 2.Rde5#
- 2.Rf4#
- 2.Rfe5#
- 2.Qf4#
- 1...Se5
- 2.Rxd4#
- 2.Rdxe5#
- 2.Rf4#
- 2.Rfxe5#
- 2.Qf4#
- 1...Sg5
- 2.Rxd4#
- 2.Rde5#
- 2.Rf4#
- 2.Rfe5#
- 2.Qf4#
- 1...c5!
- 1...Sxd2
- 1.Qg3?
- 1...Sxd2
- 2.Re5#
- 2.Qe5#
- 1...Sxh2
- 2.Re5#
- 2.Qe5#
- 1...Re1
- 2.Qxf3#
- 1...Re2
- 2.Qxf3#
- 1...Se1
- 2.Re5#
- 2.Qe5#
- 1...Sg1
- 2.Re5#
- 2.Qe5#
- 1...Se5
- 2.Rxe5#
- 2.Qxe5#
- 1...Sg5
- 2.Re5#
- 2.Qe5#
- 1...Sc3
- 2.Rf4#
- 2.Qf4#
- 1...Sb4
- 2.Rf4#
- 2.Qf4#
- 1...Sf4
- 2.Rxf4#
- 2.Qxf4#
- 1...Sb6
- 2.Rf4#
- 2.Qf4#
- 1...Sf6
- 2.Rf4#
- 2.Qf4#
- 1...Sc7
- 2.Rf4#
- 2.Qf4#
- 1...Se7
- 2.Rf4#
- 2.Qf4#
- 1...hxg3!
- 1...Sxd2
- 1.Qg2?
- 1...Re1
- 2.Qxf3#
- 1...Re2
- 2.Qxf3#
- 1...Sc3
- 2.Rce5#
- 1...Sb4
- 2.Rce5#
- 1...Sf4
- 2.Rce5#
- 2.Rfe5#
- 1...Sb6
- 2.Rce5#
- 1...Sf6
- 2.Rce5#
- 1...Sc7
- 2.Rce5#
- 1...Se7
- 2.Rce5#
- 1...hxg2!
- 1...Re1
- 1.Bb8?
- Keys
- 1.Rc4!
- 1...Sxd2
- 2.Rxd4#
- 1...Sxh2
- 2.Rxd4#
- 1...Re1
- 2.Qxf3#
- 1...Re2
- 2.Qxf3#
- 1...Se1
- 2.Rxd4#
- 1...Sg1
- 2.Rxd4#
- 1...Se5
- 2.Rxd4#
- 1...Sg5
- 2.Rxd4#
- 1...Sc3
- 2.Qxe3#
- 1...Sb4
- 2.Qxe3#
- 1...Sf4
- 2.Qxe3#
- 1...Sb6
- 2.Qxe3#
- 1...Sf6
- 2.Qxe3#
- 1...Sc7
- 2.Qxe3#
- 1...Se7
- 2.Qxe3#
- 1...c5
- 2.Bxd5#
- 1...Sxd2
- 1.Rc4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 14
- REMOVED MATES = 0
- Sets
- R(b);N_GUARD::QAB1(B),XS(c)
- Tries
- Try
- B(H);
- Vars
- S(c);N_GUARD,XP(A)::R1(G)
- S(c);N_GUARD,XP(C)::R1(G)
- R(b);N_GUARD::QAB1(B),XS(c)
- S(c);N_GUARD::R1(G)
- S(c);N_GUARD::R1(G),XS(c)
- S(h);N_GUARD::R1(G)
- S(h);N_GUARD::R1(G),XS(h)
- Refutation
- S(h);
- Try
- B(I);
- Vars
- R(b);N_GUARD::QAB1(B),XS(c)
- S(c);SBLOCK::B(I)+R(G),DCHECK
- S(c);::B(I)+R(G),XS(c)
- S(h);SBLOCK::B(I)+R(G),DCHECK
- S(h);::B(I)+R(G),XS(h)
- Refutation
- S(h);
- Try
- R(F);XS(h)
- Vars
- P(i);OGATE,XR(F)::B(I),XP(i)
- R(b);N_GUARD::QAB1(B),XS(c)
- Refutation
- P(i);
- Try
- Q(B);
- Vars
- R(b);N_GUARD::QAB1(B),XS(c)
- Refutation
- P(g);XQ(B)
- Try
- Q(B);P_PINS(c)
- Vars
- R(b);N_GUARD::QAB1(B),XS(c)
- S(h);OGATE::R1(F)
- Refutation
- P(d);N_SPINS(c),XQ(B)
- Try
- Actual
- R(F);P_PINP(e)
- Vars
- S(c);N_GUARD,XP(A)::R1(F),XP(e)
- S(c);N_GUARD,XP(C)::R1(F),XP(e)
- R(b);N_GUARD::QAB1(B),XS(c)
- S(c);N_GUARD::R1(F),XP(e)
- S(h);N_GUARD::QAR1(B),XR(b)
- P(i);N_GUARD::B(I),XS(h)
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