MESON Chess Problem Database
Problem Display
PID: 254393 (8/1R2PpQK/P1kBr2p/4P2P/4p3/4pN2/B3n3/8 w - - 0 1)
Sychov, Vladimir Petrovich
Zadachi i Etyudi, 2005
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.e8Q#
- 2.e8B#
- 1...Rg6
- 2.e8Q#
- 2.e8B#
- 1...Sc1
- 2.Sd4#
- 1...Sg1
- 2.Sd4#
- 1...Sc3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...Rf6
- Tries
- 1.Bxe6?
- threat
- 2.e8Q#
- 2.e8B#
- 1...exf3
- 2.e8Q#
- 2.e8B#
- 1...Sc1
- 2.Sd4#
- 2.e8Q#
- 2.e8B#
- 1...Sg1
- 2.Sd4#
- 2.e8Q#
- 2.e8B#
- 1...Sc3
- 2.Sd4#
- 2.e8Q#
- 2.e8B#
- 1...Sg3
- 2.Sd4#
- 2.e8Q#
- 2.e8B#
- 1...Sd4
- 2.Sxd4#
- 2.e8Q#
- 2.e8B#
- 1...Sf4
- 2.Sd4#
- 2.e8Q#
- 2.e8B#
- 1...f5
- 2.e8Q#
- 2.e8B#
- 1...f6
- 2.e8Q#
- 2.e8B#
- 1...fxe6!
- threat
- 1.Qg4?
- threat
- 2.Qxe4#
- 1...Rxe5
- 2.Qd7#
- 1...Rxd6
- 2.Qc8#
- 1...exf3
- 2.Qxf3#
- 2.Qa4#
- 2.Qc4#
- 2.Qe4#
- 1...Sc3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sf4
- 2.Sd4#
- 1...f5!
- threat
- 1.Qg6?
- threat
- 2.Qxe4#
- 1...Rxe5
- 2.Sxe5#
- 1...Rxd6
- 2.Qxd6#
- 1...Rxg6
- 2.e8Q#
- 2.e8B#
- 1...exf3
- 2.Qe4#
- 1...Sc3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sf4
- 2.Sd4#
- 1...f5
- 2.Qe8#
- 1...fxg6!
- threat
- 1.Qxf7?
- threat
- 2.Qe8#
- 1...Rxd6
- 2.Qc4#
- 1...Rxe7
- 2.Bd5#
- 1...Rxe5!
- threat
- 1.Bxe6?
- Keys
- 1.Qf6!
- 1...Rxe5
- 2.Sxe5#
- 1...Rxd6
- 2.Qxd6#
- 1...Rxf6
- 2.e8Q#
- 2.e8B#
- 1...Rxe7
- 2.Bxe7#
- 1...exf3
- 2.Qxf3#
- 1...Sc1
- 2.Sd4#
- 1...Sg1
- 2.Sd4#
- 1...Sc3
- 2.Sd4#
- 1...Sg3
- 2.Sd4#
- 1...Sd4
- 2.Sxd4#
- 1...Sf4
- 2.Sd4#
- 1...Rxe5
- 1.Qf6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD::P=Q
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
- Tries
- Try
- B(A);XR(e)
- Threat
- P=Q
- Vars
- P(c);XS(B)::P=Q
- P(g);::P=Q
- Refutation
- P(g);XB(A)
- Try
- Q(I);
- Threat
- QAB(I),XP(c)
- Vars
- R(e);OGATE,XP(C)::QAB1(I)
- R(e);OGATE,XB(F)::QAR2(I)
- S(a);N_GUARD::S(B)
- Refutation
- P(g);
- Try
- Q(I);
- Threat
- QAB(I),XP(c)
- Vars
- R(e);XP(C)::S(B),XR(e)
- R(e);OGATE,P_SPINR(e),XB(F)::QAR1(I),XR(e)
- R(e);N_GUARD,XQ(I)::P=Q
- P(c);XS(B)::QAB(I)
- S(a);N_GUARD::S(B)
- P(g);OGATE::QAB(I)
- Refutation
- P(g);XQ(I)
- Try
- Q(I);XP(g)
- Threat
- QAB(I)
- Vars
- R(e);OGATE,XB(F)::QAR2(I)
- R(e);P_PINQ(I),XP(H)::B(A)
- Refutation
- R(e);XP(C)
- Try
- Actual
- Q(I);
- Vars
- R(e);XP(C)::S(B),XR(e)
- R(e);OGATE,P_SPINR(e),XB(F)::QAR1(I),XR(e)
- R(e);N_GUARD,XQ(I)::P=Q
- R(e);OGATE,XP(H)::QAR(I)+B(F),XR(e)
- P(c);OGATE,XS(B)::QAB(I),XP(c)
- S(a);N_GUARD::S(B)
- S(a);N_GUARD::S(B),XS(a)
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