MESON Chess Problem Database
Problem Display
PID: 199247 (2K5/b3PR2/NPkpr3/P1p3R1/Pn4N1/1B6/8/8 w - - 0 1)
Raisanen, Jaakko
Suomen Shakki, 1987
#2
10 + 6
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.e8Q#
- 2.e8B#
- 1...Rg6
- 2.e8Q#
- 2.e8B#
- 1...Rh6
- 2.e8Q#
- 2.e8B#
- 1...Bxb6
- 2.Sb8#
- 1...Bb8
- 2.Sxb8#
- 1...Sa2
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sd3
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sxa6
- 2.Bd5#
- 1...c4
- 2.Sxb4#
- 1...Rf6
- Tries
- 1.Bxe6?
- threat
- 2.Bd7#
- 2.e8Q#
- 2.e8B#
- 1...Bxb6
- 2.Sb8#
- 2.Bd7#
- 2.e8Q#
- 2.e8B#
- 1...Sxa6
- 2.Bd5#
- 2.Bd7#
- 2.e8Q#
- 2.e8B#
- 1...Bb8
- 2.Sxb8#
- 2.Bd7#
- 2.e8Q#
- 2.e8B#
- 1...Sa2
- 2.Bd5#
- 2.Bd7#
- 2.e8Q#
- 2.e8B#
- 1...Sc2
- 2.Bd5#
- 2.Bd7#
- 2.e8Q#
- 2.e8B#
- 1...Sd3
- 2.Bd5#
- 2.Bd7#
- 2.e8Q#
- 2.e8B#
- 1...Sd5
- 2.Bxd5#
- 2.Bd7#
- 2.e8Q#
- 2.e8B#
- 1...c4
- 2.Sxb4#
- 2.Bd7#
- 2.e8Q#
- 2.e8B#
- 1...d5!
- threat
- 1.bxa7?
- threat
- 2.Sb8#
- 2.a8Q#
- 2.a8B#
- 1...Rxe7
- 2.Sb8#
- 1...Sxa6
- 2.Bd5#
- 2.a8Q#
- 2.a8B#
- 1...Re1
- 2.Sb8#
- 2.a8Q#
- 2.a8B#
- 1...Re2
- 2.Sb8#
- 2.a8Q#
- 2.a8B#
- 1...Re3
- 2.Sb8#
- 2.a8Q#
- 2.a8B#
- 1...Re4
- 2.Sb8#
- 2.a8Q#
- 2.a8B#
- 1...Re5
- 2.Sb8#
- 2.a8Q#
- 2.a8B#
- 1...Rf6
- 2.Sb8#
- 2.a8Q#
- 2.a8B#
- 2.e8Q#
- 2.e8B#
- 1...Rg6
- 2.Sb8#
- 2.a8Q#
- 2.a8B#
- 2.e8Q#
- 2.e8B#
- 1...Rh6
- 2.Sb8#
- 2.a8Q#
- 2.a8B#
- 2.e8Q#
- 2.e8B#
- 1...Sa2
- 2.Sb8#
- 2.Bd5#
- 2.a8Q#
- 2.a8B#
- 1...Sc2
- 2.Sb8#
- 2.Bd5#
- 2.a8Q#
- 2.a8B#
- 1...Sd3
- 2.Sb8#
- 2.Bd5#
- 2.a8Q#
- 2.a8B#
- 1...Sd5
- 2.Sb8#
- 2.Bxd5#
- 2.a8Q#
- 2.a8B#
- 1...c4
- 2.Sxb4#
- 2.Sb8#
- 2.a8Q#
- 2.a8B#
- 1...d5!
- threat
- 1.Bxe6?
- Keys
- 1.Rf6!
- 1...Rxf6
- 2.e8Q#
- 2.e8B#
- 1...Rxe7
- 2.Rxc5#
- 1...Bxb6
- 2.Sb8#
- 1...Sxa6
- 2.Bd5#
- 1...d5
- 2.Rxe6#
- 1...Re1
- 2.Rxc5#
- 1...Re2
- 2.Rxc5#
- 1...Re3
- 2.Rxc5#
- 1...Re4
- 2.Rxc5#
- 1...Re5
- 2.Sxe5#
- 1...Bb8
- 2.Sxb8#
- 1...Sa2
- 2.Bd5#
- 1...Sc2
- 2.Bd5#
- 1...Sd3
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...c4
- 2.Sxb4#
- 1...Rxf6
- 1.Rf6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- R(e);N_GUARD::P=Q
- B(f);N_GUARD,XP(G)::S(F)
- B(f);N_GUARD::S(F),XB(f)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- S(a);N_GUARD,XS(F)::B(A)
- P(b);N_GUARD::S(F),XS(a)
- Tries
- Try
- B(A);XR(e)
- Threat
- DUALS(3)
- Refutation
- P(d);
- Try
- P(G);XB(f)
- Threat
- DUALS(3)
- Vars
- R(e);XP(H)::S(F)
- Refutation
- P(d);
- Try
- Actual
- R(I);
- Vars
- R(e);N_GUARD,XR(I)::P=Q
- R(e);P_SPINP(d),XP(H)::R1(E),XP(b)
- B(f);N_GUARD,XP(G)::S(F)
- S(a);N_GUARD,XS(F)::B(A)
- P(d);OGATEB,P_SPINR(e)::R(I),XR(e)
- R(e);P_SPINP(d)::R1(E),XP(b)
- R(e);N_GUARD,P_SPINP(d)::S(C),XR(e)
- B(f);N_GUARD::S(F),XB(f)
- S(a);N_GUARD::B(A)
- S(a);N_GUARD::B(A),XS(a)
- P(b);N_GUARD::S(F),XS(a)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).