MESON Chess Problem Database
Problem Display
PID: 64750 (Q1b5/2PpR3/N1np2P1/bp1kp3/2N5/3BP3/1PP2P2/3R1K2 w - - 0 1)
Maleika, Gerhard
2nd Prize, Sinfonie Scacchistiche, 1981-1982
#2
13 + 8
| 3485 | Sachova skladba | 1985 |
| 3752 | FIDE Album (1980-1982) | 1988 |
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Sb6#
- 1...Bd2
- 2.Sb6#
- 1...Bc3
- 2.Sb6#
- 1...Bb4
- 2.Sb6#
- 1...Bb6
- 2.Sxb6#
- 1...Bb7
- 2.Qg8#
- 1...Be1
- Tries
- 1.Sxa5?
- threat
- 2.Bf5#
- 1...Bb7
- 2.Qg8#
- 1...e4
- 2.Be2#
- 2.Bc4#
- 2.Bxe4#
- 2.Bxb5#
- 1...Bxa6!
- threat
- 1.Be2+?
- 1...Ke4
- 2.Sxd6#
- 1...Bd2!
- 1...Ke4
- 1.Be4+?
- 1...Kxc4
- 2.Bd5#
- 1...Kxe4!
- 1...Kxc4
- 1.Bf5+?
- 1...Bd2
- 2.Sb6#
- 1...Kxc4!
- 1...Bd2
- 1.Qb7?
- threat
- 2.Qxb5#
- 1...bxc4
- 2.Qb5#
- 1...Bb4
- 2.Sb6#
- 1...Bb6
- 2.Sxb6#
- 1...b4
- 2.Qb5#
- 1...Bxb7!
- threat
- 1.b3?
- 1...Bxc7
- 2.Bf5#
- 1...bxc4
- 2.bxc4#
- 1...Be1
- 2.Sb6#
- 1...Bd2
- 2.Sb6#
- 1...Bc3
- 2.Sb6#
- 1...Bb4
- 2.Sb6#
- 1...Bb6
- 2.Sxb6#
- 1...Bb7
- 2.Qg8#
- 1...b4
- 2.Bf5#
- 1...e4
- 2.Bxe4#
- 1...Bxa6!
- 1...Bxc7
- 1.c3?
- threat
- 2.e4#
- 1...Bxc3
- 2.Sb6#
- 1...e4
- 2.Be2#
- 1...Bxa6!
- threat
- 1.f3?
- 1...Bxc7
- 2.Be2#
- 1...bxc4
- 2.Be4#
- 1...Be1
- 2.Sb6#
- 1...Bd2
- 2.Sb6#
- 1...Bc3
- 2.Sb6#
- 1...Bb4
- 2.Sb6#
- 1...Bb6
- 2.Sxb6#
- 1...Bb7
- 2.Qg8#
- 1...b4
- 2.Be2#
- 1...e4
- 2.fxe4#
- 1...Bxa6!
- 1...Bxc7
- 1.g7?
- threat
- 2.g8Q#
- 2.g8B#
- 1...Bxc7
- 2.g8Q#
- 2.g8B#
- 1...bxc4
- 2.g8Q#
- 2.g8B#
- 1...Be1
- 2.Sb6#
- 2.g8Q#
- 2.g8B#
- 1...Bd2
- 2.Sb6#
- 2.g8Q#
- 2.g8B#
- 1...Bc3
- 2.Sb6#
- 2.g8Q#
- 2.g8B#
- 1...Bb4
- 2.Sb6#
- 2.g8Q#
- 2.g8B#
- 1...Bb6
- 2.Sxb6#
- 2.g8Q#
- 2.g8B#
- 1...Bb7
- 2.Qg8#
- 2.g8Q#
- 2.g8B#
- 1...b4
- 2.g8Q#
- 2.g8B#
- 1...e4
- 2.g8Q#
- 2.g8B#
- 1...Bxa6!
- threat
- 1.Sxa5?
- Keys
- 1.b4!
- 1...Bxb4
- 2.Sb6#
- 1...Bxc7
- 2.Sxc7#
- 1...Bxa6
- 2.Qg8#
- 1...bxc4
- 2.Bf5#
- 1...Bb6
- 2.Sxb6#
- 1...Bb7
- 2.Qg8#
- 1...e4
- 2.Be2#
- 1...Bxb4
- 1.b4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 3
- Sets
- B(a);N_GUARD::S(H)
- B(a);N_GUARD::S(H),XB(a)
- B(h);N_SPINS(e),OGATE::QAB(M)
- Tries
- Try
- S(H);XB(a)
- Threat
- R(A)+B(F)
- Vars
- B(h);N_SPINS(e),OGATE::QAB(M)
- Refutation
- B(h);XS(I)
- Try
- B(F);CHECK
- Vars
- K(c);P_SPINP(d),S_FLIGHT::S(H),XP(f)
- Refutation
- B(a);P_SPINB(a)
- Try
- B(F);CHECK
- Vars
- K(c);N_SPINS(e),S_FLIGHT,XS(H)::B(F)
- Refutation
- K(c);P_SPINP(d),S_FLIGHT,XB(F)
- Try
- B(F);CHECK
- Vars
- B(a);P_SPINB(a)::S(H)
- Refutation
- K(c);N_SPINS(e),S_FLIGHT,XS(H)
- Try
- Q(M);
- Threat
- QAR2(M),XP(b)
- Vars
- P(b);XS(H)::QAR2(M)
- B(a);N_GUARD::S(H)
- B(a);N_GUARD::S(H),XB(a)
- P(b);::QAR2(M)
- Refutation
- B(h);N_SPINS(e),XQ(M)
- Try
- P(C);
- Vars
- B(a);N_GUARD,XP(K)::R(A)+B(F)
- P(b);OGATE,XS(H)::P(C),XP(b)
- B(a);N_GUARD::S(H)
- B(a);N_GUARD::S(H),XB(a)
- B(h);N_SPINS(e),OGATE::QAB(M)
- P(b);S_CUTB(a)::R(A)+B(F)
- P(d);::R(A)+B(F),DCHECK,XP(d)
- Refutation
- B(h);XS(I)
- Try
- P(D);
- Threat
- P(G)
- Vars
- B(a);N_GUARD,XP(D)::S(H)
- P(d);::R(A)+B(F)
- Refutation
- B(h);XS(I)
- Try
- P(E);
- Vars
- B(a);N_GUARD,XP(K)::R(A)+B(F)
- P(b);SBLOCK,XS(H)::R(A)+B(F),DCHECK
- B(a);N_GUARD::S(H)
- B(a);N_GUARD::S(H),XB(a)
- B(h);N_SPINS(e),OGATE::QAB(M)
- P(b);S_CUTB(a)::R(A)+B(F)
- P(d);OGATE::P(E),XP(d)
- Refutation
- B(h);XS(I)
- Try
- P(J);
- Threat
- P=Q
- Vars
- B(a);XP(K)::P=Q
- P(b);XS(H)::P=Q
- P(b);::P=Q
- P(d);::P=Q
- Refutation
- B(h);XS(I)
- Try
- Actual
- P(C);
- Vars
- B(a);N_GUARD,XP(C)::S(H)
- B(a);XP(K)::S(I),XB(a)
- B(h);OGATE,XS(I)::QAB(M)
- P(b);SBLOCK,XS(H)::R(A)+B(F)
- B(a);N_GUARD::S(H),XB(a)
- B(h);N_SPINS(e),OGATE::QAB(M)
- P(d);::R(A)+B(F)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).