MESON Chess Problem Database
Problem Display
PID: 22356 (3n1R2/4Bnp1/1K1Q1p1r/4P1Nr/3RBkNp/5P2/7P/5b2 w - - 0 1)
Barnes, Barry Peter
Die Schwalbe, 1964
#2
11 + 9
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
SOLUTION
- SOUND
- Sets
- 1...Be2
- 2.Sh3#
- 1...Bd3
- 2.Sh3#
- 1...Bh3
- 2.Sxh3#
- 1...Bc4
- 2.Sh3#
- 1...Bb5
- 2.Sh3#
- 1...Ba6
- 2.Sh3#
- 1...Sxe5
- 2.Qxe5#
- 1...Sxg5
- 2.exf6#
- 2.e6#
- 1...Sc6
- 2.Se6#
- 1...Se6
- 2.Sxe6#
- 1...Sb7
- 2.Se6#
- 1...fxe5
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bg6#
- 2.Bh7#
- 1...fxg5
- 2.e6#
- 1...f5
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bd5#
- 2.Bc6#
- 2.Bb7#
- 2.Ba8#
- 1...g6
- 2.Qxf6#
- 1...Be2
- Tries
- 1.Ra4?
- threat
- 2.Qd2#
- 1...Kxg5
- 2.Qd2#
- 1...fxe5
- 2.Bd3#
- 1...fxg5
- 2.e6#
- 1...Bd3
- 2.Sh3#
- 1...f5
- 2.Bd3#
- 1...Sxd6!
- threat
- 1.Rb4?
- threat
- 2.Qd2#
- 1...Kxg5
- 2.Qd2#
- 1...fxe5
- 2.Bd3#
- 1...fxg5
- 2.e6#
- 1...Bd3
- 2.Sh3#
- 1...f5
- 2.Bd3#
- 1...Sxd6!
- threat
- 1.Rc4?
- threat
- 2.Qd2#
- 1...Kxg5
- 2.Qd2#
- 1...fxe5
- 2.Bd3#
- 1...fxg5
- 2.e6#
- 1...Bd3
- 2.Sh3#
- 1...f5
- 2.Bd3#
- 1...Sxd6!
- threat
- 1.Qa3?
- threat
- 2.Qc1#
- 2.Qe3#
- 1...fxg5+
- 2.Bg6#
- 1...f5+
- 2.Bc6#
- 1...Kxg5
- 2.Qc1#
- 2.Qe3#
- 1...Bd3
- 2.Sh3#
- 2.Qc1#
- 1...fxe5+!
- threat
- 1.Qc6?
- threat
- 2.Qc1#
- 1...Kxg5
- 2.Qc1#
- 1...Sxc6
- 2.Se6#
- 1...fxg5
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bg6#
- 2.Bh7#
- 1...Bc4
- 2.Sh3#
- 1...f5
- 2.Bb1#
- 2.Bc2#
- 2.Bd3#
- 2.Bd5#
- 1...fxe5!
- threat
- 1.Ra4?
- Keys
- 1.Qc7!
- threat
- 2.Qc1#
- 1...fxe5+
- 2.Bg6#
- 1...fxg5+
- 2.e6#
- 1...f5+
- 2.Bc6#
- 1...Kxg5
- 2.Qc1#
- 1...Bc4
- 2.Sh3#
- 1...Sc6
- 2.Se6#
- threat
- 1.Qc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- B(a);N_GUARD::S(G)
- B(a);N_GUARD::S(G),XB(a)
- S(g);OGATE,P_SPINP(e),P_SPINS(g),XP(F)::QAB1(I),XS(g)
- S(i);N_GUARD::S(G)
- S(i);N_GUARD::S(G),XS(i)
- P(e);P_PINQ(I),P_SPINS(g),XS(G)::QAB(I)+P(F)
- P(h);N_GUARD,S_CUTR(f)::QAR2(I),XP(e)
- Tries
- Try
- R(C);
- Threat
- QAB(I)
- Vars
- K(b);P_SPINP(e),S_FLIGHT,XS(G)::QAB(I)
- P(e);P_PINQ(I),P_SPINP(e),P_SPINS(g),XP(F)::R(C)+B(D)
- P(e);P_PINQ(I),P_SPINS(g),XS(G)::QAB(I)+P(F)
- B(a);N_GUARD::S(G)
- P(e);P_PINQ(I)::R(C)+B(D)
- Refutation
- S(g);P_SPINP(e),XQ(I)
- Try
- R(C);
- Threat
- QAB(I)
- Vars
- K(b);P_SPINP(e),S_FLIGHT,XS(G)::QAB(I)
- P(e);P_PINQ(I),P_SPINP(e),P_SPINS(g),XP(F)::R(C)+B(D)
- P(e);P_PINQ(I),P_SPINS(g),XS(G)::QAB(I)+P(F)
- B(a);N_GUARD::S(G)
- P(e);P_PINQ(I)::R(C)+B(D)
- Refutation
- S(g);P_SPINP(e),XQ(I)
- Try
- R(C);
- Threat
- QAB(I)
- Vars
- K(b);P_SPINP(e),S_FLIGHT,XS(G)::QAB(I)
- P(e);P_PINQ(I),P_SPINP(e),P_SPINS(g),XP(F)::R(C)+B(D)
- P(e);P_PINQ(I),P_SPINS(g),XS(G)::QAB(I)+P(F)
- B(a);N_GUARD::S(G)
- P(e);P_PINQ(I)::R(C)+B(D)
- Refutation
- S(g);P_SPINP(e),XQ(I)
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- P(e);CHECK,P_SPINS(g),XS(G)::R(C)+B(D)
- P(e);CHECK,SBLOCK::R(C)+B(D)
- Refutation
- P(e);CHECK,P_SPINS(g),XP(F)
- Try
- Q(I);
- Threat
- QAB(I)
- Vars
- K(b);P_SPINP(e),S_FLIGHT,XS(G)::QAB(I)
- S(i);N_GUARD,XQ(I)::S(G)
- B(a);N_GUARD::S(G)
- Refutation
- P(e);P_PINQ(I),P_SPINS(g),XP(F)
- Try
- Actual
- Q(I);
- Threat
- QAB(I)
- Vars
- P(e);CHECK,P_SPINP(e),P_SPINS(g),XP(F)::R(C)+B(D)
- P(e);CHECK,P_SPINS(g),XS(G)::QAB(I)+P(F)
- P(e);CHECK,SBLOCK::R(C)+B(D)
- K(b);P_SPINP(e),S_FLIGHT,XS(G)::QAB(I)
- B(a);N_GUARD::S(G)
- S(i);N_GUARD::S(G)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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