MESON Chess Problem Database
Problem Display
PID: 10458 (4k2n/5p1N/pP1R1PN1/2b4b/1pQp1p1R/1pPp1PP1/8/3B1K2 w - - 0 1)
Morse, Christopher Jeremy
The Problemist, 1964
#2
12 + 11
| 3174 | The Two-move Chess Problem Tradition and Development | 1966 |
SOLUTION
- SOUND
- Sets
- 1...Bxb6
- 2.Qc6#
- 1...Bxd6
- 2.Qc8#
- 1...b2
- 2.Ba4#
- 1...d2
- 2.Qe2#
- 1...bxc3
- 2.Qa4#
- 1...dxc3
- 2.Qe4#
- 1...fxg3
- 2.Re4#
- 1...a5
- 2.Qb5#
- 1...fxg6
- 2.Qe6#
- 2.Qg8#
- 1...Bxb6
- Tries
- 1.Sxh8?
- 1...Bxb6
- 2.Qc6#
- 1...Bxd6
- 2.Qc8#
- 1...Bxf3
- 2.Qxf7#
- 1...bxc3
- 2.Qa4#
- 1...dxc3
- 2.Qe4#
- 1...fxg3
- 2.Re4#
- 1...Bg4
- 2.Qxf7#
- 1...b2
- 2.Ba4#
- 1...d2
- 2.Qe2#
- 1...a5
- 2.Qb5#
- 1...Bg6!
- 1...Bxb6
- 1.Rxh5?
- threat
- 2.Re5#
- 1...Bxd6
- 2.Qc8#
- 1...Sxg6!
- threat
- 1.Qd5?
- threat
- 2.Rd8#
- 2.Qe4#
- 2.Qc6#
- 2.Qa8#
- 2.Qe5#
- 1...Bxb6
- 2.Qe4#
- 2.Qc6#
- 2.Qe5#
- 1...Bxf3
- 2.Rd8#
- 2.Qe5#
- 1...Bxg6
- 2.Rd8#
- 2.Qc6#
- 2.Qa8#
- 2.Qe5#
- 1...Sxg6
- 2.Rd8#
- 2.Qc6#
- 2.Qa8#
- 1...fxg6
- 2.Rd8#
- 2.Qe6#
- 2.Qg8#
- 1...Bg4
- 2.Rd8#
- 1...Bxd6!
- threat
- 1.b7?
- threat
- 2.b8Q#
- 2.b8R#
- 1...Bxd6
- 2.Qc8#
- 1...Bxf3
- 2.b8Q#
- 2.b8R#
- 1...Bxg6
- 2.b8Q#
- 2.b8R#
- 1...Sxg6
- 2.b8Q#
- 2.b8R#
- 1...bxc3
- 2.Qa4#
- 2.b8Q#
- 2.b8R#
- 1...dxc3
- 2.Qe4#
- 2.b8Q#
- 2.b8R#
- 1...fxg3
- 2.Re4#
- 2.b8Q#
- 2.b8R#
- 1...fxg6
- 2.Qe6#
- 2.Qg8#
- 2.b8Q#
- 2.b8R#
- 1...Bb6
- 2.Qc6#
- 1...Ba7
- 2.Qc6#
- 2.Qc8#
- 1...b2
- 2.Ba4#
- 2.b8Q#
- 2.b8R#
- 1...d2
- 2.Qe2#
- 2.b8Q#
- 2.b8R#
- 1...a5
- 2.Qb5#
- 2.b8Q#
- 2.b8R#
- 1...Bg4!
- threat
- 1.Sxh8?
- Keys
- 1.Sg5!
- 1...Bxb6
- 2.Qc6#
- 1...Bxd6
- 2.Qc8#
- 1...Bxf3
- 2.Rxh8#
- 1...Bxg6
- 2.Rxh8#
- 1...Sxg6
- 2.Qxf7#
- 1...bxc3
- 2.Qa4#
- 1...dxc3
- 2.Qe4#
- 1...fxg3
- 2.Re4#
- 1...fxg6
- 2.Qg8#
- 1...Bg4
- 2.Rxh8#
- 1...b2
- 2.Ba4#
- 1...d2
- 2.Qe2#
- 1...a5
- 2.Qb5#
- 1...Bxb6
- 1.Sg5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- B(f);OGATE,XP(H)::QAB(F)
- B(f);OGATE,XR(I)::QAR2(F)
- P(a);OGATE::B(A)
- P(b);OGATE::QAR(F)
- P(c);OGATE,XP(C)::QAB(F)
- P(d);OGATE,XP(C)::QAR(F)
- P(e);OGATE,XP(E)::R(G)
- P(h);N_GUARD::QAB(F)
- Tries
- Try
- S(K);XS(k)
- Vars
- B(f);OGATE,XP(H)::QAB(F)
- B(f);OGATE,XR(I)::QAR2(F)
- B(g);N_GUARD,XP(D)::QAB1(F),XP(i)
- P(c);OGATE,XP(C)::QAB(F)
- P(d);OGATE,XP(C)::QAR(F)
- P(e);OGATE,XP(E)::R(G)
- B(g);N_GUARD::QAB1(F),XP(i)
- P(a);OGATE::B(A)
- P(b);OGATE::QAR(F)
- P(h);N_GUARD::QAB(F)
- Refutation
- B(g);
- Try
- R(G);XB(g)
- Threat
- R(G)
- Vars
- B(f);OGATE,XR(I)::QAR2(F)
- Refutation
- S(k);XS(K)
- Try
- Q(F);
- Threat
- DUALS(5)
- Vars
- B(g);::R1(I)
- Refutation
- B(f);XR(I)
- Try
- P(H);
- Threat
- P=Q
- Vars
- B(f);OGATE,XR(I)::QAR2(F)
- B(g);XP(D)::P=Q
- B(g);XS(K)::P=Q
- S(k);XS(K)::P=Q
- B(f);OGATE::QAB(F)
- Refutation
- B(g);
- Try
- Actual
- S(L);
- Vars
- B(f);OGATE,XP(H)::QAB(F)
- B(f);OGATE,XR(I)::QAR2(F)
- B(g);OGATE,XP(D)::R(G),XS(k)
- B(g);OGATE,XS(K)::R(G),XS(k)
- S(k);N_GUARD,XS(K)::QAB1(F),XP(i)
- P(c);OGATE,XP(C)::QAB(F)
- P(d);OGATE,XP(C)::QAR(F)
- P(e);OGATE,XP(E)::R(G)
- P(i);OGATE,XS(K)::QAR2(F)
- B(g);OGATE::R(G),XS(k)
- P(a);OGATE::B(A)
- P(b);OGATE::QAR(F)
- P(h);N_GUARD::QAB(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).