MESON Chess Problem Database
Problem Display
PID: 55697 (B1KR4/2Q5/1p6/1p1nBp2/Rbb1k3/1N1N3n/2rPP3/8 w - - 0 1)
Mansfield, Comins
Scacco!, 1977
#2
10 + 9
| 4054 | Complete Mansfield/III | 1999 |
SOLUTION
- SOUND
- Sets
- 1...Ba3
- 2.Bxd5#
- 1...Bc3
- 2.Bxd5#
- 1...Ba5
- 2.Bxd5#
- 1...Bc5
- 2.Bxd5#
- 1...Be7
- 2.Bxd5#
- 1...Bf8
- 2.Bxd5#
- 1...Bxd3
- 2.Bxd5#
- 1...Sg1
- 2.Sf2#
- 1...Sf2
- 2.Sxf2#
- 1...Sf4
- 2.Sf2#
- 1...Sg5
- 2.Sf2#
- 1...f4
- 2.Qh7#
- 1...Ba3
- Tries
- 1.Sbc5+?
- 1...Bxc5
- 2.Bxd5#
- 1...bxc5!
- 1...Bxc5
- 1.Sdc5+?
- 1...Bxc5
- 2.Bxd5#
- 1...bxc5!
- 1...Bxc5
- 1.Ba1?
- threat
- 2.Qe5#
- 1...Bxb3
- 2.Re8#
- 1...Bxd3
- 2.Bxd5#
- 2.Re8#
- 1...Bc3
- 2.Bxd5#
- 1...Bd6!
- threat
- 1.Bb2?
- threat
- 2.Qe5#
- 1...Bxb3
- 2.Re8#
- 1...Bxd3
- 2.Bxd5#
- 2.Re8#
- 1...Bc3
- 2.Bxd5#
- 1...Bd6!
- threat
- 1.Bc3?
- threat
- 2.Qe5#
- 1...Bxc3
- 2.Bxd5#
- 1...Bd6!
- threat
- 1.Bf6?
- threat
- 2.Qe5#
- 1...Bxb3
- 2.Re8#
- 1...Bxd3
- 2.Bxd5#
- 2.Re8#
- 1...Bc3
- 2.Bxd5#
- 1...Bd6!
- threat
- 1.Bg7?
- threat
- 2.Qe5#
- 1...Bxb3
- 2.Re8#
- 1...Bxd3
- 2.Bxd5#
- 2.Re8#
- 1...Bc3
- 2.Bxd5#
- 1...Bd6!
- threat
- 1.Bh8?
- threat
- 2.Qe5#
- 1...Bxb3
- 2.Re8#
- 1...Bxd3
- 2.Bxd5#
- 2.Re8#
- 1...Bc3
- 2.Bxd5#
- 1...Bd6!
- threat
- 1.Rxb4?
- threat
- 2.Bxd5#
- 1...f4
- 2.Qh7#
- 1...Sf4
- 2.Sf2#
- 1...Rxd2!
- threat
- 1.Qxc4+?
- 1...bxc4
- 2.Bxd5#
- 1...Rxc4+!
- 1...bxc4
- 1.Sbc5+?
- Keys
- 1.Qe7!
- threat
- 2.Bd6#
- 1...Bxb3+
- 2.Bc3#
- 1...Bxd3+
- 2.Bc7#
- 1...Bxe7
- 2.Bxd5#
- 1...f4
- 2.Qh7#
- 1...Bd6
- 2.Bxd6#
- 1...Bc3
- 2.Bxc3#
- 2.Bd4#
- 2.Bxd5#
- 1...Sf4
- 2.Sf2#
- 1...Sg5
- 2.Sf2#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- B(c);P_SPINB(d)::B(H),XS(g)
- B(d);N_GUARD,P_PINQ(G),P_SPINB(c),XS(D)::B(H),XS(g)
- S(b);N_GUARD::S(D)
- S(b);N_GUARD::S(D),XS(b)
- P(h);OGATEB::QAB(G)
- Tries
- Try
- S(C);CHECK
- Vars
- B(c);P_SPINB(d),XS(C)::B(H),XS(g)
- Refutation
- P(i);XS(C)
- Try
- S(D);CHECK
- Vars
- B(c);P_SPINB(d),XS(D)::B(H),XS(g)
- Refutation
- P(i);XS(D)
- Try
- B(F);
- Threat
- QAR1(G)
- Vars
- B(d);P_PINQ(G),P_SPINB(c),XS(C)::R(J)
- B(c);P_SPINB(d)::B(H),XS(g)
- Refutation
- B(c);P_SPINB(d)
- Try
- B(F);
- Threat
- QAR1(G)
- Vars
- B(d);P_PINQ(G),P_SPINB(c),XS(C)::R(J)
- B(c);P_SPINB(d)::B(H),XS(g)
- Refutation
- B(c);P_SPINB(d)
- Try
- B(F);
- Threat
- QAR1(G)
- Vars
- B(c);P_SPINB(d),XB(F)::B(H),XS(g)
- Refutation
- B(c);P_SPINB(d)
- Try
- B(F);
- Threat
- QAR1(G)
- Vars
- B(d);P_PINQ(G),P_SPINB(c),XS(C)::R(J)
- B(c);P_SPINB(d)::B(H),XS(g)
- Refutation
- B(c);P_SPINB(d)
- Try
- B(F);
- Threat
- QAR1(G)
- Vars
- B(d);P_PINQ(G),P_SPINB(c),XS(C)::R(J)
- B(c);P_SPINB(d)::B(H),XS(g)
- Refutation
- B(c);P_SPINB(d)
- Try
- B(F);
- Threat
- QAR1(G)
- Vars
- B(d);P_PINQ(G),P_SPINB(c),XS(C)::R(J)
- B(c);P_SPINB(d)::B(H),XS(g)
- Refutation
- B(c);P_SPINB(d)
- Try
- R(E);P_PINB(d),XB(c)
- Threat
- B(H),XS(g)
- Vars
- P(h);OGATEB::QAB(G)
- S(b);N_GUARD::S(D)
- Refutation
- R(a);XP(A)
- Try
- Q(G);CHECK,P_SPINQ(G),XB(d)
- Vars
- P(f);XQ(G)::B(H),XS(g)
- Refutation
- R(a);CHECK,XQ(G)
- Try
- Actual
- Q(G);
- Threat
- QAR(G)+B(F)
- Vars
- B(d);CHECK,P_SPINB(c),XS(C)::QAR(G)+B(F)
- B(d);CHECK,P_SPINB(c),XS(D)::QAR(G)+B(F)
- B(c);P_SPINB(d),XQ(G)::B(H),XS(g)
- P(h);OGATEB::QAB(G)
- B(c);P_SPINB(d)::QAR(G)+B(F),XB(c)
- S(b);N_GUARD::S(D)
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).