MESON Chess Problem Database
Problem Display
PID: 49277 (4b3/2pRP1rq/K1k2N1r/8/4p1Rp/2n4B/p2Q4/b5B1 w - - 0 1)
Anonymous
Huddersfield College Magazine, 1879
#2
8 + 11
SOLUTION
- SOUND
- Sets
- 1...Bxd7
- 2.Qxd7#
- 1...Sb1
- 2.Qd5#
- 1...Sd1
- 2.Qd5#
- 1...Se2
- 2.Qd5#
- 1...Sa4
- 2.Qd5#
- 1...Sb5
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...e3
- 2.Rc4#
- 1...Bxd7
- Tries
- 1.Sxe8?
- threat
- 2.Rxc7#
- 1...Sd5
- 2.Qxd5#
- 1...Sb5
- 2.Qd5#
- 1...Rxe7!
- threat
- 1.Bb6?
- threat
- 2.Rxc7#
- 1...Bxd7
- 2.Qxd7#
- 1...cxb6
- 2.Qd6#
- 1...Sb5
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Rxe7!
- threat
- 1.Sxe8?
- Keys
- 1.Sd5!
- threat
- 2.Sb4#
- 1...Kxd7+
- 2.Rg6#
- 1...Sxd5
- 2.Qxd5#
- 1...e3
- 2.Rc4#
- 1...Rd6
- 2.Rxc7#
- threat
- 1.Sd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- B(k);OGATE,XR(G)::QAB1(B),XB(k)
- S(c);N_GUARD::QAB1(B)
- S(c);N_GUARD::QAB1(B),XS(c)
- P(d);OGATE::R(D)
- Tries
- Try
- S(F);XB(k)
- Threat
- R1(G),XP(h)
- Vars
- S(c);N_GUARD::QAB1(B),XS(c)
- S(c);N_GUARD::QAB1(B)
- Refutation
- R(i);XP(H)
- Try
- B(A);
- Threat
- R1(G),XP(h)
- Vars
- B(k);OGATE,XR(G)::QAB1(B),XB(k)
- P(h);N_GUARD,XB(A)::QAR1(B)
- S(c);N_GUARD::QAB1(B)
- S(c);N_GUARD::QAB1(B),XS(c)
- Refutation
- R(i);XP(H)
- Try
- Actual
- S(F);
- Threat
- S(F)
- Vars
- K(f);CHECK,S_FLIGHT,XR(G)::B(C)+R(D)
- S(c);OGATE,XS(F)::QAB1(B),XS(c)
- P(d);OGATE::R(D)
- R(g);SBLOCK::R1(G),XP(h)
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).