MESON Chess Problem Database
Problem Display
PID: 145340 (r4N1k/8/b4R1N/K7/4p2r/B7/3P2P1/3Q1n1q w - - 0 1)
Lewis, Robert Tony
Morse, Christopher Jeremy
Problem Observer, 2006
#2
8 + 7
SOLUTION
- SOUND
- Tries
- 1.Bb2?
- threat
- 2.Rxf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rxa6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rg6#
- 2.Rf7#
- 1...Rh5+
- 2.Rf5#
- 1...Be2+
- 2.Ra6#
- 1...Bd3+
- 2.Ra6#
- 1...Bc4+
- 2.Ra6#
- 1...Bb5+
- 2.Ra6#
- 1...Bb7+
- 2.Ra6#
- 1...Bc8+
- 2.Ra6#
- 1...Qxg2
- 2.Rg6#
- 1...Rxh6
- 2.Rg6#
- 1...Rxf8
- 2.Rf7#
- 1...Sxd2
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rxa6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rg6#
- 2.Rf7#
- 1...Qg1
- 2.Rf2#
- 1...Qh2
- 2.Rf4#
- 1...Qh3
- 2.Rf3#
- 1...Rh3
- 2.Rf3#
- 1...Rf4
- 2.Rxf4#
- 2.Rf5#
- 1...Rg4
- 2.Rg6#
- 1...Ra7
- 2.Rf7#
- 1...Rb8
- 2.Rb6#
- 1...Rc8
- 2.Rc6#
- 1...Rd8
- 2.Rd6#
- 1...Re8
- 2.Re6#
- 1...Sh2
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rxa6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rg6#
- 2.Rf7#
- 1...Se3
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rxa6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rg6#
- 2.Rf7#
- 1...Sg3
- 2.Rf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rxa6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rg6#
- 2.Rf7#
- 1...e3
- 2.Rf4#
- 1...Kg7!
- threat
- 1.Bb2?
- Keys
- 1.Qa1!
- threat
- 2.Rxf1#
- 2.Rf2#
- 2.Rf3#
- 2.Rf4#
- 2.Rf5#
- 2.Rxa6#
- 2.Rb6#
- 2.Rc6#
- 2.Rd6#
- 2.Re6#
- 2.Rg6#
- 2.Rf7#
- 1...Rh5+
- 2.Rf5#
- 1...Be2+
- 2.Ra6#
- 1...Bd3+
- 2.Ra6#
- 1...Bc4+
- 2.Ra6#
- 1...Bb5+
- 2.Ra6#
- 1...Bb7+
- 2.Ra6#
- 1...Bc8+
- 2.Ra6#
- 1...Kg7
- 2.Rxa6#
- 2.Rb6#
- 2.Rc6#
- 2.Re6#
- 2.Rg6#
- 1...Qxg2
- 2.Rg6#
- 1...Rxh6
- 2.Rg6#
- 1...Rxf8
- 2.Rf7#
- 1...Sxd2
- 2.Rf1#
- 1...Qg1
- 2.Rf2#
- 1...Qh2
- 2.Rf4#
- 1...Qh3
- 2.Rf3#
- 1...Rh3
- 2.Rf3#
- 1...Rf4
- 2.Rxf4#
- 2.Rf5#
- 1...Rg4
- 2.Rg6#
- 1...Ra7
- 2.Rf7#
- 1...Rb8
- 2.Rb6#
- 1...Rc8
- 2.Rc6#
- 1...Rd8
- 2.Rd6#
- 1...Re8
- 2.Re6#
- 1...Sh2
- 2.Rf1#
- 1...Se3
- 2.Rf1#
- 1...Sg3
- 2.Rf1#
- 1...e3
- 2.Rf4#
- threat
- 1.Qa1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 25
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(D);
- Threat
- DUALS(12)
- Vars
- R(d);CHECK::B(D)+R(F)
- B(e);CHECK::B(D)+R(F)
- Q(b);XP(C)::B(D)+R(F)
- R(d);XS(G)::B(D)+R(F)
- R(f);XS(H)::B(D)+R(F)
- Q(b);::B(D)+R(F)
- R(d);::B(D)+R(F)
- R(f);::B(D)+R(F)
- P(c);::B(D)+R(F)
- Refutation
- K(g);S_FLIGHT
- Try
- Actual
- Q(A);
- Threat
- DUALS(12)
- Vars
- R(d);CHECK::QAB(A)+R(F)
- B(e);CHECK::QAB(A)+R(F)
- Q(b);XP(C)::QAB(A)+R(F)
- R(d);XS(G)::QAB(A)+R(F)
- R(f);XS(H)::QAB(A)+R(F)
- S(a);XP(B)::QAB(A)+R(F)
- Q(b);::QAB(A)+R(F)
- R(d);::QAB(A)+R(F)
- R(f);::QAB(A)+R(F)
- S(a);::QAB(A)+R(F)
- P(c);::QAB(A)+R(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).