MESON Chess Problem Database
Problem Display
PID: 74580 (2R5/3r2pQ/1p4N1/4P1P1/3k2r1/B1p1p1N1/B3P2P/4KR2 w - - 0 1)
Browne, Gordon
Chess Amateur (The), 1910
#2
12 + 7
SOLUTION
- SOUND
- Sets
- 1...Rxg3
- 2.Rf4#
- 1...Re4
- 2.Sf5#
- 1...Rf4
- 2.Rxf4#
- 1...Rh4
- 2.Qxh4#
- 1...Rxg5
- 2.Rf4#
- 1...Rd5
- 2.Rc4#
- 1...Rd8
- 2.Rxd8#
- 1...c2
- 2.Bb2#
- 1...b5
- 2.Bc5#
- 1...Rxg3
- Tries
- 1.Bb4?
- threat
- 2.Bxc3#
- 1...Rxg3
- 2.Rf4#
- 1...c2
- 2.Bc3#
- 1...Rc7!
- threat
- 1.Rc6?
- 1...Rxg3
- 2.Rf4#
- 1...Rxg5
- 2.Rf4#
- 1...Rd6
- 2.Rxd6#
- 1...Re4
- 2.Sf5#
- 1...Rf4
- 2.Rxf4#
- 1...Rh4
- 2.Qxh4#
- 1...Rd5
- 2.Rc4#
- 1...Ra7
- 2.Rd6#
- 1...Rb7
- 2.Rd6#
- 1...Rc7
- 2.Rd6#
- 1...Re7
- 2.Rd6#
- 1...Rf7
- 2.Rd6#
- 1...c2
- 2.Bb2#
- 1...b5
- 2.Bc5#
- 1...Rd8!
- 1...Rxg3
- 1.Qg8?
- threat
- 2.Rc4#
- 2.Qc4#
- 1...Rd5
- 2.Rc4#
- 2.Qxd5#
- 1...Rc7
- 2.Qd5#
- 1...b5
- 2.Bc5#
- 1...Rf7!
- threat
- 1.Qh3?
- threat
- 2.Qxg4#
- 1...Rxg3
- 2.Rf4#
- 1...Rxg5
- 2.Rf4#
- 2.Qxd7#
- 1...Re4
- 2.Sf5#
- 2.Qxd7#
- 1...Rf4
- 2.Rxf4#
- 2.Qxd7#
- 1...Rh4
- 2.Qxd7#
- 2.Qxh4#
- 1...Rf7!
- threat
- 1.Qh5?
- threat
- 2.Qxg4#
- 1...Rxg3
- 2.Rf4#
- 1...Rxg5
- 2.Rf4#
- 1...Re4
- 2.Sf5#
- 1...Rf4
- 2.Rxf4#
- 1...Rh4
- 2.Qxh4#
- 1...Rf7!
- threat
- 1.Bb4?
- Keys
- 1.Rf6!
- 1...Rxg3
- 2.Rf4#
- 1...Rxg5
- 2.Rf4#
- 1...gxf6
- 2.Qxd7#
- 1...Rd6
- 2.Rxd6#
- 1...Re4
- 2.Sf5#
- 1...Rf4
- 2.Rxf4#
- 1...Rh4
- 2.Qxh4#
- 1...Rd5
- 2.Rc4#
- 1...Ra7
- 2.Rd6#
- 1...Rb7
- 2.Rd6#
- 1...Rc7
- 2.Rd6#
- 1...Re7
- 2.Rd6#
- 1...Rf7
- 2.Rd6#
- 1...Rd8
- 2.Rxd8#
- 1...c2
- 2.Bb2#
- 1...b5
- 2.Bc5#
- 1...Rxg3
- 1.Rf6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- R(d);N_GUARD,XS(G)::R(B)
- R(d);SBLOCK::S(G)
- R(d);N_GUARD::R(B),XR(d)
- R(d);OGATEB::QAR(K),XR(d)
- R(d);N_GUARD,XP(I)::R(B)
- R(f);SBLOCK::R1(L)
- R(f);OGATEB::R(L),XR(f)
- P(a);OGATEB::B(F)
- P(e);N_GUARD::B(F)
- Tries
- Try
- B(F);
- Threat
- B(F),XP(a)
- Vars
- R(d);N_GUARD,XS(G)::R(B)
- P(a);::B(F)
- Refutation
- R(f);
- Try
- R(L);
- Vars
- R(d);N_GUARD,XS(G)::R(B)
- R(d);N_GUARD,XP(I)::R(B)
- R(f);N_GUARD::R(L),XR(f)
- R(d);SBLOCK::S(G)
- R(d);N_GUARD::R(B),XR(d)
- R(d);OGATEB::QAR(K),XR(d)
- R(f);SBLOCK::R1(L)
- R(f);N_GUARD::R(L)
- P(a);OGATEB::B(F)
- P(e);N_GUARD::B(F)
- Refutation
- R(f);
- Try
- Q(K);
- Threat
- DUALS(2)
- Vars
- R(f);N_GUARD::QAR1(K)
- P(e);N_GUARD::B(F)
- Refutation
- R(f);
- Try
- Q(K);
- Threat
- QAR(K),XR(d)
- Vars
- R(d);N_GUARD,XS(G)::R(B)
- Refutation
- R(f);
- Try
- Q(K);
- Threat
- QAR(K),XR(d)
- Vars
- R(d);N_GUARD,XS(G)::R(B)
- R(d);N_GUARD,XP(I)::R(B)
- R(d);SBLOCK::S(G)
- R(d);N_GUARD::R(B),XR(d)
- R(d);OGATEB::QAR(K),XR(d)
- Refutation
- R(f);
- Try
- Actual
- R(B);
- Vars
- R(d);N_GUARD,XS(G)::R(B)
- R(d);N_GUARD,XP(I)::R(B)
- P(g);OGATE,XR(B)::QAR(K),XR(f)
- R(f);N_GUARD::R(B),XR(f)
- R(d);SBLOCK::S(G)
- R(d);N_GUARD::R(B),XR(d)
- R(d);OGATEB::QAR(K),XR(d)
- R(f);SBLOCK::R1(L)
- R(f);N_GUARD::R(B)
- R(f);OGATEB::R(L),XR(f)
- P(a);OGATEB::B(F)
- P(e);N_GUARD::B(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).