MESON Chess Problem Database
Problem Display
PID: 50339 (8/8/8/p1b5/k2p2P1/pR6/P1B1r3/K5Q1 w - - 0 1)
Robinson, Gary
StrateGems, 2003
#2
6 + 6
SOLUTION
- SOUND
- Sets
- 1...Re1+
- 2.Rb1#
- 1...Re4
- 2.Rb1#
- 2.Rb2#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Re5
- 2.Rb1#
- 2.Rb2#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Re6
- 2.Rb1#
- 2.Rb2#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Re7
- 2.Rb1#
- 2.Rb2#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Re8
- 2.Rb1#
- 2.Rb2#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Re1+
- Tries
- 1.Qxd4+?
- 1...Bb4
- 2.Rxb4#
- 2.Qd7#
- 1...Bxd4+!
- 1...Bb4
- 1.Qb1?
- threat
- 2.Rb4#
- 1...Bb4
- 2.Rxb4#
- 1...Rxc2!
- threat
- 1.Qh1?
- threat
- 2.Qc6#
- 1...Re1+
- 2.Rb1#
- 1...Re4
- 2.Rb1#
- 2.Rb2#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Re6
- 2.Rb1#
- 2.Rb2#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Rg2!
- threat
- 1.Qg2?
- threat
- 2.Qc6#
- 1...Re1+
- 2.Rb1#
- 1...Re4
- 2.Rb1#
- 2.Rb2#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Re6
- 2.Rb1#
- 2.Rb2#
- 2.Rb6#
- 2.Rb7#
- 2.Rb8#
- 1...Rxg2!
- threat
- 1.Qxd4+?
- Keys
- 1.Qe1!
- threat
- 2.Rb4#
- 1...Rxe1+
- 2.Rb1#
- 1...Rxc2
- 2.Qe8#
- 1...Bb4
- 2.Rxb4#
- 1...Rd2
- 2.Qe8#
- threat
- 1.Qe1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(a);CHECK,N_GUARD::B(D)+R(E)
- Tries
- Try
- Q(B);CHECK,XP(d)
- Refutation
- B(f);CHECK,XQ(B)
- Try
- Q(B);
- Threat
- B(D)+R(E),DCHECK
- Vars
- B(f);::B(D)+R(E),DCHECK,XB(f)
- Refutation
- R(a);XB(D)
- Try
- Q(B);
- Threat
- QAB(B)
- Vars
- R(a);CHECK,N_GUARD::B(D)+R(E)
- Refutation
- R(a);
- Try
- Q(B);
- Threat
- QAB(B)
- Vars
- R(a);CHECK,N_GUARD::B(D)+R(E)
- Refutation
- R(a);XQ(B)
- Try
- Actual
- Q(B);
- Threat
- B(D)+R(E),DCHECK
- Vars
- R(a);CHECK,N_GUARD,XQ(B)::B(D)+R(E)
- R(a);OGATE,XB(D)::QAB(B)
- B(f);::B(D)+R(E),DCHECK,XB(f)
- R(a);OGATE::QAB(B)
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).