MESON Chess Problem Database
Problem Display
PID: 53950 (8/1Q5B/1nr1ppN1/5kP1/2p2p1P/2P2P2/8/2K5 w - - 0 1)
Watson, Frederick W
The Chess Review, 1935
#2
8 + 7
SOLUTION
- SOUND
- Sets
- 1...Rc5
- 2.Qe4#
- 1...Rd6
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Rc8
- 2.Qe4#
- 1...Sa4
- 2.Qb1#
- 1...Sd5
- 2.Qb1#
- 1...Sd7
- 2.Qb1#
- 1...Sa8
- 2.Qb1#
- 1...Sc8
- 2.Qb1#
- 1...e5
- 2.Sf8#
- 1...fxg5
- 2.Qf7#
- 1...Rc5
- Tries
- 1.Kd1?
- 1...fxg5
- 2.Qf7#
- 1...e5
- 2.Sf8#
- 1...Rc5
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Rc8
- 2.Qe4#
- 1...Sa4
- 2.Qb1#
- 1...Sd5
- 2.Qb1#
- 1...Sd7
- 2.Qb1#
- 1...Sa8
- 2.Qb1#
- 1...Sc8
- 2.Qb1#
- 1...Rd6+!
- 1...fxg5
- 1.Kd2?
- 1...fxg5
- 2.Qf7#
- 1...e5
- 2.Sf8#
- 1...Sd5
- 2.Qb1#
- 1...Rc5
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Rc8
- 2.Qe4#
- 1...Sa4
- 2.Qb1#
- 1...Sd7
- 2.Qb1#
- 1...Sa8
- 2.Qb1#
- 1...Sc8
- 2.Qb1#
- 1...Rd6+!
- 1...fxg5
- 1.Kd1?
- Keys
- 1.Bg8!
- 1...Kxg6
- 2.Qh7#
- 1...fxg5
- 2.Qf7#
- 1...Sd5
- 2.Qb1#
- 1...Rc5
- 2.Qe4#
- 1...Rd6
- 2.Qe4#
- 1...Rc7
- 2.Qe4#
- 1...Rc8
- 2.Qe4#
- 1...Sa4
- 2.Qb1#
- 1...Sd7
- 2.Qb1#
- 1...Sa8
- 2.Qb1#
- 1...Sc8
- 2.Qb1#
- 1...e5
- 2.Se7#
- 1...Kxg6
- 1.Bg8!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(e);OGATE::QAB1(G)
- S(d);OGATE::QAB(G)
- P(f);SBLOCK::B(H)+S(F)
- P(g);OGATEB,XP(E)::QAR2(G)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- P(g);OGATEB,XP(E)::QAR2(G)
- P(f);SBLOCK::B(H)+S(F)
- R(e);OGATE::QAB1(G)
- S(d);OGATE::QAB(G)
- Refutation
- R(e);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- P(g);OGATEB,XP(E)::QAR2(G)
- P(f);SBLOCK::B(H)+S(F)
- S(d);OGATE::QAB(G)
- R(e);OGATE::QAB1(G)
- Refutation
- R(e);CHECK
- Try
- Actual
- B(H);
- Vars
- K(c);OGATEB,S_FLIGHT,XS(F)::QAB1(G)
- P(g);OGATEB,XP(E)::QAR2(G)
- S(d);OGATE::QAB(G)
- R(e);OGATE::QAB1(G)
- P(f);SBLOCK::S(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).