MESON Chess Problem Database
Problem Display
PID: 11470 (6Bb/4BpkP/7p/4PP1p/4Pp1P/1r3R2/Qn4p1/6K1 w - - 0 1)
Bernard, Henry D'Oyly
Chess, 1939
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Ra3
- 2.Qxf7#
- 1...Rc3
- 2.Qxf7#
- 1...Rd3
- 2.Qxf7#
- 1...Re3
- 2.Qxf7#
- 1...Rxf3
- 2.Qxf7#
- 1...Rb4
- 2.Qxf7#
- 1...Rb5
- 2.Qxf7#
- 1...Rb6
- 2.Qxf7#
- 1...Rb7
- 2.Qxf7#
- 1...Rb8
- 2.Qxf7#
- 1...Sd1
- 2.Qxg2#
- 1...Sd3
- 2.Qxg2#
- 1...Sa4
- 2.Qxg2#
- 1...Sc4
- 2.Qxg2#
- 1...f6
- 2.exf6#
- 1...Ra3
- Tries
- 1.Rxb3?
- 1...Sd1
- 2.Qxg2#
- 1...Sd3
- 2.Qxg2#
- 1...Sa4
- 2.Qxg2#
- 1...Sc4
- 2.Qxg2#
- 1...f6
- 2.exf6#
- 1...f3!
- 1...Sd1
- 1.Rc3?
- 1...Rxc3
- 2.Qxf7#
- 1...Rb7
- 2.Qxf7#
- 1...Ra3
- 2.Qxf7#
- 1...Rb4
- 2.Qxf7#
- 1...Rb5
- 2.Qxf7#
- 1...Rb6
- 2.Qxf7#
- 1...Rb8
- 2.Qxf7#
- 1...Sd1
- 2.Qxg2#
- 1...Sd3
- 2.Qxg2#
- 1...Sa4
- 2.Qxg2#
- 1...Sc4
- 2.Qxg2#
- 1...f6
- 2.exf6#
- 1...f3!
- 1...Rxc3
- 1.Rd3?
- 1...Rxd3
- 2.Qxf7#
- 1...Sxd3
- 2.Qxg2#
- 1...Rb7
- 2.Qxf7#
- 1...Ra3
- 2.Qxf7#
- 1...Rc3
- 2.Qxf7#
- 1...Rb4
- 2.Qxf7#
- 1...Rb5
- 2.Qxf7#
- 1...Rb6
- 2.Qxf7#
- 1...Rb8
- 2.Qxf7#
- 1...Sd1
- 2.Qxg2#
- 1...Sa4
- 2.Qxg2#
- 1...Sc4
- 2.Qxg2#
- 1...f6
- 2.exf6#
- 1...f3!
- 1...Rxd3
- 1.Rg3+?
- 1...Rxg3
- 2.Qxf7#
- 1...fxg3!
- 1...Rxg3
- 1.Qxb3?
- threat
- 2.Qxf7#
- 1...f6
- 2.Qf7#
- 2.exf6#
- 1...Sc4!
- threat
- 1.Qa6?
- threat
- 2.Qf6#
- 1...f6
- 2.Qxf6#
- 2.exf6#
- 1...Rb6!
- threat
- 1.Qa8?
- threat
- 2.Bf6#
- 2.Bf8#
- 2.Qf8#
- 1...Rb6
- 2.Bf8#
- 2.Qf8#
- 1...f6
- 2.Bxf6#
- 2.Bf8#
- 2.Qf8#
- 2.exf6#
- 1...Rb8!
- threat
- 1.Rxb3?
- Keys
- 1.Bb4!
- 1...Rxf3
- 2.Qxf7#
- 1...Rxb4
- 2.Qxf7#
- 1...Ra3
- 2.Qxf7#
- 1...Rc3
- 2.Qxf7#
- 1...Rd3
- 2.Qxf7#
- 1...Re3
- 2.Qxf7#
- 1...Sd1
- 2.Qxg2#
- 1...Sd3
- 2.Qxg2#
- 1...Sa4
- 2.Qxg2#
- 1...Sc4
- 2.Qxg2#
- 1...f6
- 2.Qa7#
- 1...Rxf3
- 1.Bb4!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(c);OGATE::QAR1(B),XP(g)
- R(c);OGATE,XR(C)::QAR1(B),XP(g)
- S(a);OGATE::QAR(B),XP(b)
- P(g);OGATE::P(F),XP(g)
- Tries
- Try
- R(C);XR(c)
- Vars
- S(a);OGATE::QAR(B),XP(b)
- P(g);OGATE::P(F),XP(g)
- Refutation
- P(d);
- Try
- R(C);
- Vars
- R(c);OGATE,XR(C)::QAR1(B),XP(g)
- R(c);OGATE::QAR1(B),XP(g)
- S(a);OGATE::QAR(B),XP(b)
- P(g);OGATE::P(F),XP(g)
- Refutation
- P(d);
- Try
- R(C);
- Vars
- R(c);OGATE,XR(C)::QAR1(B),XP(g)
- S(a);OGATE,XR(C)::QAR(B),XP(b)
- R(c);OGATE::QAR1(B),XP(g)
- S(a);OGATE::QAR(B),XP(b)
- P(g);OGATE::P(F),XP(g)
- Refutation
- P(d);
- Try
- R(C);CHECK
- Vars
- R(c);OGATE,XR(C)::QAR1(B),XP(g)
- Refutation
- P(d);XR(C)
- Try
- Q(B);XR(c)
- Threat
- QAR1(B),XP(g)
- Refutation
- S(a);
- Try
- Q(B);
- Threat
- QAB1(B)
- Refutation
- R(c);
- Try
- Q(B);
- Threat
- DUALS(3)
- Refutation
- R(c);
- Try
- Actual
- B(H);
- Vars
- R(c);OGATE,XR(C)::QAR1(B),XP(g)
- R(c);OGATE,XB(H)::QAR1(B),XP(g)
- R(c);OGATE::QAR1(B),XP(g)
- S(a);OGATE::QAR(B),XP(b)
- P(g);OGATEB::QAR(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).