MESON Chess Problem Database
Problem Display
PID: 257898 (4rk1K/3rppR1/7P/2NN1b2/7Q/8/5R2/b4q2 w - - 0 1)
Andrade, Barry Jack da Costa
British Chess Magazine, 1934
#2
7 + 8
SOLUTION
- SOUND
- Sets
- 1...Bxg7+
- 2.hxg7#
- 1...Bb1
- 2.Se6#
- 2.Sxd7#
- 1...Bc2
- 2.Se6#
- 2.Sxd7#
- 1...Bd3
- 2.Se6#
- 2.Sxd7#
- 1...Be4
- 2.Se6#
- 2.Sxd7#
- 1...Be6
- 2.Sxe6#
- 1...Bg6
- 2.Se6#
- 2.Sxd7#
- 1...Bh7
- 2.Se6#
- 2.Sxd7#
- 1...e5
- 2.Rg8#
- 1...e6
- 2.Sxd7#
- 1...Bxg7+
- Tries
- 1.Qf6?
- threat
- 2.Rxf7#
- 2.Rg8#
- 2.Qxf7#
- 1...exf6
- 2.Rg8#
- 1...Ra8
- 2.Rg8#
- 2.Qxf7#
- 1...Rb8
- 2.Rg8#
- 2.Qxf7#
- 1...Rc8
- 2.Rg8#
- 2.Qxf7#
- 1...Red8
- 2.Rg8#
- 2.Qxf7#
- 1...Qg2
- 2.Rxf7#
- 2.Qxf7#
- 1...Qg1
- 2.Rxf7#
- 2.Qxf7#
- 1...Be6
- 2.Sxe6#
- 2.Rg8#
- 1...Bg6
- 2.Se6#
- 2.Sxd7#
- 2.Rg8#
- 1...Bh7
- 2.Se6#
- 2.Sxd7#
- 2.Rxf7#
- 2.Qxf7#
- 1...e5
- 2.Rg8#
- 1...e6
- 2.Sxd7#
- 2.Rg8#
- 1...Bxf6!
- threat
- 1.Qf6?
- Keys
- 1.Qh5!
- threat
- 2.Qxf7#
- 1...Bxg7+
- 2.hxg7#
- 1...Be6
- 2.Sxe6#
- 1...Bg6
- 2.Se6#
- 2.Sxd7#
- 1...e5
- 2.Rg8#
- 1...e6
- 2.Sxd7#
- 1...f6
- 2.Rf7#
- 2.Rg8#
- 2.Qf7#
- threat
- 1.Qh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(a);CHECK,OGATE,XR(F)::P(E),XB(a)
- B(c);N_GUARD,P_SPINP(f)::S(C),XB(c)
- P(e);N_PINR(F)::R1(F)
- P(e);S_CUTB(c)::S(C),XR(d)
- Tries
- Try
- Q(B);N_SPINR(F),P_PINP(f)
- Threat
- DUALS(3)
- Vars
- P(e);N_SPINP(f),XQ(B)::R1(F)
- P(e);::R1(F)
- Refutation
- B(a);N_SPINP(f),P_PINR(F),XQ(B)
- Try
- Actual
- Q(B);
- Threat
- QAR1(B),XP(f)
- Vars
- B(a);CHECK,OGATE,XR(F)::P(E),XB(a)
- B(c);N_GUARD,P_SPINP(f)::S(C),XB(c)
- P(e);N_PINR(F)::R1(F)
- P(e);S_CUTB(c)::S(C),XR(d)
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).