MESON Chess Problem Database
Problem Display
PID: 81637 (3n2K1/8/1R1Bp3/3kP3/2p5/2P5/8/1Qb5 w - - 0 1)
Thomson, Robert Gavin
Grantham Journal, 1925
#2
6 + 5
SOLUTION
- SOUND
- Sets
- 1...Bb2
- 2.Qh1#
- 1...Bd2
- 2.Qh1#
- 1...Ba3
- 2.Qh1#
- 1...Be3
- 2.Qh1#
- 1...Bf4
- 2.Qh1#
- 1...Bg5
- 2.Qh1#
- 1...Bh6
- 2.Qh1#
- 1...Sc6
- 2.Rb5#
- 1...Bb2
- Tries
- 1.Ra6?
- 1...Sb7
- 2.Qxb7#
- 1...Bb2
- 2.Qh1#
- 1...Bd2
- 2.Qh1#
- 1...Ba3
- 2.Qh1#
- 1...Be3
- 2.Qh1#
- 1...Bf4
- 2.Qh1#
- 1...Bg5
- 2.Qh1#
- 1...Bh6
- 2.Qh1#
- 1...Sf7
- 2.Qb7#
- 1...Sc6!
- 1...Sb7
- 1.Rb7?
- 1...Kc6
- 2.Qe4#
- 2.Qb5#
- 1...Sxb7
- 2.Qxb7#
- 1...Bb2
- 2.Qh1#
- 1...Bd2
- 2.Qh1#
- 1...Ba3
- 2.Qh1#
- 1...Be3
- 2.Qh1#
- 1...Bf4
- 2.Qh1#
- 1...Bg5
- 2.Qh1#
- 1...Bh6
- 2.Qh1#
- 1...Sc6
- 2.Rb5#
- 1...Sf7!
- 1...Kc6
- 1.Ra6?
- Keys
- 1.Rb8!
- 1...Kc6
- 2.Qb5#
- 1...Sb7
- 2.Qxb7#
- 1...Bb2
- 2.Qh1#
- 1...Bd2
- 2.Qh1#
- 1...Ba3
- 2.Qh1#
- 1...Be3
- 2.Qh1#
- 1...Bf4
- 2.Qh1#
- 1...Bg5
- 2.Qh1#
- 1...Bh6
- 2.Qh1#
- 1...Sc6
- 2.Rb5#
- 1...Sf7
- 2.Qb7#
- 1...Kc6
- 1.Rb8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- B(a);OGATE::QAB(A)
- S(e);SBLOCK::R(D)
- Tries
- Try
- R(D);
- Vars
- S(e);N_GUARD::QAB(A),XS(e)
- B(a);OGATE::QAB(A)
- S(e);N_GUARD::QAB(A)
- Refutation
- S(e);
- Try
- R(D);
- Vars
- S(e);OGATE,XR(D)::QAB(A),XS(e)
- B(a);OGATE::QAB(A)
- S(e);SBLOCK::R(D)
- Refutation
- S(e);
- Try
- Actual
- R(D);
- Vars
- K(c);S_FLIGHT::QAB1(A)
- S(e);N_GUARD::QAB(A),XS(e)
- B(a);OGATE::QAB(A)
- S(e);SBLOCK::R(D)
- S(e);N_GUARD::QAB(A)
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).