MESON Chess Problem Database
Problem Display
PID: 100861 (2q2n2/2p1Q1p1/1p2n3/2bB1b1R/pP1kpP2/K2pN3/3P4/8 w - - 0 1)
Branch, William Shelley
Good Companions (March), 1917
#2
8 + 12
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxb4+
- 2.Qxb4#
- 1...Sxf4
- 2.Qxg7#
- 1...Sg5
- 2.Qe5#
- 2.Qxg7#
- 1...Sd8
- 2.Qe5#
- 2.Qxg7#
- 1...g5
- 2.Qf6#
- 1...g6
- 2.Qf6#
- 1...Bxb4+
- Tries
- 1.Bb3?
- threat
- 2.Sxf5#
- 1...Bxb4+
- 2.Qxb4#
- 1...Sxf4
- 2.Qxg7#
- 1...Bh3
- 2.Rd5#
- 1...Bg4
- 2.Rd5#
- 1...Bg6
- 2.Rd5#
- 1...Bh7
- 2.Rd5#
- 1...Sg5
- 2.Qe5#
- 2.Qxg7#
- 1...Sd8
- 2.Qe5#
- 2.Qxg7#
- 1...g6
- 2.Qf6#
- 1...axb3!
- threat
- 1.Bb3?
- Keys
- 1.Ba2!
- threat
- 2.Sxf5#
- 1...Bxb4+
- 2.Qxb4#
- 1...Sxf4
- 2.Qxg7#
- 1...Bh3
- 2.Rd5#
- 1...Bg4
- 2.Rd5#
- 1...Bg6
- 2.Rd5#
- 1...Bh7
- 2.Rd5#
- 1...Sg5
- 2.Qe5#
- 2.Qxg7#
- 1...Sd8
- 2.Qe5#
- 2.Qxg7#
- 1...g6
- 2.Qf6#
- threat
- 1.Ba2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 1
- Sets
- B(e);CHECK,OGATE,XP(D)::QAR2(H),XB(e)
- S(h);N_GUARD,XP(E)::QAB(H),XP(j)
- P(j);N_GUARD::QAB(H)
- Tries
- Try
- B(F);
- Threat
- S(C),XB(f)
- Vars
- B(e);CHECK,OGATE,XP(D)::QAR2(H),XB(e)
- S(h);N_GUARD,XP(E)::QAB(H),XP(j)
- B(f);OGATE::R1(G)
- P(j);N_GUARD::QAB(H)
- Refutation
- P(b);XB(F)
- Try
- Actual
- B(F);
- Threat
- S(C),XB(f)
- Vars
- B(e);CHECK,OGATE,XP(D)::QAR2(H),XB(e)
- S(h);N_GUARD,XP(E)::QAB(H),XP(j)
- B(f);OGATE::R1(G)
- P(j);N_GUARD::QAB(H)
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).