MESON Chess Problem Database
Problem Display
PID: 7320 (2n5/p6R/8/Bp6/k7/b7/K7/4Q3 w - - 0 1)
Ben Anat, Shai
Problemas, 1999
#2
4 + 5
SOLUTION
- SOUND
- Sets
- 1...Bc1
- 2.Qb4#
- 1...Bb2
- 2.Qb4#
- 1...Bb4
- 2.Qxb4#
- 1...Bc1
- Tries
- 1.Bb6?
- threat
- 2.Qa5#
- 1...Sxb6
- 2.Rxa7#
- 1...b4
- 2.Qe8#
- 1...Bb4
- 2.Qd1#
- 1...a5
- 2.Qxa5#
- 1...axb6!
- threat
- 1.Bc7?
- threat
- 2.Qa5#
- 1...b4
- 2.Qe8#
- 1...Bb4
- 2.Qd1#
- 1...a5
- 2.Qxa5#
- 1...Sb6!
- threat
- 1.Rh4+?
- 1...Bb4
- 2.Qxb4#
- 1...b4!
- 1...Bb4
- 1.Rxa7?
- threat
- 2.Qd1#
- 1...b4
- 2.Qe8#
- 1...Sxa7!
- threat
- 1.Bb6?
- Keys
- 1.Bd8!
- threat
- 2.Qa5#
- 1...b4
- 2.Qe8#
- 1...Bb4
- 2.Qd1#
- 1...Sb6
- 2.Rxa7#
- 1...a5
- 2.Qxa5#
- threat
- 1.Bd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- B(a);N_GUARD::QAR1(A)
- B(a);N_GUARD::QAR1(A),XB(a)
- Tries
- Try
- B(C);
- Threat
- QAR1(A)
- Vars
- S(e);N_GUARD,XB(C)::R(D),XP(d)
- P(c);OGATEB,SBLOCK::QAB(A)
- B(a);SBLOCK::QAB(A)
- P(d);::QAR1(A),XP(d)
- Refutation
- P(d);XB(C)
- Try
- B(C);
- Threat
- QAR1(A)
- Vars
- P(c);OGATEB,SBLOCK::QAB(A)
- B(a);SBLOCK::QAB(A)
- P(d);::QAR1(A),XP(d)
- Refutation
- S(e);
- Try
- R(D);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAR1(A),XB(a)
- Refutation
- P(c);P_SPINP(c)
- Try
- R(D);XP(d)
- Threat
- QAB(A)
- Vars
- P(c);OGATEB::QAB(A)
- Refutation
- S(e);XR(D)
- Try
- Actual
- B(C);
- Threat
- QAR1(A)
- Vars
- P(c);OGATEB,SBLOCK::QAB(A)
- B(a);SBLOCK::QAB(A)
- S(e);N_GUARD::R(D),XP(d)
- P(d);::QAR1(A),XP(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).