MESON Chess Problem Database
Problem Display
PID: 146322 (8/8/8/3N4/1K1kPQ2/8/2b1P3/8 w - - 0 1)
Stojnic, Dragan
The Problemist, 2012
#2
5 + 2
SOLUTION
- SOUND
- Sets
- 1...Bd3
- 2.e3#
- 1...Bd3
- Tries
- 1.Se3?
- threat
- 2.Sxc2#
- 2.Sf5#
- 1...Bb1
- 2.Sf5#
- 1...Bd1
- 2.Sf5#
- 2.e5#
- 1...Bb3
- 2.Sf5#
- 2.e5#
- 1...Bd3
- 2.Sf5#
- 1...Ba4
- 2.Sf5#
- 2.e5#
- 1...Bxe4!
- threat
- 1.Sf6?
- 1...Bxe4
- 2.Qxe4#
- 1...Bd1
- 2.e5#
- 1...Bb3
- 2.e5#
- 1...Bd3
- 2.e3#
- 1...Ba4
- 2.e5#
- 1...Bb1!
- 1...Bxe4
- 1.Sc7?
- threat
- 2.Sb5#
- 2.Se6#
- 1...Bb3
- 2.Sb5#
- 2.e5#
- 1...Bd3
- 2.Se6#
- 2.e3#
- 1...Ba4
- 2.Se6#
- 2.e5#
- 1...Bxe4!
- threat
- 1.Se7?
- threat
- 2.Sf5#
- 2.Sc6#
- 1...Ba4
- 2.Sf5#
- 2.e5#
- 1...Bxe4!
- threat
- 1.Se3?
- Keys
- 1.Sc3!
- threat
- 2.Sb5#
- 1...Bxe4
- 2.Qxe4#
- 1...Bd3
- 2.e3#
- 1...Ba4
- 2.e5#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(a);SBLOCK::P(A)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- B(a);::S(E)
- Refutation
- B(a);P_SPINB(a),XP(C)
- Try
- S(E);
- Vars
- B(a);OGATE,P_SPINB(a),XP(C)::QAR1(D),XB(a)
- B(a);N_GUARD::QAR(D)+P(C)
- B(a);SBLOCK::P(A)
- Refutation
- B(a);
- Try
- S(E);
- Threat
- DUALS(2)
- Refutation
- B(a);P_SPINB(a),XP(C)
- Try
- S(E);
- Threat
- DUALS(2)
- Refutation
- B(a);P_SPINB(a),XP(C)
- Try
- Actual
- S(E);
- Threat
- S(E)
- Vars
- B(a);OGATE,P_SPINB(a),XP(C)::QAR1(D),XB(a)
- B(a);SBLOCK::P(A)
- B(a);N_GUARD::QAR(D)+P(C)
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).