MESON Chess Problem Database
Problem Display
PID: 89946 (2N5/N7/1p1p4/1pk5/2P5/2QK4/8/8 w - - 0 1)
Markovic, Vladimir
Die Schwalbe, 1997
#2
5 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...bxc4+
- 2.Qxc4#
- 1...b4
- 2.Qd4#
- 1...d5
- 2.cxb5#
- 1...bxc4+
- Tries
- 1.Ke3?
- 1...b4
- 2.Qd4#
- 1...d5
- 2.cxb5#
- 1...bxc4!
- 1...b4
- 1.Se7?
- threat
- 2.cxb5#
- 1...bxc4+
- 2.Qxc4#
- 1...b4
- 2.Qd4#
- 1...d5!
- threat
- 1.Qe1?
- 1...b4
- 2.Qf2#
- 2.Qg1#
- 2.Qe3#
- 1...d5
- 2.Qe7#
- 1...bxc4+!
- 1...b4
- 1.Qb2?
- threat
- 2.Qxb5#
- 1...b4
- 2.Qd4#
- 2.Qf2#
- 1...bxc4+!
- threat
- 1.Qb3?
- threat
- 2.Qxb5#
- 1...bxc4+
- 2.Qxc4#
- 1...b4!
- threat
- 1.Ke3?
- Keys
- 1.Ke4!
- threat
- 2.cxb5#
- 1...d5+
- 2.cxd5#
- 1...bxc4
- 2.Qa3#
- 1...b4
- 2.Qd4#
- threat
- 1.Ke4!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 2
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- P(a);CHECK,OGATE,P_SPINP(a),XP(C)::QAR1(A),XP(a)
- P(a);SBLOCK::QAB1(A)
- P(d);SBLOCK::QAR(A)+P(C),XP(a)
- Tries
- Try
- K(B);P-FLIGHT
- Vars
- P(a);SBLOCK::QAB1(A)
- P(d);SBLOCK::QAR(A)+P(C),XP(a)
- Refutation
- P(a);P_SPINP(a),XP(C)
- Try
- S(E);
- Threat
- QAR(A)+P(C),XP(a)
- Vars
- P(a);CHECK,OGATE,P_SPINP(a),XP(C)::QAR1(A),XP(a)
- P(a);SBLOCK::QAB1(A)
- Refutation
- P(d);
- Try
- Q(A);
- Vars
- P(d);OGATEB::QAB(A)
- Refutation
- P(a);CHECK,XP(C)
- Try
- Q(A);
- Threat
- QAR1(A),XP(a)
- Refutation
- P(a);CHECK,XP(C)
- Try
- Q(A);
- Threat
- QAR1(A),XP(a)
- Vars
- P(a);CHECK,OGATE,XP(C)::QAR1(A),XP(a)
- Refutation
- P(a);
- Try
- Actual
- K(B);S_FLIGHT
- Threat
- QAR(A)+P(C),XP(a)
- Vars
- P(d);CHECK,OGATE::QAR(A)+P(C),XP(d)
- P(a);N_GUARD,P_SPINP(a),SBLOCK,XP(C)::QAB(A)
- P(a);SBLOCK::QAB1(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).