MESON Chess Problem Database
Problem Display
PID: 163927 (8/KNkp4/2p5/3P4/8/8/8/2Q5 w - - 0 1)
Zujevas, Nikolajus
Best Problems, 2014
#2
4 + 3
SOLUTION
- SOUND
- Sets
- 1...c5
- 2.Qxc5#
- 1...d6
- 2.Qxc6#
- 1...c5
- Tries
- 1.Qf4+?
- 1...Kc8
- 2.Qb8#
- 1...d6!
- 1...Kc8
- 1.Qc2?
- 1...d6
- 2.Qxc6#
- 1...c5
- 2.Qxc5#
- 1...Kc8!
- 1...d6
- 1.Qc3?
- 1...d6
- 2.Qxc6#
- 1...c5
- 2.Qxc5#
- 1...Kc8!
- 1...d6
- 1.Qc4?
- 1...d6
- 2.Qxc6#
- 1...c5
- 2.Qxc5#
- 1...Kc8!
- 1...d6
- 1.Qc5?
- 1...d6
- 2.Qxc6#
- 1...Kc8!
- 1...d6
- 1.Qf4+?
- Keys
- 1.Qg5!
- threat
- 2.Qd8#
- 1...Kc8
- 2.Qd8#
- 1...cxd5
- 2.Qc1#
- threat
- 1.Qg5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- P(a);OGATEB::QAR2(A),XP(a)
- P(c);N_GUARD::QAR1(A),XP(a)
- Tries
- Try
- Q(A);CHECK,N_PINP(a)
- Vars
- K(b);OGATE,P-FLIGHT::QAR1(A)
- Refutation
- P(c);P_SPINP(c)
- Try
- Q(A);
- Vars
- P(c);N_GUARD::QAR1(A),XP(a)
- P(a);OGATEB::QAR2(A),XP(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Vars
- P(c);N_GUARD::QAR1(A),XP(a)
- P(a);OGATEB::QAR2(A),XP(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Vars
- P(c);N_GUARD::QAR1(A),XP(a)
- P(a);OGATEB::QAR2(A),XP(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Q(A);
- Vars
- P(c);N_GUARD::QAR1(A),XP(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- Q(A);N_PINP(a)
- Threat
- QAB1(A)
- Vars
- K(b);P-FLIGHT::QAR1(A)
- P(a);OGATEB,XP(B)::QAR(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).