MESON Chess Problem Database
Problem Display
PID: 60795 (5B2/8/4p3/5p1Q/4k3/5N2/1N3K2/8 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Shakhmatna misl, 1998
#2
5 + 3
SOLUTION
- SOUND
- Sets
- 1...Kf4
- 2.Qh4#
- 1...f4
- 2.Qe5#
- 1...Kf4
- Tries
- 1.Qg4+?
- 1...Kd5
- 2.Qc4#
- 1...f4
- 2.Qxe6#
- 1...fxg4!
- 1...Kd5
- 1.Qf7?
- 1...Kd5
- 2.Qb7#
- 1...e5
- 2.Qc4#
- 1...f4
- 2.Qxe6#
- 1...Kf4!
- 1...Kd5
- 1.Qh4+?
- 1...Kd5
- 2.Qc4#
- 1...f4!
- 1...Kd5
- 1.Qh7?
- 1...Kf4
- 2.Qh4#
- 1...Kd5
- 2.Qb7#
- 1...e5!
- 1...Kf4
- 1.Qh8?
- threat
- 2.Qd4#
- 2.Qe5#
- 1...Kf4
- 2.Qd4#
- 2.Qh4#
- 1...e5
- 2.Qxe5#
- 1...f4
- 2.Qe5#
- 1...Kd5!
- threat
- 1.Qg4+?
- Keys
- 1.Qe8!
- 1...Kf4
- 2.Qa4#
- 1...Kd5
- 2.Qa8#
- 1...e5
- 2.Qxe5#
- 1...f4
- 2.Qxe6#
- 1...Kf4
- 1.Qe8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(a);P-FLIGHT::QAR2(D)
- P(b);OGATE::QAR1(D)
- Tries
- Try
- Q(D);CHECK
- Vars
- K(a);OGATE,S_FLIGHT::QAB1(D)
- P(b);OGATE,P_SPINP(b),SBLOCK::QAR2(D),XP(c)
- Refutation
- P(b);XQ(D)
- Try
- Q(D);
- Vars
- K(a);P_SPINP(c),S_FLIGHT::QAB(D)
- P(c);OGATE::QAR2(D)
- P(b);SBLOCK::QAR2(D),XP(c)
- Refutation
- K(a);P-FLIGHT,P_SPINP(b)
- Try
- Q(D);CHECK
- Vars
- K(a);OGATE,S_FLIGHT::QAB1(D)
- Refutation
- P(b);P_SPINP(b)
- Try
- Q(D);P_PINP(b)
- Vars
- K(a);N_SPINP(b),P-FLIGHT::QAR2(D)
- K(a);N_SPINP(b),S_FLIGHT::QAB(D)
- Refutation
- P(c);
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- P(c);::QAR1(D),XP(c)
- P(b);::QAR1(D)
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- Q(D);P_PINP(c)
- Vars
- K(a);N_SPINP(c),P-FLIGHT::QAR(D)
- K(a);N_SPINP(c),S_FLIGHT::QAB(D)
- P(c);OGATE::QAR1(D),XP(c)
- P(b);SBLOCK::QAR2(D),XP(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).