MESON Chess Problem Database
Problem Display
PID: 226343 (1Q3N2/p2b4/8/3k4/6p1/3B4/4K3/6B1 w - - 0 1)
Shire, David J
The Problemist Supplement, 1997
#2
5 + 4
SOLUTION
- SOUND
- Sets
- 1...Kc6
- 2.Be4#
- 1...Kc6
- Tries
- 1.Bh2?
- threat
- 2.Qd6#
- 1...Kd4
- 2.Qe5#
- 1...Kc5
- 2.Qd6#
- 1...Kc6
- 2.Qb5#
- 1...g3!
- threat
- 1.Qe5+?
- 1...Kc6
- 2.Be4#
- 1...Kxe5!
- 1...Kc6
- 1.Qb4?
- threat
- 2.Qc5#
- 1...Ke5
- 2.Qd4#
- 1...Kc6!
- threat
- 1.Qb5+?
- 1...Kd6
- 2.Qc5#
- 1...Bxb5!
- 1...Kd6
- 1.Qb6?
- threat
- 2.Qc5#
- 1...Ke5
- 2.Qd4#
- 1...axb6!
- threat
- 1.Bh2?
- Keys
- 1.Qxa7!
- threat
- 2.Qc5#
- 1...Ke5
- 2.Qd4#
- 1...Kc6
- 2.Qxd7#
- 1...Kd6
- 2.Qc5#
- threat
- 1.Qxa7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- K(b);S_FLIGHT::B(C)
- Tries
- Try
- B(A);
- Threat
- QAR1(D)
- Vars
- K(b);P-FLIGHT::QAB1(D)
- K(b);S_FLIGHT::QAB1(D)
- Refutation
- P(a);
- Try
- Q(D);CHECK
- Vars
- K(b);S_FLIGHT::B(C)
- Refutation
- K(b);P-FLIGHT,XQ(D)
- Try
- Q(D);
- Threat
- QAR1(D)
- Vars
- K(b);P-FLIGHT::QAB1(D)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(D);CHECK
- Vars
- K(b);P-FLIGHT::QAB1(D)
- Refutation
- B(d);P_PINB(C),XQ(D)
- Try
- Q(D);
- Threat
- QAR1(D)
- Vars
- K(b);P-FLIGHT::QAB1(D)
- Refutation
- P(c);XQ(D)
- Try
- Actual
- Q(D);XP(c)
- Threat
- QAR1(D)
- Vars
- K(b);P-FLIGHT::QAB1(D)
- K(b);S_FLIGHT::QAB1(D),XB(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).