MESON Chess Problem Database
Problem Display
PID: 71198 (5B2/1K6/8/pkp5/5Q2/8/2P5/8 w - - 0 1)
Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)
Izbrannie Zadachi, 1958
#2
4 + 3
SOLUTION
- SOUND
- Tries
- 1.Bxc5?
- 1...a4
- 2.Qb4#
- 1...Kxc5!
- 1...a4
- 1.Qd4?
- 1...a4
- 2.Qxc5#
- 1...c4
- 2.Qd7#
- 1...cxd4!
- 1...a4
- 1.Qe4?
- 1...c4
- 2.Qc6#
- 2.Qe8#
- 1...a4!
- 1...c4
- 1.Qg4?
- 1...c4
- 2.Qd7#
- 1...a4!
- 1...c4
- 1.Qf7?
- threat
- 2.Qb3#
- 1...Ka4
- 2.Qb3#
- 1...Kb4
- 2.Qb3#
- 1...c4
- 2.Qe8#
- 2.Qd7#
- 1...a4!
- threat
- 1.Bxc5?
- Keys
- 1.Qe3!
- threat
- 2.Qb3#
- 1...Ka4
- 2.Qb3#
- 1...Kb4
- 2.Qb3#
- 1...Kc4
- 2.Qxc5#
- 1...a4
- 2.Qxc5#
- 1...c4
- 2.Qe8#
- threat
- 1.Qe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(D);XP(c)
- Vars
- P(a);N_GUARD::QAR1(B)
- Refutation
- K(b);P-FLIGHT,XB(D)
- Try
- Q(B);
- Vars
- P(a);SBLOCK::QAR1(B),XP(c)
- P(c);SBLOCK::QAB(B)
- Refutation
- P(c);XQ(B)
- Try
- Q(B);
- Refutation
- P(a);
- Try
- Q(B);
- Vars
- P(c);SBLOCK::QAB(B)
- Refutation
- P(a);
- Try
- Q(B);
- Threat
- QAR2(B)
- Vars
- K(b);S_FLIGHT::QAB1(B)
- K(b);P-FLIGHT,P_SPINP(c)::QAR1(B)
- Refutation
- P(a);
- Try
- Actual
- Q(B);
- Threat
- QAR2(B)
- Vars
- K(b);S_FLIGHT::QAB1(B)
- K(b);P-FLIGHT,P_SPINP(c)::QAR1(B)
- K(b);S_FLIGHT::QAR1(B),XP(c)
- P(a);SBLOCK::QAR1(B),XP(c)
- P(c);SBLOCK::QAB(B)
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).