MESON Chess Problem Database
Problem Display
PID: 233032 (K7/2B5/k1p3Q1/8/b7/1P6/8/8 w - - 0 1)
Kozhakin, Vladimir Vladimirovich
Kudesnik, 2013
#2
4 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Bxb3
- 2.Qxc6#
- 1...Bxb3
- Tries
- 1.Qe4?
- threat
- 2.Qxa4#
- 1...Kb5
- 2.Qc4#
- 1...Bxb3
- 2.Qxc6#
- 1...Bb5!
- threat
- 1.Qf5?
- threat
- 2.Qa5#
- 1...Bb5
- 2.Qc8#
- 1...c5!
- threat
- 1.Qe8?
- 1...Bxb3
- 2.Qxc6#
- 1...Bb5
- 2.Qc8#
- 1...c5
- 2.Qxa4#
- 1...Kb5!
- 1...Bxb3
- 1.Qg1?
- threat
- 2.Qb6#
- 1...Kb5
- 2.Qb6#
- 1...c5!
- threat
- 1.Qg4?
- threat
- 2.Qxa4#
- 1...Kb5
- 2.Qc4#
- 1...Bb5
- 2.Qc8#
- 1...Bxb3!
- threat
- 1.Qe4?
- Keys
- 1.Qe6!
- 1...Kb5
- 2.Qc4#
- 1...Bxb3
- 2.Qxc6#
- 1...Bb5
- 2.Qc8#
- 1...Kb5
- 1.Qe6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(a);N_GUARD,XP(A)::QAR2(B),XP(c)
- Tries
- Try
- Q(B);N_PINP(c)
- Threat
- QAR2(B),XB(a)
- Vars
- K(b);S_FLIGHT::QAB1(B)
- B(a);N_GUARD,XP(A)::QAR2(B),XP(c)
- Refutation
- B(a);
- Try
- Q(B);N_PINP(c)
- Threat
- QAR1(B)
- Vars
- B(a);SBLOCK::QAB(B)
- Refutation
- P(c);
- Try
- Q(B);N_PINP(c)
- Vars
- B(a);N_GUARD,XP(A)::QAR2(B),XP(c)
- B(a);SBLOCK::QAB(B)
- P(c);OGATE::QAR2(B),XB(a)
- Refutation
- K(b);P_SPINP(c),S_FLIGHT
- Try
- Q(B);N_PINP(c)
- Threat
- QAR1(B)
- Vars
- K(b);S_FLIGHT::QAR1(B)
- Refutation
- P(c);
- Try
- Q(B);N_PINP(c)
- Threat
- QAR2(B),XB(a)
- Vars
- K(b);S_FLIGHT::QAB1(B)
- B(a);SBLOCK::QAB(B)
- Refutation
- B(a);XP(A)
- Try
- Actual
- Q(B);
- Vars
- K(b);N_SPINP(c),S_FLIGHT::QAB1(B)
- B(a);N_GUARD,XP(A)::QAR2(B),XP(c)
- B(a);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).