MESON Chess Problem Database
Problem Display
PID: 165780 (8/8/3p3B/8/8/8/Bk6/R2K3Q w - - 0 1)
Chernyavsky, Mykola Vasilovich
Problemskak, 2017
#2
5 + 2
SOLUTION
- SOUND
- Tries
- 1.Bd5?
- threat
- 2.Bg7#
- 1...Kxa1
- 2.Kc2#
- 1...Kc3!
- threat
- 1.Qg2+?
- 1...Kxa1
- 2.Bg7#
- 1...Kc3
- 2.Qd2#
- 1...Ka3!
- 1...Kxa1
- 1.Qe4?
- 1...Kxa1
- 2.Qb1#
- 1...Ka3
- 2.Bc1#
- 1...Kc3
- 2.Bg7#
- 1...d5!
- 1...Kxa1
- 1.Qb7+?
- 1...Kxa1
- 2.Qb1#
- 1...Ka3
- 2.Bb1#
- 2.Bc4#
- 2.Bd5#
- 2.Be6#
- 2.Bf7#
- 2.Bg8#
- 2.Qb3#
- 1...Kc3!
- 1...Kxa1
- 1.Qh2+?
- 1...Kxa1
- 2.Bg7#
- 1...Kc3
- 2.Qd2#
- 1...Ka3!
- 1...Kxa1
- 1.Bd5?
- Keys
- 1.Qd5!
- 1...Kxa1
- 2.Bg7#
- 1...Ka3
- 2.Qb3#
- 1...Kc3
- 2.Qd2#
- 1...Kxa1
- 1.Qd5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(D);
- Threat
- B(E)
- Vars
- K(a);S_FLIGHT,XR(A)::QAR(C)+K(B)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(C);CHECK
- Vars
- K(a);S_FLIGHT,XR(A)::B(E)
- K(a);S_FLIGHT::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(C);
- Vars
- K(a);S_FLIGHT,XR(A)::QAR1(C)
- K(a);S_FLIGHT::B(E)
- Refutation
- P(b);
- Try
- Q(C);CHECK
- Vars
- K(a);OGATE,S_FLIGHT,XR(A)::QAR1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(C);CHECK
- Vars
- K(a);S_FLIGHT,XR(A)::B(E)
- K(a);S_FLIGHT::QAB1(C)
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- Q(C);
- Vars
- K(a);S_FLIGHT,XR(A)::B(E)
- K(a);S_FLIGHT::QAR1(C)
- K(a);S_FLIGHT::QAB1(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).