MESON Chess Problem Database
Problem Display
PID: 159219 (8/6P1/8/8/N7/rN6/k7/2K1Q3 w - - 0 1)
Andreev, Aleksandr Grigorevich
Bankovskaya gazeta, 1996
#2
5 + 2
| 15148 | Sadier Collection | 2016 |
SOLUTION
- SOUND
- Tries
- 1.Kc2?
- threat
- 2.Sc3#
- 2.Qa1#
- 2.Qb1#
- 1...Rxa4
- 2.Qa1#
- 1...Rxb3!
- threat
- 1.Qc3?
- threat
- 2.Qb2#
- 2.Qc2#
- 1...Rxa4
- 2.Qb2#
- 1...Rxb3!
- threat
- 1.Qb4?
- threat
- 2.Sc3#
- 1...Rxa4
- 2.Qxa4#
- 1...Rxb3!
- threat
- 1.Qh4?
- 1...Kxb3
- 2.g8Q#
- 2.g8B#
- 1...Rxa4
- 2.Qxa4#
- 1...Rxb3!
- 1...Kxb3
- 1.Qe4?
- threat
- 2.Qb1#
- 2.Qc2#
- 1...Kxb3
- 2.g8Q#
- 2.g8B#
- 1...Rxa4
- 2.Qxa4#
- 1...Rxb3!
- threat
- 1.Kc2?
- Keys
- 1.Qa5!
- 1...Kxb3
- 2.g8Q#
- 2.g8B#
- 1...Rxb3
- 2.Sc3#
- 1...Rxa4
- 2.Qxa4#
- 1...Kxb3
- 1.Qa5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(A);P-FLIGHT
- Threat
- DUALS(3)
- Vars
- R(b);XS(D)::QAR1(B)
- Refutation
- R(b);XS(C)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- R(b);XS(D)::QAR1(B)
- Refutation
- R(b);XS(C)
- Try
- Q(B);
- Threat
- S(D)
- Vars
- R(b);OGATE,XS(D)::QAR2(B),XR(b)
- Refutation
- R(b);XS(C)
- Try
- Q(B);
- Vars
- K(a);S_FLIGHT,XS(C)::P=Q
- R(b);OGATE,XS(D)::QAR2(B),XR(b)
- Refutation
- R(b);XS(C)
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- K(a);S_FLIGHT,XS(C)::P=Q
- R(b);OGATE,XS(D)::QAR2(B),XR(b)
- Refutation
- R(b);XS(C)
- Try
- Actual
- Q(B);
- Vars
- K(a);S_FLIGHT,XS(C)::P=Q
- R(b);SBLOCK,XS(C)::QAR(B)+S(D),DCHECK
- R(b);OGATE,P_SPINR(b),XS(D)::QAR2(B),XR(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).