MESON Chess Problem Database
Problem Display
PID: 172433 (1rB5/1N4Q1/k1K5/8/3p4/8/8/8 w - - 0 1)
Andreev, Aleksandr Grigorevich
Kuban segodniya, 1997
#2
4 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...d3
- 2.Qa1#
- 1...d3
- Tries
- 1.Qf8?
- threat
- 2.Qa3#
- 1...Ka7
- 2.Qa3#
- 1...Rxc8+!
- threat
- 1.Qg1?
- threat
- 2.Qa1#
- 1...Ka7
- 2.Qa1#
- 1...Rxc8+!
- threat
- 1.Qg2?
- threat
- 2.Qa2#
- 1...Ka7
- 2.Qa2#
- 1...Rxc8+!
- threat
- 1.Qe7?
- threat
- 2.Qa3#
- 1...Ka7
- 2.Qa3#
- 1...Rxc8+!
- threat
- 1.Qf7?
- threat
- 2.Qa2#
- 1...Ka7
- 2.Qa2#
- 1...Rxc8+!
- threat
- 1.Qg8?
- threat
- 2.Qa2#
- 1...Ka7
- 2.Qa2#
- 1...Rxc8+!
- threat
- 1.Qf8?
- Keys
- 1.Qc7!
- threat
- 2.Sc5#
- 2.Qa5#
- 2.Qb6#
- 1...Ka7
- 2.Qa5#
- 1...Rxb7
- 2.Qb6#
- 1...Rxc8
- 2.Sc5#
- threat
- 1.Qc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- P(a);OGATE::QAR(C)
- Tries
- Try
- Q(C);
- Threat
- QAR(C)
- Vars
- K(b);P-FLIGHT::QAR(C)
- Refutation
- R(c);CHECK,XB(D)
- Try
- Q(C);
- Threat
- QAR(C)
- Vars
- K(b);P-FLIGHT,P_SPINP(a)::QAR(C)
- Refutation
- R(c);CHECK,XB(D)
- Try
- Q(C);
- Threat
- QAR(C)
- Vars
- K(b);P-FLIGHT::QAR(C)
- Refutation
- R(c);CHECK,XB(D)
- Try
- Q(C);
- Threat
- QAR(C)
- Vars
- K(b);P-FLIGHT::QAR(C)
- Refutation
- R(c);CHECK,XB(D)
- Try
- Q(C);
- Threat
- QAR(C)
- Vars
- K(b);P-FLIGHT::QAR(C)
- Refutation
- R(c);CHECK,XB(D)
- Try
- Q(C);
- Threat
- QAR(C)
- Vars
- K(b);P-FLIGHT::QAR(C)
- Refutation
- R(c);CHECK,XB(D)
- Try
- Actual
- Q(C);
- Threat
- DUALS(3)
- Vars
- K(b);P-FLIGHT::QAR2(C)
- R(c);P_SPINR(c),XS(B)::QAR1(C)
- R(c);P_PINQ(C),XB(D)::S(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).