MESON Chess Problem Database
Problem Display
PID: 172502 (8/5R2/2pk4/4nQ2/4P3/2K5/8/8 w - - 0 1)
Andreev, Aleksandr Grigorevich
Kuban segodniya, 2001
#2
4 + 3
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Sd3
- 2.Rd7#
- 1...Sf3
- 2.Rd7#
- 1...Sc4
- 2.Rd7#
- 1...Sg4
- 2.Rd7#
- 1...Sg6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...c5
- 2.Qf6#
- 1...Sd3
- Tries
- 1.Ra7?
- 1...Sd3
- 2.Rd7#
- 1...Sf3
- 2.Rd7#
- 1...Sc4
- 2.Rd7#
- 1...Sg4
- 2.Rd7#
- 1...Sg6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...Sf7
- 2.Rd7#
- 1...c5
- 2.Qf6#
- 1...Kc5!
- 1...Sd3
- 1.Qf4?
- 1...Ke6
- 2.Qf6#
- 1...c5
- 2.Qf6#
- 1...Kc5!
- 1...Ke6
- 1.Ra7?
- Keys
- 1.Rb7!
- 1...Kc5
- 2.Qxe5#
- 2.Qf8#
- 1...Sd3
- 2.Rd7#
- 1...Sf3
- 2.Rd7#
- 1...Sc4
- 2.Rd7#
- 1...Sg4
- 2.Rd7#
- 1...Sg6
- 2.Rd7#
- 1...Sd7
- 2.Rxd7#
- 1...Sf7
- 2.Rd7#
- 1...c5
- 2.Qf6#
- 1...Kc5
- 1.Rb7!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- P(b);SBLOCK::QAR2(C)
- Tries
- Try
- R(D);
- Vars
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- P(b);SBLOCK::QAR2(C)
- Refutation
- K(c);P_SPINS(a),S_FLIGHT
- Try
- Q(C);P_PINS(a)
- Vars
- K(c);N_SPINS(a),P-FLIGHT::QAR1(C)
- P(b);SBLOCK::QAR2(C)
- Refutation
- K(c);N_SPINS(a),S_FLIGHT
- Try
- Actual
- R(D);
- Vars
- S(a);N_GUARD::R1(D)
- S(a);N_GUARD::R1(D),XS(a)
- P(b);SBLOCK::QAR2(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).