MESON Chess Problem Database
Problem Display
PID: 234667 (7Q/3pRpRK/8/8/8/5k2/8/8 w - - 0 1)
Lincoln, Robert A
Kudesnik, 2008
#2
4 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Rg5?
- threat
- 2.Qf6#
- 1...Kf2
- 2.Qf6#
- 1...Kf4
- 2.Qf6#
- 1...f6
- 2.Qxf6#
- 1...f5!
- threat
- 1.Rg8?
- threat
- 2.Qf6#
- 1...Kf2
- 2.Qf6#
- 1...Kf4
- 2.Qf6#
- 1...f6
- 2.Qxf6#
- 1...f5!
- threat
- 1.Qa8+?
- 1...Kf2
- 2.Qg2#
- 1...Kf4
- 2.Qe4#
- 1...d5!
- 1...Kf2
- 1.Qb8?
- threat
- 2.Qg3#
- 1...Kf2
- 2.Qf4#
- 1...d6!
- threat
- 1.Rg5?
- Keys
- 1.Qf8!
- threat
- 2.Qxf7#
- 1...Kf2
- 2.Qxf7#
- 1...Kf4
- 2.Qxf7#
- 1...f5
- 2.Qxf5#
- 1...f6
- 2.Qxf6#
- threat
- 1.Qf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(B);
- Threat
- QAR(D)
- Vars
- K(a);P-FLIGHT::QAR(D)
- K(a);P-FLIGHT::QAR2(D)
- P(c);::QAR(D),XP(c)
- Refutation
- P(c);
- Try
- R(B);
- Threat
- QAR(D)
- Vars
- K(a);P-FLIGHT::QAR(D)
- K(a);P-FLIGHT::QAR2(D)
- P(c);::QAR(D),XP(c)
- Refutation
- P(c);
- Try
- Q(D);CHECK
- Vars
- K(a);OGATE,P-FLIGHT::QAR1(D)
- K(a);P-FLIGHT::QAR1(D)
- Refutation
- P(b);P_SPINP(b)
- Try
- Q(D);
- Threat
- QAR1(D)
- Vars
- K(a);P-FLIGHT::QAR2(D)
- Refutation
- P(b);
- Try
- Actual
- Q(D);P_PINP(c)
- Threat
- QAR(D),XP(c)
- Vars
- K(a);P-FLIGHT::QAR(D),XP(c)
- P(c);OGATE::QAR2(D),XP(c)
- P(c);OGATE::QAR(D),XP(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).