MESON Chess Problem Database
Problem Display
PID: 161419 (8/6p1/7k/8/K7/Q5R1/8/8 w - - 0 1)
Poisson, Christian
5th HM., Mariani-50 JT, 2011
#2
3 + 2
| 4901 | Best Problems | 2011 |
SOLUTION
- SOUND
- Tries
- 1.Rxg7?
- 1...Kh5
- 2.Qh3#
- 1...Kxg7!
- 1...Kh5
- 1.Qb2?
- threat
- 2.Qh2#
- 1...Kh5
- 2.Qh2#
- 1...Kh7
- 2.Qxg7#
- 1...g6
- 2.Qh8#
- 1...g5!
- threat
- 1.Qe7?
- threat
- 2.Qh4#
- 1...Kh5
- 2.Qg5#
- 1...Kh7
- 2.Qxg7#
- 1...g6
- 2.Rh3#
- 1...g5!
- threat
- 1.Qa1?
- threat
- 2.Qh1#
- 1...Kh5
- 2.Qh1#
- 1...Kh7
- 2.Qxg7#
- 1...g6
- 2.Qh8#
- 1...g5!
- threat
- 1.Qd3?
- threat
- 2.Qg6#
- 1...Kh5
- 2.Qh7#
- 1...g6
- 2.Qxg6#
- 1...g5!
- threat
- 1.Rxg7?
- Keys
- 1.Qf8!
- threat
- 2.Qh8#
- 1...Kh5
- 2.Qh8#
- 1...Kh7
- 2.Qxg7#
- threat
- 1.Qf8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- Tries
- Try
- R(B);XP(b)
- Vars
- K(a);P-FLIGHT::QAR2(A)
- Refutation
- K(a);S_FLIGHT,XR(B)
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- K(a);P-FLIGHT::QAR(A)
- K(a);P-FLIGHT::QAR1(A),XP(b)
- P(b);OGATE::QAR2(A)
- Refutation
- P(b);
- Try
- Q(A);
- Threat
- QAR2(A)
- Vars
- K(a);P-FLIGHT::QAR1(A)
- K(a);P-FLIGHT,P_SPINP(b)::QAR1(A),XP(b)
- P(b);SBLOCK::R(B)
- Refutation
- P(b);
- Try
- Q(A);
- Threat
- QAR(A)
- Vars
- K(a);P-FLIGHT::QAR(A)
- K(a);P-FLIGHT::QAR1(A),XP(b)
- P(b);OGATE::QAR2(A)
- Refutation
- P(b);
- Try
- Q(A);
- Threat
- QAR1(A)
- Vars
- K(a);P-FLIGHT::QAR2(A)
- P(b);::QAR1(A),XP(b)
- Refutation
- P(b);
- Try
- Actual
- Q(A);P_PINP(b)
- Threat
- QAR2(A)
- Vars
- K(a);N_SPINP(b),P-FLIGHT::QAR(A)
- K(a);N_SPINP(b),P-FLIGHT::QAR1(A),XP(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).