MESON Chess Problem Database
Problem Display
PID: 56682 (1Q6/8/3P3K/3P1pp1/6k1/8/8/4B2B w - - 0 1)
Goetz, A
Bulletin de la FFE, 1923
#2
6 + 3
| 5454 | Near Snap | 2013 |
SOLUTION
- SOUND
- Sets
- 1...f4
- 2.Qc8#
- 1...f4
- Tries
- 1.Bg2?
- 1...f4
- 2.Qc8#
- 1...Kf4!
- 1...f4
- 1.Qa7?
- 1...Kf4
- 2.Qd4#
- 1...f4
- 2.Qd7#
- 1...Kh3!
- 1...Kf4
- 1.Qb2?
- 1...Kh3
- 2.Qg2#
- 1...Kf4
- 2.Qd4#
- 1...f4!
- 1...Kh3
- 1.Qb3?
- threat
- 2.Qf3#
- 2.Qg3#
- 1...Kf4
- 2.Qg3#
- 1...f4!
- threat
- 1.Qe8?
- 1...Kh3
- 2.Qh5#
- 1...f4
- 2.Qd7#
- 2.Qe6#
- 2.Qc8#
- 1...Kf4!
- 1...Kh3
- 1.d7?
- threat
- 2.Qg3#
- 1...Kh3
- 2.Qg3#
- 1...f4!
- threat
- 1.Bg2?
- Keys
- 1.Qh8!
- 1...Kh3
- 2.Kxg5#
- 1...Kf4
- 2.Qd4#
- 1...f4
- 2.Qc8#
- 1...Kh3
- 1.Qh8!
Anticipated by 216216(1882), 148590(1901)
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- P(b);OGATEB,SBLOCK::QAB(F)
- Tries
- Try
- B(B);
- Vars
- P(b);OGATEB,SBLOCK::QAB(F)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(F);
- Vars
- K(a);P-FLIGHT::QAR2(F)
- P(b);OGATEB,SBLOCK::QAB(F)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(F);
- Vars
- K(a);S_FLIGHT::QAB1(F)
- K(a);P-FLIGHT::QAR2(F)
- Refutation
- P(b);
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- K(a);P-FLIGHT::QAB1(F)
- Refutation
- P(b);
- Try
- Q(F);
- Vars
- K(a);S_FLIGHT::QAR2(F)
- Refutation
- K(a);P-FLIGHT
- Try
- P(D);
- Threat
- QAR1(F)
- Vars
- K(a);S_FLIGHT::QAR1(F)
- Refutation
- P(b);
- Try
- Actual
- Q(F);
- Vars
- K(a);S_FLIGHT::QAR(F)+K(E),XP(c)
- K(a);P-FLIGHT::QAR2(F)
- P(b);OGATEB,SBLOCK::QAB(F)
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).