MESON Chess Problem Database
Problem Display
PID: 210254 (8/8/3K4/p3p3/4Q3/k7/pbP5/8 w - - 0 1)
Hoeg, Nils
Land og Folk, 1967
#2
3 + 5
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Tries
- 1.Qd3+?
- 1...Ka4
- 2.Qb3#
- 1...Kb4
- 2.Qb3#
- 1...Bc3!
- 1...Ka4
- 1.Qf3+?
- 1...Ka4
- 2.Qb3#
- 1...Kb4
- 2.Qb3#
- 1...Bc3!
- 1...Ka4
- 1.Qe3+?
- 1...Ka4
- 2.Qb3#
- 1...Kb4
- 2.Qb3#
- 1...Bc3!
- 1...Ka4
- 1.Qc4?
- threat
- 2.Qb3#
- 1...a4
- 2.Qc5#
- 1...a1S!
- threat
- 1.Qd3+?
- Keys
- 1.Qd5!
- threat
- 2.Qb3#
- 2.Qxa5#
- 1...Ka4
- 2.Qb3#
- 1...Kb4
- 2.Qb3#
- 1...Ba1
- 2.Qb3#
- 1...Bc1
- 2.Qb3#
- 1...Bc3
- 2.Qb3#
- 1...Bd4
- 2.Qb3#
- 1...a1S
- 2.Qxa5#
- 1...a4
- 2.Qc5#
- threat
- 1.Qd5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 8
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(B);CHECK
- Vars
- K(c);P-FLIGHT::QAB1(B)
- K(c);S_FLIGHT::QAR1(B)
- Refutation
- B(b);P_SPINB(b)
- Try
- Q(B);CHECK
- Vars
- K(c);P-FLIGHT::QAB1(B)
- K(c);S_FLIGHT::QAR1(B)
- Refutation
- B(b);P_SPINB(b)
- Try
- Q(B);CHECK
- Vars
- K(c);P-FLIGHT::QAB1(B)
- K(c);S_FLIGHT::QAR1(B)
- Refutation
- B(b);P_SPINB(b)
- Try
- Q(B);
- Threat
- QAR1(B)
- Vars
- P(d);SBLOCK::QAB(B)
- Refutation
- P(a);
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- K(c);P-FLIGHT::QAB1(B)
- K(c);S_FLIGHT::QAR1(B)
- B(b);::QAR1(B)
- P(a);::QAR2(B),XP(d)
- P(d);SBLOCK::QAB(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).