MESON Chess Problem Database
Problem Display
PID: 149155 (8/4KQ2/B7/6p1/4k1p1/6B1/8/8 w - - 0 1)
Zucker, Manfred
Deutsche Schachzeitung, 1976
#2
4 + 3
| 15148 | Sadier Collection | 2013 |
SOLUTION
- SOUND
- Tries
- 1.Qb3?
- threat
- 2.Qd3#
- 1...Kf5
- 2.Bd3#
- 2.Qc2#
- 2.Qe6#
- 2.Qb1#
- 2.Qd3#
- 1...Kd4!
- threat
- 1.Qc4+?
- 1...Ke3
- 2.Qd3#
- 1...Kf5
- 2.Qd3#
- 2.Qe6#
- 2.Qc2#
- 1...Kf3!
- 1...Ke3
- 1.Qd5+?
- 1...Ke3
- 2.Qd3#
- 1...Kxd5!
- 1...Ke3
- 1.Qe6+?
- 1...Kd4
- 2.Qe5#
- 1...Kf3!
- 1...Kd4
- 1.Qf1?
- threat
- 2.Qd3#
- 1...Ke3
- 2.Qd3#
- 1...Kd5
- 2.Qc4#
- 1...Kd4!
- threat
- 1.Qf4+?
- 1...Kd5
- 2.Qc4#
- 1...gxf4!
- 1...Kd5
- 1.Qb3?
- Keys
- 1.Qf5+!
- 1...Ke3
- 2.Qd3#
- 1...Kd4
- 2.Qe5#
- 1...Kxf5
- 2.Bd3#
- 1...Ke3
- 1.Qf5+!
FEATURES
- Static
- TYPE = CHECKING_KEY
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(D);
- Threat
- QAB1(D)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(D);CHECK
- Vars
- K(a);P-FLIGHT::QAR1(D)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(D);CHECK
- Vars
- K(a);P-FLIGHT::QAR1(D)
- Refutation
- K(a);S_FLIGHT,XQ(D)
- Try
- Q(D);CHECK
- Vars
- K(a);P-FLIGHT::QAB1(D)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(D);
- Threat
- QAB1(D)
- Vars
- K(a);P-FLIGHT::QAR1(D)
- K(a);S_FLIGHT::QAB1(D)
- Refutation
- K(a);P-FLIGHT
- Try
- Q(D);CHECK
- Vars
- K(a);OGATE,S_FLIGHT::QAB1(D)
- Refutation
- P(c);XQ(D)
- Try
- Actual
- Q(D);CHECK
- Vars
- K(a);OGATE,P-FLIGHT::QAR1(D)
- K(a);P-FLIGHT::QAB1(D)
- K(a);S_FLIGHT,XQ(D)::B(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).