MESON Chess Problem Database
Problem Display
PID: 232403 (5b2/4pK2/8/5k2/8/Q3B3/4B3/8 w - - 0 1)
Speckmann, Werner
Deutsche Schachzeitung, 1986
#2
4 + 3
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Tries
- 1.Bd3+?
- 1...Ke5
- 2.Qc5#
- 1...Kg4!
- 1...Ke5
- 1.Qd6?
- threat
- 2.Qf4#
- 2.Qe6#
- 1...Ke4
- 2.Qe6#
- 1...Bh6
- 2.Qe6#
- 1...e5
- 2.Qg6#
- 1...e6
- 2.Qf4#
- 2.Qxe6#
- 1...exd6!
- threat
- 1.Qa2?
- threat
- 2.Qe6#
- 1...Ke4
- 2.Qe6#
- 1...Ke5
- 2.Qe6#
- 1...e6
- 2.Qxe6#
- 1...e5!
- threat
- 1.Qb3?
- threat
- 2.Qe6#
- 1...Ke4
- 2.Qe6#
- 1...Ke5
- 2.Qe6#
- 1...e6
- 2.Qxe6#
- 1...e5!
- threat
- 1.Bd3+?
- Keys
- 1.Qa6!
- threat
- 2.Qe6#
- 1...Ke4
- 2.Qe6#
- 1...Ke5
- 2.Qe6#
- 1...e5
- 2.Qg6#
- 1...e6
- 2.Qxe6#
- threat
- 1.Qa6!
This is a version of 85714
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- B(A);CHECK
- Vars
- K(a);P-FLIGHT::QAR2(B)
- Refutation
- K(a);S_FLIGHT
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- K(a);S_FLIGHT::QAR2(B)
- B(c);::QAB1(B)
- P(b);SBLOCK::QAB1(B)
- Refutation
- P(b);XQ(B)
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- K(a);S_FLIGHT::QAR2(B)
- K(a);P-FLIGHT::QAR1(B)
- P(b);::QAB1(B),XP(b)
- Refutation
- P(b);
- Try
- Q(B);
- Threat
- QAB1(B)
- Vars
- K(a);S_FLIGHT::QAR2(B)
- K(a);P-FLIGHT::QAR1(B)
- P(b);::QAB1(B),XP(b)
- Refutation
- P(b);
- Try
- Actual
- Q(B);
- Threat
- QAB1(B)
- Vars
- K(a);S_FLIGHT::QAR2(B)
- K(a);P-FLIGHT::QAR1(B)
- P(b);SBLOCK::QAB1(B)
- P(b);::QAB1(B),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).