MESON Chess Problem Database
Problem Display
PID: 85685 (8/8/6Q1/8/5N2/2N3n1/2K2p2/4k3 w - - 0 1)
Speckmann, Werner
Die Schwalbe, 1989
#2
4 + 3
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sf1
- 2.Sg2#
- 2.Sd3#
- 1...f1S
- 2.Sd3#
- 1...f1B
- 2.Qxg3#
- 1...f1R
- 2.Sd3#
- 1...Sf1
- Tries
- 1.Qd3?
- threat
- 2.Sg2#
- 2.Qd1#
- 1...Se2
- 2.Qxe2#
- 2.Qd1#
- 1...f1Q
- 2.Qd2#
- 1...f1B
- 2.Qd2#
- 2.Qxg3#
- 1...f1R
- 2.Qd2#
- 1...f1S!
- threat
- 1.Qg4?
- threat
- 2.Qd1#
- 1...Kf1
- 2.Qd1#
- 1...f1S
- 2.Sd3#
- 1...f1B
- 2.Qxg3#
- 1...f1R
- 2.Sd3#
- 1...Se2
- 2.Qxe2#
- 1...f1Q!
- threat
- 1.Qd3?
- Keys
- 1.Qd6!
- threat
- 2.Qd1#
- 1...Kf1
- 2.Qd1#
- 1...f1Q
- 2.Qd2#
- 1...f1S
- 2.Sd3#
- 1...f1B
- 2.Qd2#
- 1...f1R
- 2.Sd3#
- 2.Qd2#
- threat
- 1.Qd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- P(b);SBLOCK::S(C)
- P(b);OGATEB,SBLOCK::QAB(D),XS(c)
- Tries
- Try
- Q(D);
- Threat
- DUALS(2)
- Vars
- P(b);SBLOCK::QAB1(D)
- Refutation
- P(b);
- Try
- Q(D);
- Threat
- QAR1(D)
- Vars
- K(a);P-FLIGHT::QAR2(D)
- P(b);SBLOCK::S(C)
- P(b);OGATEB,SBLOCK::QAB(D),XS(c)
- S(c);N_GUARD::QAR1(D),XS(c)
- Refutation
- P(b);
- Try
- Actual
- Q(D);
- Threat
- QAR1(D)
- Vars
- K(a);P-FLIGHT::QAR2(D)
- P(b);SBLOCK::QAB1(D)
- P(b);SBLOCK::S(C)
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).