MESON Chess Problem Database
Problem Display
PID: 198660 (8/3pBpp1/8/p3k1p1/6P1/1QP2P2/1K6/8 w - - 0 1)
Moller, Ferdinand Friedrich
Deutsche Tageszeitung, 1921
#2
6 + 6
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Tries
- 1.Qc2?
- threat
- 2.Qe4#
- 2.Qf5#
- 1...Kd5
- 2.Qe4#
- 1...Ke6
- 2.Qe4#
- 1...d5
- 2.Qf5#
- 1...f5
- 2.Qxf5#
- 1...g6
- 2.Qe4#
- 1...Kf4!
- threat
- 1.Qb4?
- threat
- 2.Qd6#
- 2.Qe4#
- 1...Kd5
- 2.Qe4#
- 1...Ke6
- 2.Qd6#
- 2.Qe4#
- 1...d5
- 2.Qd6#
- 1...d6
- 2.Qxd6#
- 2.Qe4#
- 1...f5
- 2.Qd6#
- 1...axb4!
- threat
- 1.Qb8+?
- 1...Ke6
- 2.Qd6#
- 1...d6
- 2.Qxd6#
- 1...Kd5!
- 1...Ke6
- 1.Qc2?
- Keys
- 1.c4!
- threat
- 2.Qe3#
- 1...Kd4
- 2.Qc3#
- 1...Kf4
- 2.Bd6#
- 1...Ke6
- 2.Qe3#
- threat
- 1.c4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- Tries
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT::QAB1(B)
- K(b);P-FLIGHT::QAR2(B)
- P(d);SBLOCK::QAR1(B)
- P(e);::QAR1(B),XP(e)
- P(f);::QAR1(B)
- Refutation
- K(b);S_FLIGHT
- Try
- Q(B);
- Threat
- DUALS(2)
- Vars
- K(b);P-FLIGHT::QAB1(B)
- P(d);::QAB1(B)
- P(e);::QAB1(B)
- Refutation
- P(a);XQ(B)
- Try
- Q(B);CHECK
- Vars
- K(b);P-FLIGHT::QAR1(B)
- P(d);P_SPINP(d)::QAB1(B),XP(d)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- P(C);
- Threat
- QAR2(B)
- Vars
- K(b);S_FLIGHT::QAB1(B)
- K(b);S_FLIGHT::B(F)
- K(b);P-FLIGHT::QAR(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).