MESON Chess Problem Database
Problem Display
PID: 236524 (1K2nB2/3B1p2/p5N1/4Q3/2kpP3/1R6/2P2b1q/3n4 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Rochade Europa, 2014
#2
8 + 8
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Qc5#
- 2.Qd5#
- 1...Qxe5+
- 2.Sxe5#
- 1...Qh1
- 2.Qc5#
- 2.Qd5#
- 1...Qg2
- 2.Qc5#
- 2.Qd5#
- 1...Qh3
- 2.Qc5#
- 2.Qd5#
- 1...Qh4
- 2.Qc5#
- 2.Qd5#
- 1...Qh6
- 2.Qc5#
- 2.Qd5#
- 1...Qh7
- 2.Qc5#
- 2.Qd5#
- 1...Qh8
- 2.Qc5#
- 2.Qd5#
- 1...Sc3
- 2.Rb4#
- 1...Sd6
- 2.Qd5#
- 1...Sc7
- 2.Qc5#
- 1...d3
- 2.Rb4#
- 1...a5
- 2.Bb5#
- 1...fxg6
- 2.Be6#
- 1...f5
- 2.Be6#
- 1...f6
- 2.Be6#
- 1...Qg1
- Tries
- 1.Bd6?
- threat
- 2.Qc5#
- 2.Qd5#
- 1...Qxe5
- 2.Sxe5#
- 1...Sxd6
- 2.Qd5#
- 1...Sc3
- 2.Rb4#
- 2.Qc5#
- 1...Se3
- 2.Qc5#
- 1...Sf6
- 2.Qc5#
- 1...Sc7
- 2.Qc5#
- 1...d3
- 2.Rb4#
- 2.Qd5#
- 1...Qh5!
- threat
- 1.Bd6?
- Keys
- 1.Bc8!
- threat
- 2.Bxa6#
- 1...Qxe5+
- 2.Sxe5#
- 1...Sc3
- 2.Rb4#
- 1...Sd6
- 2.Qd5#
- 1...Sc7
- 2.Qc5#
- 1...a5
- 2.Ba6#
- threat
- 1.Bc8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- Q(c);CHECK,XQ(D)::S(E),XQ(c)
- S(a);SBLOCK::R1(B)
- S(h);N_PINQ(D)::QAB1(D)
- S(h);N_PINQ(D)::QAR1(D)
- P(e);::R1(B)
- P(f);N_GUARD::B(F)
- P(g);N_GUARD,XS(E)::B(F)
- P(g);N_GUARD::B(F)
- Tries
- Try
- B(H);N_SPINQ(D)
- Threat
- DUALS(2)
- Vars
- Q(c);P_PINB(H),XQ(D)::S(E),XQ(c)
- S(h);XB(H)::QAB1(D)
- S(a);::QAR1(D)
- S(h);::QAR1(D)
- Refutation
- Q(c);
- Try
- Actual
- B(F);
- Threat
- B(F),XP(f)
- Vars
- Q(c);CHECK,XQ(D)::S(E),XQ(c)
- S(a);SBLOCK::R1(B)
- S(h);N_PINQ(D)::QAB1(D)
- S(h);N_PINQ(D)::QAR1(D)
- P(f);::B(F)
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).