MESON Chess Problem Database
Problem Display
PID: 82303 (2r2B2/4q3/1n2B1p1/Q3P3/p2kNP2/2N2p1R/1nK5/4R2b w - - 0 1)
Ahues, Herbert Siegfried Oskar
Sinfonie Scacchistiche, 1988
#2
10 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxc3+
- 2.Qxc3#
- 1...Ra8
- 2.Sb5#
- 1...Rb8
- 2.Sb5#
- 1...Rd8
- 2.Sb5#
- 1...Re8
- 2.Sb5#
- 1...Rxf8
- 2.Sb5#
- 1...S2c4
- 2.Sb5#
- 1...S6c4
- 2.Sb5#
- 2.Qd5#
- 1...Sd5
- 2.Qxd5#
- 1...Sd7
- 2.Qd5#
- 1...Sa8
- 2.Qd5#
- 1...Rxc3+
- Tries
- 1.Sf2?
- threat
- 2.Re4#
- 1...Rxc3+
- 2.Qxc3#
- 1...Qb7!
- threat
- 1.Sg3?
- threat
- 2.Re4#
- 1...Rxc3+
- 2.Qxc3#
- 1...f2
- 2.Se2#
- 1...Qb7!
- threat
- 1.Sd6?
- threat
- 2.Re4#
- 1...Rxc3+
- 2.Qxc3#
- 1...Qb7
- 2.Sb5#
- 1...f2!
- threat
- 1.Sf2?
- Keys
- 1.Sc5!
- threat
- 2.Re4#
- 1...Qb7
- 2.Sb5#
- 1...f2
- 2.Se2#
- threat
- 1.Sc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 10
- Sets
- R(i);CHECK,OGATE,XS(C)::QAB1(G),XR(i)
- R(i);N_PINS(C)::S(C)
- R(i);N_PINS(C),XB(J)::S(C)
- S(b);N_PINS(C)::S(C)
- S(f);N_GUARD::QAR1(G),XS(f)
- S(f);N_GUARD::QAR1(G)
- Tries
- Try
- S(E);
- Threat
- R1(A)
- Vars
- R(i);CHECK,OGATE,XS(C)::QAB1(G),XR(i)
- Refutation
- Q(h);
- Try
- S(E);
- Threat
- R1(A)
- Vars
- R(i);CHECK,OGATE,XS(C)::QAB1(G),XR(i)
- P(c);N_GUARD::S(E)
- Refutation
- Q(h);
- Try
- S(E);
- Threat
- R1(A)
- Vars
- R(i);CHECK,OGATE,XS(C)::QAB1(G),XR(i)
- Q(h);::S(E)
- Refutation
- P(c);
- Try
- Actual
- S(E);N_SPINS(C)
- Threat
- R1(A)
- Vars
- Q(h);::S(C)
- P(c);N_GUARD::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).