MESON Chess Problem Database
Problem Display
PID: 15551 (8/3pR3/2b5/Np1kP3/7R/BnpNnP2/5Q1p/6bK w - - 0 1)
Ahues, Herbert Siegfried Oskar
1st HM., Schach-Aktiv, 1985
#2
9 + 9
SOLUTION
- SOUND
- Sets
- 1...Sd4
- 2.Sf4#
- 1...Sc5
- 2.Sb4#
- 1...Sd1
- 2.Sb4#
- 2.Sf4#
- 1...Sf1
- 2.Sb4#
- 2.Sf4#
- 1...Sc2
- 2.Sf4#
- 1...Sg2
- 2.Sb4#
- 1...Sc4
- 2.Sb4#
- 2.Sf4#
- 1...Sg4
- 2.Sb4#
- 2.Sf4#
- 1...Sf5
- 2.Sb4#
- 2.Sf4#
- 1...Sd4
- Tries
- 1.Rd4+?
- 1...Sxd4
- 2.Sf4#
- 1...Kxd4!
- 1...Sxd4
- 1.Re4?
- threat
- 2.Sf4#
- 1...Sg2
- 2.Sb4#
- 1...b4!
- threat
- 1.Qxe3?
- threat
- 2.Sb4#
- 2.Sf4#
- 2.Qe4#
- 1...Sxa5
- 2.Sb4#
- 2.Rd4#
- 2.Qe4#
- 1...Sd2
- 2.Sb4#
- 2.Sf4#
- 2.Rd4#
- 1...Sd4
- 2.Sf4#
- 2.Rxd4#
- 2.Qe4#
- 1...Sc5
- 2.Sb4#
- 2.Sf4#
- 2.Rd4#
- 1...b4
- 2.Sxb4#
- 2.Sf4#
- 2.Qe4#
- 1...Bxe3!
- threat
- 1.Qg3?
- threat
- 2.Qg8#
- 1...Sd4
- 2.Sf4#
- 1...Sc5
- 2.Sb4#
- 1...Sg4!
- threat
- 1.Rd4+?
- Keys
- 1.Bd6!
- threat
- 2.Sb4#
- 1...Sc2
- 2.Sf4#
- 1...b4
- 2.Sxb4#
- threat
- 1.Bd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- S(c);SBLOCK::S(D)
- S(e);::S(D)
- Tries
- Try
- R(F);CHECK
- Vars
- S(c);SBLOCK,XR(F)::S(D)
- Refutation
- K(g);P-FLIGHT,P_PINP(E),P_SPINS(e),XR(F)
- Try
- R(F);
- Threat
- S(D)
- Vars
- S(e);::S(D)
- Refutation
- P(f);
- Try
- Q(B);XS(e)
- Threat
- DUALS(3)
- Refutation
- B(a);XQ(B)
- Try
- Q(B);
- Threat
- QAB(B)
- Vars
- S(c);SBLOCK::S(D)
- Refutation
- S(e);
- Try
- Actual
- B(C);
- Threat
- S(D)
- Vars
- S(e);::S(D)
- P(f);::S(D),XP(f)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
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