MESON Chess Problem Database
Problem Display
PID: 268516 (r3R3/1Q6/1p2PP1R/qr1NkN1n/np4P1/2p1K1p1/8/8 w - - 0 1)
Ahues, Herbert Siegfried Oskar
The Problemist, 1956
#2
9 + 10
SOLUTION
- SOUND
- Tries
- 1.Sf4?
- threat
- 2.Sd3#
- 2.Qe4#
- 2.Qc7#
- 1...Rxe8
- 2.Qe4#
- 2.Qc7#
- 1...Sxf4
- 2.Qe4#
- 1...Sxf6
- 2.Sd3#
- 2.Sg6#
- 2.Qc7#
- 1...Qa7
- 2.Sd3#
- 2.Qe4#
- 1...Rc5
- 2.Sd3#
- 2.Qe4#
- 1...Ra7
- 2.Sd3#
- 2.Qe4#
- 1...Rc8
- 2.Sd3#
- 2.Qe4#
- 1...Rd8
- 2.Qe4#
- 1...Sb2
- 2.Qe4#
- 2.Qc7#
- 1...Sc5
- 2.Qd5#
- 2.Qc7#
- 1...Rd5!
- threat
- 1.Sxb6?
- threat
- 2.Sc4#
- 2.Sd7#
- 2.Qe4#
- 2.Qc7#
- 1...Rxb6
- 2.Qe4#
- 1...Rxe8
- 2.Qe4#
- 1...Sxb6
- 2.Qe4#
- 1...Sxf6
- 2.Sc4#
- 2.Qc7#
- 1...Rd5
- 2.Sc4#
- 1...Qa7
- 2.Qe4#
- 1...Rc5
- 2.Sd7#
- 2.Qe4#
- 1...Ra7
- 2.Sc4#
- 2.Sd7#
- 2.Qe4#
- 1...Rc8
- 2.Sd7#
- 2.Qe4#
- 1...Rd8
- 2.Sc4#
- 2.Qe4#
- 1...Sb2
- 2.Sd7#
- 2.Qe4#
- 2.Qc7#
- 1...Sc5
- 2.Sc4#
- 2.Qd5#
- 2.Qc7#
- 1...Qxb6+!
- threat
- 1.Sf4?
- Keys
- 1.Sde7!
- threat
- 2.Qe4#
- 1...Kxe6
- 2.Sc8#
- 1...Sxf6
- 2.Sg6#
- 1...Rd5
- 2.Sc6#
- 1...Sc5
- 2.Qd5#
- threat
- 1.Sde7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- S(h);XS(C)::QAR1(H)
- R(j);::QAR1(H)
- Refutation
- R(f);
- Try
- S(C);XP(i)
- Threat
- DUALS(4)
- Vars
- R(f);XS(C)::QAR1(H)
- R(j);XR(I)::QAR1(H)
- S(c);XS(C)::QAR1(H)
- R(f);::S(C)
- Q(e);P_PINS(C)::QAR1(H)
- Refutation
- Q(e);CHECK,XS(C)
- Try
- Actual
- S(C);
- Threat
- QAR1(H)
- Vars
- K(g);P-FLIGHT,XP(E)::R(I)+S(C)
- S(h);SBLOCK,XP(F)::S(C)
- R(f);SBLOCK::S(C)
- S(c);S_CUTR(f)::QAR1(H)
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).