MESON Chess Problem Database
Problem Display
PID: 183332 (K1B4B/2N5/2Q3Np/R1n1n1kp/5p1p/8/6b1/b5R1 w - - 0 1)
Buchwald, Julius
The Problemist, 1943
#2
8 + 9
SOLUTION
- SOUND
- Sets
- 1...Sb3
- 2.Rxg2#
- 2.Qxg2#
- 1...Scd3
- 2.Rxg2#
- 2.Qxg2#
- 1...Sa4
- 2.Rxg2#
- 2.Qxg2#
- 1...Sa6
- 2.Rxg2#
- 2.Qxg2#
- 1...Sb7
- 2.Rxg2#
- 2.Qxg2#
- 2.Qf6#
- 1...Sed3
- 2.Rxg2#
- 2.Qxg2#
- 1...Sf3
- 2.Rxg2#
- 1...Sc4
- 2.Rxg2#
- 2.Qxg2#
- 1...Sxc6
- 2.Rxg2#
- 1...Sxg6
- 2.Rxg2#
- 2.Qxg2#
- 1...Sf7
- 2.Rxg2#
- 2.Qxg2#
- 1...f3
- 2.Qf6#
- 1...Sb3
- Tries
- 1.Rxc5?
- threat
- 2.Rxg2#
- 2.Qxg2#
- 1...f3
- 2.Qf6#
- 1...h3!
- threat
- 1.Rxc5?
- Keys
- 1.Se7!
- threat
- 2.Bf6#
- 1...Sxc6
- 2.Rxg2#
- 1...Se6
- 2.Rxg2#
- 2.Qxg2#
- 1...Scd7
- 2.Rxg2#
- 2.Qxg2#
- 1...Sed7
- 2.Rxg2#
- 2.Qxg2#
- 1...f3
- 2.Qf6#
- 1...Se4
- 2.Qg6#
- 1...Sed3
- 2.Rxg2#
- 2.Qxg2#
- 1...Sf3
- 2.Rxg2#
- 2.Qg6#
- 1...Sc4
- 2.Rxg2#
- 2.Qxg2#
- 1...Sg4
- 2.Se6#
- 1...Sg6
- 2.Rxg2#
- 2.Qxg2#
- 1...Sf7
- 2.Rxg2#
- 2.Qxg2#
- threat
- 1.Se7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- S(f);N_GUARD,N_PINQ(C),P_SPINS(e)::R(A),XB(b)
- S(f);N_GUARD,P_SPINS(e),XQ(C)::R(A),XB(b)
- P(c);N_PINQ(C)::QAB1(C)
- Tries
- Try
- R(B);P_PINS(f),XS(e)
- Threat
- DUALS(2)
- Vars
- P(c);N_PINQ(C)::QAB1(C)
- Refutation
- P(d);
- Try
- Actual
- S(D);
- Threat
- B(H)
- Vars
- S(f);N_GUARD,P_SPINS(e),XQ(C)::R(A),XB(b)
- P(c);N_PINQ(C)::QAB1(C)
- S(e);N_PINQ(C),P_SPINS(f)::QAR1(C)
- S(f);N_SPINB(b),P_SPINS(e),SBLOCK::S(E)
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).