MESON Chess Problem Database
Problem Display
PID: 165144 (4rB2/bqR5/5Pp1/3nn2R/1p1kNp1r/1K1p1B2/7p/4Q3 w - - 0 1)
Szwedowski, Leopold Mieczyslaw
Die Schwalbe, 1970
#2
8 + 12
SOLUTION
- SOUND
- Sets
- 1...Bc5
- 2.Bxc5#
- 1...Bb8
- 2.Bc5#
- 1...Sxf3
- 2.Rc4#
- 1...Sc4
- 2.Rxc4#
- 1...Sg4
- 2.Rc4#
- 1...Sd7
- 2.Rc4#
- 1...Sf7
- 2.Rc4#
- 1...Bc5
- Tries
- 1.Sg3?
- threat
- 2.Qe4#
- 1...Sxf6
- 2.Qf2#
- 1...Sxc7
- 2.Qf2#
- 1...Sxf3
- 2.Rc4#
- 1...Sc3
- 2.Qf2#
- 1...Se3
- 2.Qa1#
- 1...Sb6
- 2.Bc5#
- 2.Qf2#
- 1...Se7
- 2.Qf2#
- 2.Qxe5#
- 1...Sc4
- 2.Rxc4#
- 1...Sg4
- 2.Rc4#
- 1...Sc6
- 2.Rxd5#
- 1...Sd7
- 2.Rc4#
- 1...Sf7
- 2.Rc4#
- 1...fxg3!
- threat
- 1.Sg5?
- threat
- 2.Qe4#
- 1...Sxf6
- 2.Qf2#
- 1...Sxc7
- 2.Qf2#
- 1...Sxf3
- 2.Sxf3#
- 2.Rc4#
- 1...Sc3
- 2.Qf2#
- 1...Se3
- 2.Qa1#
- 1...Sb6
- 2.Bc5#
- 2.Qf2#
- 1...Se7
- 2.Se6#
- 2.Qf2#
- 1...Sc4
- 2.Rxc4#
- 1...Sg4
- 2.Rc4#
- 1...Sd7
- 2.Rc4#
- 1...Sf7
- 2.Rc4#
- 1...Sc6!
- threat
- 1.Sd6?
- threat
- 2.Qe4#
- 1...Qxc7
- 2.Sb5#
- 1...Sxf6
- 2.Qf2#
- 1...Sxc7
- 2.Qf2#
- 1...Sxf3
- 2.Rc4#
- 1...Sc6
- 2.Rxd5#
- 1...Sc3
- 2.Qf2#
- 1...Se3
- 2.Qa1#
- 1...Sb6
- 2.Sb5#
- 2.Qf2#
- 1...Se7
- 2.Qf2#
- 2.Qxe5#
- 1...Sc4
- 2.Rxc4#
- 1...Sg4
- 2.Rc4#
- 1...Sd7
- 2.Rc4#
- 1...Sf7
- 2.Rc4#
- 1...Qc6!
- threat
- 1.Sg3?
- Keys
- 1.Sd2!
- threat
- 2.Qe4#
- 1...Sxf6
- 2.Qf2#
- 1...Sxc7
- 2.Qf2#
- 1...Sxf3
- 2.Sxf3#
- 2.Rc4#
- 1...Sc3
- 2.Qf2#
- 1...Se3
- 2.Qa1#
- 1...Sb6
- 2.Bc5#
- 2.Qf2#
- 1...Se7
- 2.Qf2#
- 2.Qxe5#
- 1...Sc4
- 2.Rxc4#
- 1...Sg4
- 2.Rc4#
- 1...Sc6
- 2.Rxd5#
- 1...Sd7
- 2.Rc4#
- 1...Sf7
- 2.Rc4#
- threat
- 1.Sd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- B(j);N_GUARD::B(H),XB(j)
- B(j);N_GUARD::B(H)
- S(h);N_GUARD,XB(C)::R1(G)
- S(h);N_GUARD::R1(G),XS(h)
- S(h);N_GUARD::R1(G)
- Tries
- Try
- S(D);
- Threat
- QAR1(A)
- Vars
- S(g);N_GUARD,XP(F)::QAB(A)
- S(g);N_GUARD,XR(G)::QAB(A)
- S(h);N_GUARD,XB(C)::R1(G)
- S(g);N_GUARD::QAB(A)
- S(g);N_GUARD,SBLOCK::QAB(A)
- S(h);N_GUARD::R1(G),XS(h)
- S(h);N_GUARD::R1(G)
- S(h);OGATE::R1(E),XS(g)
- Refutation
- P(e);XS(D)
- Try
- S(D);
- Threat
- QAR1(A)
- Vars
- S(g);N_GUARD,XP(F)::QAB(A)
- S(g);N_GUARD,XR(G)::QAB(A)
- S(g);N_GUARD::QAB(A)
- S(g);N_GUARD,SBLOCK::QAB(A)
- S(h);N_GUARD::R1(G),XS(h)
- S(h);N_GUARD::R1(G)
- Refutation
- S(h);
- Try
- S(D);
- Threat
- QAR1(A)
- Vars
- Q(k);N_GUARD,XR(G)::S(D)
- S(g);N_GUARD,XP(F)::QAB(A)
- S(g);N_GUARD,XR(G)::QAB(A)
- S(h);N_GUARD,XB(C)::R1(G)
- S(h);OGATE::R1(E),XS(g)
- S(g);N_GUARD::QAB(A)
- S(g);N_GUARD,SBLOCK::QAB(A)
- S(h);N_GUARD::R1(G),XS(h)
- S(h);N_GUARD::R1(G)
- Refutation
- Q(k);
- Try
- Actual
- S(D);
- Threat
- QAR1(A)
- Vars
- S(g);N_GUARD,XP(F)::QAB(A)
- S(g);N_GUARD,XR(G)::QAB(A)
- S(g);N_GUARD::QAB(A)
- S(g);N_GUARD,SBLOCK::QAB(A)
- S(h);N_GUARD::R1(G),XS(h)
- S(h);N_GUARD::R1(G)
- S(h);OGATE::R1(E),XS(g)
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).