MESON Chess Problem Database
Problem Display
PID: 227053 (3r4/2R4b/6N1/8/3kn1N1/5Q2/B1p3K1/2b5 w - - 0 1)
Kupper, Josef
Schweizerische Schachzeitung, 1963
#2
6 + 6
| 15257 | Kunstwerke auf 64 Feldern (1922-1966) (Ott, Kummer, Schudel) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Rc4#
- 1...Bb2
- 2.Qe3#
- 1...Ba3
- 2.Qe3#
- 1...Be3
- 2.Qxe3#
- 1...Sd2
- 2.Qe3#
- 1...Sf2
- 2.Rc4#
- 1...Sc3
- 2.Rc4#
- 1...Sg3
- 2.Rc4#
- 1...Sg5
- 2.Rc4#
- 1...Sd6
- 2.Qd5#
- 1...Sf6
- 2.Rc4#
- 1...Rd5
- Tries
- 1.Sf4?
- threat
- 2.Se2#
- 2.Se6#
- 2.Rc4#
- 2.Qd3#
- 1...Sc5
- 2.Se2#
- 1...Rd6
- 2.Se2#
- 2.Rc4#
- 2.Qd3#
- 1...Rc8
- 2.Se2#
- 2.Se6#
- 2.Qd3#
- 1...Re8
- 2.Se2#
- 2.Rc4#
- 2.Qd3#
- 1...Be3
- 2.Rc4#
- 2.Qxe3#
- 1...Bf5
- 2.Se2#
- 2.Rc4#
- 2.Qd3#
- 1...Bg8
- 2.Se2#
- 2.Qd3#
- 1...Sd2
- 2.Se2#
- 2.Se6#
- 2.Qe3#
- 1...Sf2
- 2.Se2#
- 2.Se6#
- 2.Rc4#
- 1...Sc3
- 2.Se6#
- 2.Rc4#
- 1...Sg3
- 2.Se6#
- 2.Rc4#
- 1...Sg5
- 2.Se2#
- 2.Rc4#
- 1...Sd6
- 2.Se2#
- 2.Se6#
- 2.Qd5#
- 1...Sf6
- 2.Se2#
- 2.Se6#
- 2.Rc4#
- 1...Bxf4!
- threat
- 1.Se7?
- threat
- 2.Rc4#
- 1...Be3
- 2.Qxe3#
- 1...Sc5
- 2.Sc6#
- 1...Bg8
- 2.Sf5#
- 1...Sd2
- 2.Qe3#
- 1...Sd6
- 2.Qd5#
- 1...Rc8!
- threat
- 1.Rc3?
- threat
- 2.Qd3#
- 1...Be3
- 2.Qxe3#
- 1...Sc5
- 2.Rc4#
- 1...Sf2
- 2.Rc4#
- 1...Sxc3!
- threat
- 1.Qf2+?
- 1...Kd3
- 2.S4e5#
- 2.S6e5#
- 1...Be3
- 2.Qxe3#
- 1...Sxf2!
- 1...Kd3
- 1.Qb3?
- threat
- 2.Qc4#
- 1...Sd2
- 2.Qe3#
- 1...Sd6
- 2.Qd5#
- 1...Bg8!
- threat
- 1.Sf4?
- Keys
- 1.S6e5!
- threat
- 2.Qd3#
- 1...Sc5
- 2.Sc6#
- 1...Be3
- 2.Qxe3#
- 1...Sd2
- 2.Qe3#
- 1...Sf2
- 2.Rc4#
- 1...Sc3
- 2.Rc4#
- 1...Sg3
- 2.Rc4#
- 1...Sg5
- 2.Rc4#
- 1...Sd6
- 2.Qd5#
- 1...Sf6
- 2.Rc4#
- threat
- 1.S6e5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- R(f);SBLOCK::R1(F)
- B(a);N_GUARD::QAB1(C)
- B(a);N_GUARD::QAB1(C),XB(a)
- S(d);S_CUTB(a)::QAB1(C)
- S(d);::R1(F)
- S(d);OGATE::QAR1(C)
- Tries
- Try
- S(E);
- Threat
- DUALS(4)
- Vars
- S(d);::S(E)
- Refutation
- B(a);XS(E)
- Try
- S(E);
- Threat
- R1(F)
- Vars
- B(a);N_GUARD::QAB1(C),XB(a)
- S(d);SBLOCK::S(E)
- B(e);N_GUARD::S(E)
- S(d);S_CUTB(a)::QAB1(C)
- S(d);OGATE::QAR1(C)
- Refutation
- R(f);
- Try
- R(F);
- Threat
- QAR1(C)
- Vars
- B(a);N_GUARD::QAB1(C),XB(a)
- S(d);::R1(F)
- Refutation
- S(d);XR(F)
- Try
- Q(C);CHECK
- Vars
- B(a);N_GUARD,P_SPINB(a)::QAB1(C),XB(a)
- Refutation
- S(d);XQ(C)
- Try
- Q(C);
- Threat
- QAR1(C)
- Vars
- S(d);S_CUTB(a)::QAB1(C)
- S(d);S_CUTR(f)::QAR1(C)
- Refutation
- B(e);
- Try
- Actual
- S(E);
- Threat
- QAR1(C)
- Vars
- S(d);SBLOCK::S(E)
- B(a);N_GUARD::QAB1(C),XB(a)
- S(d);S_CUTB(a)::QAB1(C)
- S(d);::R1(F)
- S(d);OGATE::QAR1(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).