MESON Chess Problem Database
Problem Display
PID: 95259 (5r2/pQ5N/R4bk1/3B1p2/2N4R/3n3P/8/1K6 w - - 0 1)
Zepler, Erich Ernest
Deutsches Wochenschach, 1916
#2
8 + 6
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rf7
- 2.Qxf7#
- 1...Ra8
- 2.Rxf6#
- 2.Qf7#
- 1...Rb8
- 2.Rxf6#
- 1...Rc8
- 2.Rxf6#
- 2.Qf7#
- 1...Rd8
- 2.Rxf6#
- 2.Qf7#
- 1...Re8
- 2.Rxf6#
- 2.Qf7#
- 1...Rg8
- 2.Rxf6#
- 2.Qf7#
- 1...Rh8
- 2.Rxf6#
- 2.Qf7#
- 1...Sc1
- 2.Se5#
- 1...Se1
- 2.Se5#
- 1...Sb2
- 2.Se5#
- 1...Sf2
- 2.Se5#
- 1...Sb4
- 2.Se5#
- 1...Sf4
- 2.Se5#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...f4
- 2.Be4#
- 1...Rf7
- Tries
- 1.Bg2?
- 1...f4
- 2.Be4#
- 1...Sc1
- 2.Se5#
- 1...Ra8
- 2.Rxf6#
- 1...Rb8
- 2.Rxf6#
- 1...Rc8
- 2.Rxf6#
- 1...Rd8
- 2.Rxf6#
- 1...Re8
- 2.Rxf6#
- 1...Rg8
- 2.Rxf6#
- 1...Rh8
- 2.Rxf6#
- 1...Se1
- 2.Se5#
- 1...Sb2
- 2.Se5#
- 1...Sf2
- 2.Se5#
- 1...Sb4
- 2.Se5#
- 1...Sf4
- 2.Se5#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Rf7!
- 1...f4
- 1.Bf3?
- 1...f4
- 2.Be4#
- 1...Sc1
- 2.Se5#
- 1...Ra8
- 2.Rxf6#
- 1...Rb8
- 2.Rxf6#
- 1...Rc8
- 2.Rxf6#
- 1...Rd8
- 2.Rxf6#
- 1...Re8
- 2.Rxf6#
- 1...Rg8
- 2.Rxf6#
- 1...Rh8
- 2.Rxf6#
- 1...Se1
- 2.Se5#
- 1...Sb2
- 2.Se5#
- 1...Sf2
- 2.Se5#
- 1...Sb4
- 2.Se5#
- 1...Sf4
- 2.Se5#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Rf7!
- 1...f4
- 1.Bf7+?
- 1...Rxf7
- 2.Qg2#
- 1...Kg7!
- 1...Rxf7
- 1.Bg8?
- threat
- 2.Qg2#
- 1...Rxg8
- 2.Rxf6#
- 1...Rb8
- 2.Rxf6#
- 1...Se1
- 2.Se5#
- 1...Sf2
- 2.Se5#
- 1...Sf4
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...f4!
- threat
- 1.Qxa7?
- threat
- 2.Qg1#
- 1...f4
- 2.Be4#
- 1...Se1
- 2.Se5#
- 1...Sf2
- 2.Se5#
- 1...Sf4
- 2.Se5#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Rb8+!
- threat
- 1.Qc7?
- threat
- 2.Qg3#
- 1...f4
- 2.Be4#
- 1...Sf2
- 2.Se5#
- 1...Sf4
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Rb8+!
- threat
- 1.Qd7?
- 1...Rf7
- 2.Qxf7#
- 1...Sc1
- 2.Se5#
- 1...Ra8
- 2.Rxf6#
- 2.Qf7#
- 1...Rc8
- 2.Rxf6#
- 2.Qf7#
- 1...Rd8
- 2.Rxf6#
- 2.Qf7#
- 1...Re8
- 2.Rxf6#
- 2.Qf7#
- 1...Rg8
- 2.Rxf6#
- 2.Qf7#
- 1...Rh8
- 2.Rxf6#
- 2.Qf7#
- 1...Se1
- 2.Se5#
- 1...Sb2
- 2.Se5#
- 1...Sf2
- 2.Se5#
- 1...Sb4
- 2.Se5#
- 1...Sf4
- 2.Se5#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...f4
- 2.Be4#
- 2.Qg4#
- 1...Rb8+!
- 1...Rf7
- 1.Qe7?
- 1...Rf7
- 2.Qxf7#
- 1...f4
- 2.Be4#
- 1...Sc1
- 2.Se5#
- 1...Ra8
- 2.Rxf6#
- 2.Qxf6#
- 2.Qf7#
- 1...Rc8
- 2.Rxf6#
- 2.Qxf6#
- 2.Qf7#
- 1...Rd8
- 2.Rxf6#
- 2.Qxf6#
- 2.Qf7#
- 1...Re8
- 2.Rxf6#
- 2.Qxf6#
- 2.Qf7#
- 1...Rg8
- 2.Rxf6#
- 2.Qxf6#
- 2.Qf7#
- 1...Rh8
- 2.Rxf6#
- 2.Qxf6#
- 2.Qf7#
- 1...Se1
- 2.Se5#
- 1...Sb2
- 2.Se5#
- 1...Sf2
- 2.Se5#
- 1...Sb4
- 2.Se5#
- 1...Sf4
- 2.Se5#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Rb8+!
- 1...Rf7
- 1.Bg2?
- Keys
- 1.Bh1!
- 1...Rf7
- 2.Qg2#
- 1...f4
- 2.Be4#
- 1...Sc1
- 2.Se5#
- 1...Ra8
- 2.Rxf6#
- 1...Rb8
- 2.Rxf6#
- 1...Rc8
- 2.Rxf6#
- 1...Rd8
- 2.Rxf6#
- 1...Re8
- 2.Rxf6#
- 1...Rg8
- 2.Rxf6#
- 1...Rh8
- 2.Rxf6#
- 1...Se1
- 2.Se5#
- 1...Sb2
- 2.Se5#
- 1...Sf2
- 2.Se5#
- 1...Sb4
- 2.Se5#
- 1...Sf4
- 2.Se5#
- 1...Sc5
- 2.Se5#
- 1...Se5
- 2.Sxe5#
- 1...Rf7
- 1.Bh1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- R(f);N_GUARD::QAB1(G),XR(f)
- R(f);N_GUARD,P_PINQ(G)::R1(F),XB(c)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- P(b);OGATEB::B(E)
- Tries
- Try
- B(E);
- Vars
- P(b);OGATEB::B(E)
- S(a);N_GUARD::S(C)
- R(f);N_GUARD::R1(F),XB(c)
- R(f);N_GUARD,P_PINQ(G)::R1(F),XB(c)
- S(a);N_GUARD::S(C),XS(a)
- Refutation
- R(f);
- Try
- B(E);
- Vars
- P(b);OGATEB::B(E)
- S(a);N_GUARD::S(C)
- R(f);N_GUARD::R1(F),XB(c)
- R(f);N_GUARD,P_PINQ(G)::R1(F),XB(c)
- S(a);N_GUARD::S(C),XS(a)
- Refutation
- R(f);
- Try
- B(E);CHECK
- Vars
- R(f);SBLOCK,XB(E)::QAR(G)
- Refutation
- K(d);N_SPINB(c),P-FLIGHT
- Try
- B(E);
- Threat
- QAR(G)
- Vars
- R(f);N_GUARD,XB(E)::R1(F),XB(c)
- R(f);N_GUARD,P_PINQ(G)::R1(F),XB(c)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- Refutation
- P(b);
- Try
- Q(G);XP(e)
- Threat
- QAR(G)
- Vars
- P(b);OGATEB::B(E)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- Refutation
- R(f);CHECK
- Try
- Q(G);
- Threat
- QAR(G)
- Vars
- P(b);OGATEB::B(E)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- Refutation
- R(f);CHECK
- Try
- Q(G);
- Vars
- R(f);N_GUARD::QAB1(G),XR(f)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- Refutation
- R(f);CHECK
- Try
- Q(G);
- Vars
- R(f);N_GUARD::QAB1(G),XR(f)
- P(b);OGATEB::B(E)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- Refutation
- R(f);CHECK
- Try
- Actual
- B(E);
- Vars
- R(f);SBLOCK::QAR(G)
- P(b);OGATEB::B(E)
- S(a);N_GUARD::S(C)
- R(f);N_GUARD::R1(F),XB(c)
- R(f);N_GUARD,P_PINQ(G)::R1(F),XB(c)
- S(a);N_GUARD::S(C),XS(a)
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).