MESON Chess Problem Database
Problem Display
PID: 226981 (N3Qb2/n1R5/1p1k1r2/8/4P1B1/6N1/5B2/6K1 w - - 0 1)
Benninger, Max
3rd Prize, Swiss Championship, 1961
#2
8 + 5
| 15257 | Kunstwerke auf 64 Feldern (1922-1966) (Ott, Kummer, Schudel) | 1968 |
SOLUTION
- SOUND
- Sets
- 1...Rxf2
- 2.Qe6#
- 1...Rf3
- 2.Qe6#
- 1...Rf4
- 2.Qe6#
- 1...Rf5
- 2.Sxf5#
- 1...Re6
- 2.Qxe6#
- 1...Rg6
- 2.Sf5#
- 1...Rh6
- 2.Sf5#
- 1...Rf7
- 2.Qe6#
- 1...Bh6
- 2.Qe7#
- 1...Be7
- 2.Qxe7#
- 1...Bg7
- 2.Qe7#
- 1...Sb5
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 2.Rd7#
- 1...Sc8
- 2.Rc6#
- 1...b5
- 2.Bc5#
- 1...Rxf2
- Tries
- 1.Kh1?
- 1...Rxf2
- 2.Qe6#
- 1...Re6
- 2.Qxe6#
- 1...Be7
- 2.Qxe7#
- 1...Rf3
- 2.Qe6#
- 1...Rf4
- 2.Qe6#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 1...Rf7
- 2.Qe6#
- 1...Bh6
- 2.Qe7#
- 1...Bg7
- 2.Qe7#
- 1...Sb5
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 2.Rd7#
- 1...Sc8
- 2.Rc6#
- 1...b5
- 2.Bc5#
- 1...Rh6+!
- 1...Rxf2
- 1.Kg2?
- 1...Re6
- 2.Qxe6#
- 1...Be7
- 2.Qxe7#
- 1...Rf3
- 2.Qe6#
- 1...Rf4
- 2.Qe6#
- 1...Rf5
- 2.Sxf5#
- 1...Rg6
- 2.Sf5#
- 1...Rh6
- 2.Sf5#
- 1...Rf7
- 2.Qe6#
- 1...Bh6
- 2.Qe7#
- 1...Bg7
- 2.Qe7#
- 1...Sb5
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 2.Rd7#
- 1...Sc8
- 2.Rc6#
- 1...b5
- 2.Bc5#
- 1...Rxf2+!
- 1...Re6
- 1.Sf1?
- 1...Rxf2
- 2.Qe6#
- 1...Re6
- 2.Qxe6#
- 1...Be7
- 2.Qxe7#
- 1...Rf3
- 2.Qe6#
- 1...Rf4
- 2.Qe6#
- 1...Rg6
- 2.Bg3#
- 1...Rh6
- 2.Bg3#
- 1...Rf7
- 2.Qe6#
- 1...Bh6
- 2.Qe7#
- 1...Bg7
- 2.Qe7#
- 1...Sb5
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 2.Rd7#
- 1...Sc8
- 2.Rc6#
- 1...b5
- 2.Bc5#
- 1...Rf5!
- 1...Rxf2
- 1.Sh1?
- 1...Rxf2
- 2.Qe6#
- 1...Re6
- 2.Qxe6#
- 1...Be7
- 2.Qxe7#
- 1...Rf3
- 2.Qe6#
- 1...Rf4
- 2.Qe6#
- 1...Rg6
- 2.Bg3#
- 1...Rh6
- 2.Bg3#
- 1...Rf7
- 2.Qe6#
- 1...Bh6
- 2.Qe7#
- 1...Bg7
- 2.Qe7#
- 1...Sb5
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 2.Rd7#
- 1...Sc8
- 2.Rc6#
- 1...b5
- 2.Bc5#
- 1...Rf5!
- 1...Rxf2
- 1.Se2?
- 1...Rxf2
- 2.Qe6#
- 1...Re6
- 2.Qxe6#
- 1...Be7
- 2.Qxe7#
- 1...Rf3
- 2.Qe6#
- 1...Rf4
- 2.Qe6#
- 1...Rg6
- 2.Bg3#
- 1...Rh6
- 2.Bg3#
- 1...Rf7
- 2.Qe6#
- 1...Bh6
- 2.Qe7#
- 1...Bg7
- 2.Qe7#
- 1...Sb5
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 2.Rd7#
- 1...Sc8
- 2.Rc6#
- 1...b5
- 2.Bc5#
- 1...Rf5!
- 1...Rxf2
- 1.Sh5?
- 1...Rxf2
- 2.Qe6#
- 1...Re6
- 2.Qxe6#
- 1...Be7
- 2.Qxe7#
- 1...Rf3
- 2.Qe6#
- 1...Rf4
- 2.Qe6#
- 1...Rg6
- 2.Bg3#
- 1...Rh6
- 2.Bg3#
- 1...Rf7
- 2.Qe6#
- 1...Bh6
- 2.Qe7#
- 1...Bg7
- 2.Qe7#
- 1...Sb5
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 2.Rd7#
- 1...Sc8
- 2.Rc6#
- 1...b5
- 2.Bc5#
- 1...Rf5!
- 1...Rxf2
- 1.Be1?
- threat
- 2.Bb4#
- 1...Re6
- 2.Qxe6#
- 1...Be7
- 2.Qxe7#
- 1...Sc6
- 2.Rxc6#
- 1...Rf5
- 2.Sxf5#
- 1...Rf1+!
- threat
- 1.Be3?
- 1...Re6
- 2.Qxe6#
- 1...Be7
- 2.Qxe7#
- 1...Rf5
- 2.Sxf5#
- 1...Rf2
- 2.Qe6#
- 1...Rf3
- 2.Qe6#
- 1...Rf4
- 2.Bxf4#
- 2.Qe6#
- 1...Rg6
- 2.Sf5#
- 2.Bf4#
- 1...Rh6
- 2.Sf5#
- 2.Bf4#
- 1...Rf7
- 2.Qe6#
- 1...Bh6
- 2.Qe7#
- 1...Bg7
- 2.Qe7#
- 1...Sb5
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 2.Rd7#
- 1...Sc8
- 2.Rc6#
- 1...b5
- 2.Bc5#
- 1...Rf1+!
- 1...Re6
- 1.Bd4?
- threat
- 2.Be5#
- 2.Qd7#
- 2.Qe5#
- 2.Qd8#
- 1...Rf5
- 2.Sxf5#
- 2.Qd7#
- 1...Re6
- 2.Sf5#
- 2.Qd7#
- 2.Qxe6#
- 2.Qd8#
- 1...Rf7
- 2.Be5#
- 2.Qe5#
- 2.Qe6#
- 1...Be7
- 2.Qd7#
- 2.Qxe7#
- 1...Sc6
- 2.Rxc6#
- 2.Rd7#
- 2.Qxc6#
- 2.Qd7#
- 1...Rf1+!
- threat
- 1.Bxb6?
- threat
- 2.Bc5#
- 1...Re6
- 2.Qxe6#
- 1...Be7
- 2.Qxe7#
- 1...Rf5
- 2.Sxf5#
- 1...Sc6
- 2.Rxc6#
- 2.Rd7#
- 1...Rf1+!
- threat
- 1.Bh3?
- 1...Rxf2
- 2.Qe6#
- 1...Re6
- 2.Qxe6#
- 1...Be7
- 2.Qxe7#
- 1...Rf5
- 2.Sxf5#
- 1...Rf3
- 2.Qe6#
- 1...Rf4
- 2.Qe6#
- 1...Rh6
- 2.Sf5#
- 1...Rf7
- 2.Qe6#
- 1...Bh6
- 2.Qe7#
- 1...Bg7
- 2.Qe7#
- 1...Sb5
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 2.Rd7#
- 1...Sc8
- 2.Rc6#
- 1...b5
- 2.Bc5#
- 1...Rg6!
- 1...Rxf2
- 1.Bc8?
- 1...Rxf2
- 2.Qe6#
- 1...Sxc8
- 2.Rc6#
- 1...Re6
- 2.Qxe6#
- 1...Be7
- 2.Qxe7#
- 1...Rf5
- 2.Sxf5#
- 2.Qe6#
- 1...Rf3
- 2.Qe6#
- 1...Rf4
- 2.Qe6#
- 1...Rh6
- 2.Sf5#
- 1...Rf7
- 2.Qe6#
- 1...Bh6
- 2.Qe7#
- 1...Bg7
- 2.Qe7#
- 1...Sb5
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 2.Rd7#
- 1...b5
- 2.Bc5#
- 1...Rg6!
- 1...Rxf2
- 1.Rc1?
- threat
- 2.Rd1#
- 1...Rxf2
- 2.Qe6#
- 1...Re6
- 2.Qxe6#
- 1...Be7
- 2.Qb8#
- 1...Rf5
- 2.Sxf5#
- 1...Rf3
- 2.Qe6#
- 1...Sb5
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 1...Bh6!
- threat
- 1.Rc2?
- threat
- 2.Rd2#
- 1...Rxf2
- 2.Qe6#
- 1...Re6
- 2.Qxe6#
- 1...Be7
- 2.Qb8#
- 1...Rf5
- 2.Sxf5#
- 1...Rf3
- 2.Qe6#
- 1...Sb5
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- 1...Bh6!
- threat
- 1.Rc5?
- threat
- 2.Rd5#
- 2.Qd7#
- 2.Qe5#
- 2.Qd8#
- 2.e5#
- 1...Rxf2
- 2.Rd5#
- 2.Qe5#
- 1...Rf5
- 2.Sxf5#
- 1...Re6
- 2.Sf5#
- 2.Rd5#
- 2.Qxe6#
- 2.Qd8#
- 1...Rf7
- 2.Rd5#
- 2.Qe5#
- 2.Qe6#
- 2.e5#
- 1...Be7
- 2.Rd5#
- 2.Qd7#
- 2.Qb8#
- 2.e5#
- 1...Sc6
- 2.Rd5#
- 2.Rxc6#
- 2.Qd7#
- 1...bxc5!
- threat
- 1.Kh1?
- Keys
- 1.Rc3!
- threat
- 2.Rd3#
- 1...Rxf2
- 2.Qe6#
- 1...Re6
- 2.Qxe6#
- 1...Be7
- 2.Qb8#
- 1...Rf5
- 2.Sxf5#
- 1...Rf3
- 2.Qe6#
- 1...Sb5
- 2.Rc6#
- 1...Sc6
- 2.Rxc6#
- threat
- 1.Rc3!
FEATURES
- Static
- TYPE = BLOCK_THREAT
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 8
- Sets
- R(c);N_GUARD,XB(B)::QAR1(H)
- R(c);N_GUARD::QAR1(H)
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::QAR1(H),XR(c)
- R(c);N_GUARD::S(C)
- B(e);N_GUARD::QAB1(H)
- B(e);N_GUARD::QAB1(H),XB(e)
- S(d);N_GUARD::R1(F)
- P(a);N_GUARD::B(B)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- R(c);N_GUARD,XB(B)::QAR1(H)
- R(c);N_GUARD::QAR1(H),XR(c)
- B(e);N_GUARD::QAB1(H),XB(e)
- R(c);N_GUARD::QAR1(H)
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::S(C)
- B(e);N_GUARD::QAB1(H)
- S(d);N_GUARD::R1(F)
- P(a);N_GUARD::B(B)
- Refutation
- R(c);CHECK
- Try
- K(A);P-FLIGHT
- Vars
- R(c);N_GUARD::QAR1(H),XR(c)
- B(e);N_GUARD::QAB1(H),XB(e)
- R(c);N_GUARD::QAR1(H)
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::S(C)
- B(e);N_GUARD::QAB1(H)
- S(d);N_GUARD::R1(F)
- P(a);N_GUARD::B(B)
- Refutation
- R(c);CHECK,XB(B)
- Try
- S(C);
- Vars
- R(c);N_GUARD,XB(B)::QAR1(H)
- R(c);N_GUARD::QAR1(H),XR(c)
- B(e);N_GUARD::QAB1(H),XB(e)
- R(c);N_GUARD::QAR1(H)
- R(c);N_GUARD,P_PINB(E)::B(B)
- R(c);N_GUARD::B(B)
- B(e);N_GUARD::QAB1(H)
- S(d);N_GUARD::R1(F)
- P(a);N_GUARD::B(B)
- Refutation
- R(c);
- Try
- S(C);
- Vars
- R(c);N_GUARD,XB(B)::QAR1(H)
- R(c);N_GUARD::QAR1(H),XR(c)
- B(e);N_GUARD::QAB1(H),XB(e)
- R(c);N_GUARD::QAR1(H)
- R(c);N_GUARD,P_PINB(E)::B(B)
- R(c);N_GUARD::B(B)
- B(e);N_GUARD::QAB1(H)
- S(d);N_GUARD::R1(F)
- P(a);N_GUARD::B(B)
- Refutation
- R(c);
- Try
- S(C);
- Vars
- R(c);N_GUARD,XB(B)::QAR1(H)
- R(c);N_GUARD::QAR1(H),XR(c)
- B(e);N_GUARD::QAB1(H),XB(e)
- R(c);N_GUARD::QAR1(H)
- R(c);N_GUARD,P_PINB(E)::B(B)
- R(c);N_GUARD::B(B)
- B(e);N_GUARD::QAB1(H)
- S(d);N_GUARD::R1(F)
- P(a);N_GUARD::B(B)
- Refutation
- R(c);
- Try
- S(C);
- Vars
- R(c);N_GUARD,XB(B)::QAR1(H)
- R(c);N_GUARD::QAR1(H),XR(c)
- B(e);N_GUARD::QAB1(H),XB(e)
- R(c);N_GUARD::QAR1(H)
- R(c);N_GUARD,P_PINB(E)::B(B)
- R(c);N_GUARD::B(B)
- B(e);N_GUARD::QAB1(H)
- S(d);N_GUARD::R1(F)
- P(a);N_GUARD::B(B)
- Refutation
- R(c);
- Try
- B(B);
- Threat
- B(B)
- Vars
- R(c);N_GUARD::QAR1(H),XR(c)
- B(e);N_GUARD::QAB1(H),XB(e)
- S(d);N_GUARD::R1(F),XS(d)
- R(c);N_GUARD::S(C),XR(c)
- Refutation
- R(c);CHECK
- Try
- B(B);
- Vars
- R(c);N_GUARD::QAR1(H),XR(c)
- B(e);N_GUARD::QAB1(H),XB(e)
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::QAR1(H)
- B(e);N_GUARD::QAB1(H)
- S(d);N_GUARD::R1(F)
- P(a);N_GUARD::B(B)
- Refutation
- R(c);CHECK
- Try
- B(B);
- Threat
- DUALS(4)
- Refutation
- R(c);CHECK
- Try
- B(B);XP(a)
- Threat
- B(B)
- Vars
- R(c);N_GUARD::QAR1(H),XR(c)
- B(e);N_GUARD::QAB1(H),XB(e)
- R(c);N_GUARD::S(C),XR(c)
- Refutation
- R(c);CHECK
- Try
- B(E);
- Vars
- R(c);N_GUARD,XB(B)::QAR1(H)
- R(c);N_GUARD::QAR1(H),XR(c)
- B(e);N_GUARD::QAB1(H),XB(e)
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::QAR1(H)
- R(c);N_GUARD::S(C)
- B(e);N_GUARD::QAB1(H)
- S(d);N_GUARD::R1(F)
- P(a);N_GUARD::B(B)
- Refutation
- R(c);P_PINS(C)
- Try
- B(E);
- Vars
- R(c);N_GUARD,XB(B)::QAR1(H)
- S(d);N_GUARD,XB(E)::R1(F)
- R(c);N_GUARD::QAR1(H),XR(c)
- B(e);N_GUARD::QAB1(H),XB(e)
- R(c);N_GUARD::QAR1(H)
- R(c);N_GUARD::S(C)
- B(e);N_GUARD::QAB1(H)
- S(d);N_GUARD::R1(F)
- P(a);N_GUARD::B(B)
- Refutation
- R(c);P_PINS(C)
- Try
- R(F);
- Threat
- R(F)
- Vars
- R(c);N_GUARD,XB(B)::QAR1(H)
- R(c);N_GUARD::QAR1(H),XR(c)
- B(e);SBLOCK::QAB(H)
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::QAR1(H)
- S(d);N_GUARD::R1(F)
- S(d);N_GUARD::R1(F),XS(d)
- Refutation
- B(e);
- Try
- R(F);
- Threat
- R(F)
- Vars
- R(c);N_GUARD,XB(B)::QAR1(H)
- R(c);N_GUARD::QAR1(H),XR(c)
- B(e);SBLOCK::QAB(H)
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::QAR1(H)
- S(d);N_GUARD::R1(F)
- S(d);N_GUARD::R1(F),XS(d)
- Refutation
- B(e);
- Try
- R(F);
- Threat
- DUALS(5)
- Vars
- R(c);N_GUARD::S(C),XR(c)
- Refutation
- P(a);XR(F)
- Try
- Actual
- R(F);
- Threat
- R(F)
- Vars
- R(c);N_GUARD,XB(B)::QAR1(H)
- R(c);N_GUARD::QAR1(H),XR(c)
- B(e);SBLOCK::QAB(H)
- R(c);N_GUARD::S(C),XR(c)
- R(c);N_GUARD::QAR1(H)
- S(d);N_GUARD::R1(F)
- S(d);N_GUARD::R1(F),XS(d)
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).