MESON Chess Problem Database
Problem Display
PID: 261180 (5br1/2R1rk1N/7Q/p4P1n/B7/8/8/1K2R3 w - - 0 1)
Tagmann, Bruno
Neue Zurcher Zeitung, 1945
#2
7 + 6
| 6490 | yacpdb | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rxc7
- 2.Be8#
- 1...Rd7
- 2.Bb3#
- 1...Rg1
- 2.Qxf8#
- 1...Rg2
- 2.Qxf8#
- 1...Rg3
- 2.Qxf8#
- 1...Rg4
- 2.Qxf8#
- 1...Rg5
- 2.Qxf8#
- 1...Rg6
- 2.Qxf8#
- 2.Qxg6#
- 1...Rg7
- 2.Qe6#
- 1...Rh8
- 2.Qg6#
- 1...Bxh6
- 2.Rexe7#
- 2.Rcxe7#
- 1...Bg7
- 2.Rexe7#
- 2.Rcxe7#
- 2.Qxh5#
- 2.Qe6#
- 2.Qg6#
- 1...Sg3
- 2.Qf6#
- 1...Sf4
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sg7
- 2.Sg5#
- 2.Qf6#
- 2.Qg6#
- 1...Rxc7
- Tries
- 1.Ka1?
- 1...Rxc7
- 2.Be8#
- 1...Bxh6
- 2.Rexe7#
- 2.Rcxe7#
- 1...Rg1
- 2.Qxf8#
- 1...Rg2
- 2.Qxf8#
- 1...Rg3
- 2.Qxf8#
- 1...Rg4
- 2.Qxf8#
- 1...Rg5
- 2.Qxf8#
- 1...Rg6
- 2.Qxf8#
- 2.Qxg6#
- 1...Rg7
- 2.Qe6#
- 1...Rh8
- 2.Qg6#
- 1...Rd7
- 2.Bb3#
- 1...Sg3
- 2.Qf6#
- 1...Sf4
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sg7
- 2.Sg5#
- 2.Qf6#
- 2.Qg6#
- 1...Bg7+!
- 1...Rxc7
- 1.Ka2?
- 1...Rxc7
- 2.Be8#
- 1...Bxh6
- 2.Rexe7#
- 2.Rcxe7#
- 1...Rg1
- 2.Qxf8#
- 1...Rg3
- 2.Qxf8#
- 1...Rg4
- 2.Qxf8#
- 1...Rg5
- 2.Qxf8#
- 1...Rg6
- 2.Qxf8#
- 2.Qxg6#
- 1...Rg7
- 2.Qe6#
- 1...Rh8
- 2.Qg6#
- 1...Rd7
- 2.Bb3#
- 1...Bg7
- 2.Rexe7#
- 2.Rcxe7#
- 2.Qxh5#
- 2.Qe6#
- 2.Qg6#
- 1...Sg3
- 2.Qf6#
- 1...Sf4
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sg7
- 2.Sg5#
- 2.Qf6#
- 2.Qg6#
- 1...Rg2+!
- 1...Rxc7
- 1.Bb5?
- 1...Rxc7
- 2.Be8#
- 1...Bxh6
- 2.Rexe7#
- 2.Rcxe7#
- 1...Rg1
- 2.Qxf8#
- 1...Rg2
- 2.Qxf8#
- 1...Rg3
- 2.Qxf8#
- 1...Rg4
- 2.Qxf8#
- 1...Rg5
- 2.Qxf8#
- 1...Rg6
- 2.Qxf8#
- 2.Qxg6#
- 1...Rg7
- 2.Qe6#
- 1...Rh8
- 2.Qg6#
- 1...Rd7
- 2.Bc4#
- 1...Bg7
- 2.Rexe7#
- 2.Rcxe7#
- 2.Qxh5#
- 2.Qe6#
- 2.Qg6#
- 1...Sg3
- 2.Qf6#
- 1...Sf4
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sg7
- 2.Sg5#
- 2.Qf6#
- 2.Qg6#
- 1...a4!
- 1...Rxc7
- 1.Bc6?
- 1...Rxc7
- 2.Bd5#
- 2.Be8#
- 1...Bxh6
- 2.Rexe7#
- 2.Rcxe7#
- 1...Rg1
- 2.Qxf8#
- 1...Rg2
- 2.Qxf8#
- 1...Rg3
- 2.Qxf8#
- 1...Rg4
- 2.Qxf8#
- 1...Rg5
- 2.Qxf8#
- 1...Rg6
- 2.Qxf8#
- 2.Qxg6#
- 1...Rg7
- 2.Qe6#
- 1...Rh8
- 2.Qg6#
- 1...Rd7
- 2.Bd5#
- 1...Bg7
- 2.Rexe7#
- 2.Rcxe7#
- 2.Qxh5#
- 2.Qe6#
- 2.Qg6#
- 1...Sg3
- 2.Qf6#
- 1...Sf4
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sg7
- 2.Sg5#
- 2.Qf6#
- 2.Qg6#
- 1...a4!
- 1...Rxc7
- 1.Re2?
- 1...Rxc7
- 2.Be8#
- 1...Bxh6
- 2.Rexe7#
- 2.Rcxe7#
- 1...Rg2
- 2.Qxf8#
- 1...Rg3
- 2.Qxf8#
- 1...Rg4
- 2.Qxf8#
- 1...Rg5
- 2.Qxf8#
- 1...Rg6
- 2.Qxf8#
- 2.Qxg6#
- 1...Rg7
- 2.Qe6#
- 1...Rh8
- 2.Qg6#
- 1...Rd7
- 2.Bb3#
- 1...Bg7
- 2.Rexe7#
- 2.Rcxe7#
- 2.Qxh5#
- 2.Qe6#
- 2.Qg6#
- 1...Sg3
- 2.Qf6#
- 1...Sf4
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sg7
- 2.Sg5#
- 2.Qf6#
- 2.Qg6#
- 1...Rg1+!
- 1...Rxc7
- 1.Re3?
- 1...Rxc7
- 2.Be8#
- 1...Bxh6
- 2.Rexe7#
- 2.Rcxe7#
- 1...Rg2
- 2.Qxf8#
- 1...Rg3
- 2.Qxf8#
- 1...Rg4
- 2.Qxf8#
- 1...Rg5
- 2.Qxf8#
- 1...Rg6
- 2.Qxf8#
- 2.Qxg6#
- 1...Rg7
- 2.Qe6#
- 1...Rh8
- 2.Qg6#
- 1...Rd7
- 2.Bb3#
- 1...Bg7
- 2.Rexe7#
- 2.Rcxe7#
- 2.Qxh5#
- 2.Qe6#
- 2.Qg6#
- 1...Sg3
- 2.Qf6#
- 1...Sf4
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sg7
- 2.Sg5#
- 2.Qf6#
- 2.Qg6#
- 1...Rg1+!
- 1...Rxc7
- 1.Re4?
- 1...Rxc7
- 2.Be8#
- 1...Bxh6
- 2.Rexe7#
- 2.Rcxe7#
- 1...Rg2
- 2.Qxf8#
- 1...Rg3
- 2.Qxf8#
- 1...Rg4
- 2.Qxf8#
- 1...Rg5
- 2.Qxf8#
- 1...Rg6
- 2.Qxf8#
- 2.Qxg6#
- 1...Rg7
- 2.Qe6#
- 1...Rh8
- 2.Qg6#
- 1...Rd7
- 2.Bb3#
- 1...Bg7
- 2.Rexe7#
- 2.Rcxe7#
- 2.Qxh5#
- 2.Qe6#
- 2.Qg6#
- 1...Sg3
- 2.Qf6#
- 1...Sf4
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sg7
- 2.Sg5#
- 2.Qf6#
- 2.Qg6#
- 1...Rg1+!
- 1...Rxc7
- 1.Re5?
- 1...Rxc7
- 2.Be8#
- 1...Bxh6
- 2.Rexe7#
- 2.Rcxe7#
- 1...Rg2
- 2.Qxf8#
- 1...Rg3
- 2.Qxf8#
- 1...Rg4
- 2.Qxf8#
- 1...Rg5
- 2.Qxf8#
- 1...Rg6
- 2.Qxf8#
- 2.Qxg6#
- 1...Rg7
- 2.Qe6#
- 1...Rh8
- 2.Qg6#
- 1...Rd7
- 2.Bb3#
- 1...Bg7
- 2.Rexe7#
- 2.Rcxe7#
- 2.Qxh5#
- 2.Qe6#
- 2.Qg6#
- 1...Sg3
- 2.Qf6#
- 1...Sf4
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sg7
- 2.Sg5#
- 2.Qf6#
- 2.Qg6#
- 1...Rg1+!
- 1...Rxc7
- 1.Rb7?
- 1...Bxh6
- 2.Rexe7#
- 2.Rbxe7#
- 1...Rg1
- 2.Qxf8#
- 1...Rg2
- 2.Qxf8#
- 1...Rg3
- 2.Qxf8#
- 1...Rg4
- 2.Qxf8#
- 1...Rg5
- 2.Qxf8#
- 1...Rg6
- 2.Qxf8#
- 2.Qxg6#
- 1...Rg7
- 2.Qe6#
- 1...Rh8
- 2.Qg6#
- 1...Rc7
- 2.Bb3#
- 2.Be8#
- 1...Rd7
- 2.Bb3#
- 1...Bg7
- 2.Rexe7#
- 2.Rbxe7#
- 2.Qxh5#
- 2.Qe6#
- 2.Qg6#
- 1...Sg3
- 2.Qf6#
- 1...Sf4
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sg7
- 2.Sg5#
- 2.Qf6#
- 2.Qg6#
- 1...Rxb7+!
- 1...Bxh6
- 1.Qxh5+?
- 1...Rg6
- 2.Qxg6#
- 1...Kg7!
- 1...Rg6
- 1.Ka1?
- Keys
- 1.Ra7!
- 1...Rb7+
- 2.Bb3#
- 1...Rxa7
- 2.Bb3#
- 2.Be8#
- 1...Bxh6
- 2.Rexe7#
- 2.Raxe7#
- 1...Rg1
- 2.Qxf8#
- 1...Rg2
- 2.Qxf8#
- 1...Rg3
- 2.Qxf8#
- 1...Rg4
- 2.Qxf8#
- 1...Rg5
- 2.Qxf8#
- 1...Rg6
- 2.Qxf8#
- 2.Qxg6#
- 1...Rg7
- 2.Qe6#
- 1...Rh8
- 2.Qg6#
- 1...Rc7
- 2.Bb3#
- 2.Be8#
- 1...Rd7
- 2.Bb3#
- 1...Bg7
- 2.Rexe7#
- 2.Raxe7#
- 2.Qxh5#
- 2.Qe6#
- 2.Qg6#
- 1...Sg3
- 2.Qf6#
- 1...Sf4
- 2.Qf6#
- 1...Sf6
- 2.Qxf6#
- 1...Sg7
- 2.Sg5#
- 2.Qf6#
- 2.Qg6#
- 1...Rb7+
- 1.Ra7!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 1
- Sets
- R(c);N_SPINR(c),XR(F)::B(C)
- R(c);::B(C)
- R(f);N_GUARD,P_PINR(B)::QAR1(E),XB(e)
- R(f);N_GUARD::QAR1(E),XB(e)
- R(f);SBLOCK::QAB1(E)
- R(f);N_GUARD::QAB1(E)
- S(b);N_GUARD::QAR1(E)
- S(b);N_GUARD::QAR1(E),XS(b)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- R(c);N_SPINR(c),XR(F)::B(C)
- R(f);N_GUARD,P_PINR(B)::QAR1(E),XB(e)
- R(f);N_GUARD::QAR1(E),XB(e)
- R(f);SBLOCK::QAB1(E)
- R(f);N_GUARD::QAB1(E)
- R(c);::B(C)
- S(b);N_GUARD::QAR1(E)
- S(b);N_GUARD::QAR1(E),XS(b)
- Refutation
- B(e);CHECK
- Try
- K(A);S_FLIGHT
- Vars
- R(c);N_SPINR(c),XR(F)::B(C)
- R(f);N_GUARD::QAR1(E),XB(e)
- R(f);SBLOCK::QAB1(E)
- R(f);N_GUARD::QAB1(E)
- R(c);::B(C)
- S(b);N_GUARD::QAR1(E)
- S(b);N_GUARD::QAR1(E),XS(b)
- Refutation
- R(f);CHECK
- Try
- B(C);
- Vars
- R(c);N_SPINR(c),XR(F)::B(C)
- R(f);N_GUARD,P_PINR(B)::QAR1(E),XB(e)
- R(f);N_GUARD::QAR1(E),XB(e)
- R(f);SBLOCK::QAB1(E)
- R(f);N_GUARD::QAB1(E)
- R(c);::B(C)
- S(b);N_GUARD::QAR1(E)
- S(b);N_GUARD::QAR1(E),XS(b)
- Refutation
- P(a);
- Try
- B(C);
- Vars
- R(f);N_GUARD,P_PINR(B)::QAR1(E),XB(e)
- R(f);N_GUARD::QAR1(E),XB(e)
- R(f);SBLOCK::QAB1(E)
- R(f);N_GUARD::QAB1(E)
- R(c);::B(C)
- S(b);N_GUARD::QAR1(E)
- S(b);N_GUARD::QAR1(E),XS(b)
- Refutation
- P(a);
- Try
- R(B);
- Vars
- R(c);N_SPINR(c),XR(F)::B(C)
- R(f);N_GUARD::QAR1(E),XB(e)
- R(f);SBLOCK::QAB1(E)
- R(f);N_GUARD::QAB1(E)
- R(c);::B(C)
- S(b);N_GUARD::QAR1(E)
- S(b);N_GUARD::QAR1(E),XS(b)
- Refutation
- R(f);CHECK
- Try
- R(B);
- Vars
- R(c);N_SPINR(c),XR(F)::B(C)
- R(f);N_GUARD::QAR1(E),XB(e)
- R(f);SBLOCK::QAB1(E)
- R(f);N_GUARD::QAB1(E)
- R(c);::B(C)
- S(b);N_GUARD::QAR1(E)
- S(b);N_GUARD::QAR1(E),XS(b)
- Refutation
- R(f);CHECK
- Try
- R(B);
- Vars
- R(c);N_SPINR(c),XR(F)::B(C)
- R(f);N_GUARD::QAR1(E),XB(e)
- R(f);SBLOCK::QAB1(E)
- R(f);N_GUARD::QAB1(E)
- R(c);::B(C)
- S(b);N_GUARD::QAR1(E)
- S(b);N_GUARD::QAR1(E),XS(b)
- Refutation
- R(f);CHECK
- Try
- R(B);
- Vars
- R(c);N_SPINR(c),XR(F)::B(C)
- R(f);N_GUARD::QAR1(E),XB(e)
- R(f);SBLOCK::QAB1(E)
- R(f);N_GUARD::QAB1(E)
- R(c);::B(C)
- S(b);N_GUARD::QAR1(E)
- S(b);N_GUARD::QAR1(E),XS(b)
- Refutation
- R(f);CHECK
- Try
- R(F);
- Vars
- R(f);N_GUARD,P_PINR(B)::QAR1(E),XB(e)
- R(f);N_GUARD::QAR1(E),XB(e)
- R(f);SBLOCK::QAB1(E)
- R(f);N_GUARD::QAB1(E)
- R(c);::B(C)
- S(b);N_GUARD::QAR1(E)
- S(b);N_GUARD::QAR1(E),XS(b)
- Refutation
- R(c);CHECK,N_SPINR(c),XR(F)
- Try
- Q(E);CHECK,XS(b)
- Vars
- R(f);N_GUARD,N_SPINR(c),P_SPINR(f)::QAB1(E),XR(f)
- Refutation
- K(d);P-FLIGHT
- Try
- Actual
- R(F);
- Vars
- R(c);CHECK::B(C)
- R(f);N_GUARD,P_PINR(B)::QAR1(E),XB(e)
- R(f);N_GUARD::QAR1(E),XB(e)
- R(f);SBLOCK::QAB1(E)
- R(f);N_GUARD::QAB1(E)
- R(c);::B(C)
- S(b);N_GUARD::QAR1(E)
- S(b);N_GUARD::QAR1(E),XS(b)
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).