MESON Chess Problem Database
Problem Display
PID: 152157 (B7/5p1n/5qN1/5k1N/5B2/2p2Q2/2K5/4R3 w - - 0 1)
Promislo, Charles
Good Companions (May Meredith Ty.), 1915
#2
7 + 5
SOLUTION
- SOUND
- Sets
- 1...Qd4
- 2.Sh4#
- 2.Se7#
- 1...Qh4
- 2.Sxh4#
- 1...Qe7
- 2.Sxe7#
- 1...Qg7
- 2.Sh4#
- 2.Se7#
- 1...Qh8
- 2.Sh4#
- 2.Se7#
- 1...Qa6
- 2.Sh4#
- 2.Se7#
- 1...Qb6
- 2.Sh4#
- 2.Se7#
- 1...Qc6
- 2.Sh4#
- 2.Se7#
- 1...Qd6
- 2.Sh4#
- 1...Qe6
- 2.Sh4#
- 1...Qxg6
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Re5#
- 1...Sg5
- 2.Sh4#
- 1...fxg6
- 2.Sg3#
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Qh3#
- 1...Qd4
- Tries
- 1.Sf8?
- threat
- 2.Sg3#
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Be4#
- 2.Qh3#
- 1...Qd4
- 2.Qh3#
- 1...Qh4
- 2.Be4#
- 2.Re5#
- 1...Qe5
- 2.Rxe5#
- 2.Qh3#
- 1...Qg5
- 2.Be4#
- 2.Re5#
- 1...Qe7
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Qh3#
- 1...Qg7
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Be4#
- 1...Qd8
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Be4#
- 2.Re5#
- 2.Qh3#
- 1...Qh8
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Be4#
- 2.Qh3#
- 1...Qa6
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Be4#
- 2.Re5#
- 2.Qh3#
- 1...Qb6
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Be4#
- 2.Re5#
- 2.Qh3#
- 1...Qc6
- 2.Re5#
- 2.Qh3#
- 1...Qd6
- 2.Be4#
- 2.Qh3#
- 1...Qe6
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Qh3#
- 1...Qg6
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Be4#
- 2.Re5#
- 1...Qh6
- 2.Bxh6#
- 2.Be4#
- 2.Re5#
- 2.Qh3#
- 1...Sg5
- 2.Sg3#
- 1...Sxf8!
- threat
- 1.Sh8?
- threat
- 2.Sg3#
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Qh3#
- 1...Qe5
- 2.Rxe5#
- 2.Qh3#
- 1...Qd4
- 2.Qh3#
- 1...Qh4
- 2.Re5#
- 1...Qg5
- 2.Re5#
- 1...Qe7
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Qh3#
- 1...Qg7
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 1...Qd8
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Re5#
- 2.Qh3#
- 1...Qa6
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Re5#
- 2.Qh3#
- 1...Qb6
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Re5#
- 2.Qh3#
- 1...Qc6
- 2.Re5#
- 2.Qh3#
- 1...Qd6
- 2.Qh3#
- 1...Qe6
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Qh3#
- 1...Qg6
- 2.Bc1#
- 2.Bd2#
- 2.Bh6#
- 2.Re5#
- 1...Qh6
- 2.Bxh6#
- 2.Re5#
- 2.Qh3#
- 1...Sg5
- 2.Sg3#
- 1...Qxh8!
- threat
- 1.Be3+?
- 1...Ke6
- 2.Qd5#
- 1...Kxg6!
- 1...Ke6
- 1.Sf8?
- Keys
- 1.Re6!
- 1...Kxe6
- 2.Qd5#
- 1...Kxg6
- 2.Be4#
- 1...Qxe6
- 2.Sh4#
- 1...Qxg6
- 2.Re5#
- 1...fxe6
- 2.Be4#
- 1...fxg6
- 2.Qh3#
- 1...Qd4
- 2.Qh3#
- 1...Qh4
- 2.Sg7#
- 1...Qe5
- 2.Qh3#
- 1...Qg5
- 2.Sg7#
- 1...Qe7
- 2.Sg7#
- 2.Qh3#
- 1...Qg7
- 2.Sxg7#
- 2.Qh3#
- 1...Qd8
- 2.Sg7#
- 2.Qh3#
- 1...Qh8
- 2.Qh3#
- 1...Sg5
- 2.Rxf6#
- 1...Sf8
- 2.Rxf6#
- 1...Kxe6
- 1.Re6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 10
- REMOVED MATES = 2
- Sets
- Q(c);N_GUARD::S(F),XQ(c)
- Q(c);N_GUARD::S(F)
- S(e);S_CUTQ(c)::S(F)
- Tries
- Try
- S(F);
- Threat
- DUALS(6)
- Vars
- Q(c);::QAB(C)
- S(e);::S(E)
- Refutation
- S(e);XS(F)
- Try
- S(F);
- Threat
- DUALS(5)
- Vars
- Q(c);::QAB(C)
- Q(c);N_GUARD::R1(A)
- S(e);::S(E)
- Refutation
- Q(c);XS(F)
- Try
- B(D);CHECK
- Vars
- K(b);S_FLIGHT::QAB1(C)
- Refutation
- K(b);S_FLIGHT,XS(F)
- Try
- Actual
- R(A);
- Vars
- K(b);S_FLIGHT,XR(A)::QAB1(C)
- K(b);P_SPINQ(c),S_FLIGHT,XS(F)::B(G)
- Q(c);N_GUARD,SBLOCK,XR(A)::S(F)
- Q(c);N_GUARD,SBLOCK,XS(F)::R1(A)
- P(d);SBLOCK,XR(A)::B(G)
- P(d);SBLOCK,XS(F)::QAB(C)
- Q(c);::QAB(C)
- Q(c);N_GUARD::S(E)
- S(e);N_GUARD::R1(A),XQ(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).