MESON Chess Problem Database
Problem Display
PID: 101426 (K7/2b5/n2P2p1/7p/3kN3/1PR1NnQ1/2B4p/B2br2q w - - 0 1)
Sparke, Arthur M
Good Companions, 1918
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Bxd6
- 2.Qxd6#
- 1...Sg1
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 1...Sd2
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 1...Sh4
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 1...Se5
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 1...Sg5
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 1...Bxd6
- Tries
- 1.Qf4?
- threat
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sf6#
- 2.Rd3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 1...Rxe3
- 2.Rd3#
- 1...Bxd6
- 2.Sxd6#
- 2.Rd3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qxd6#
- 1...Be2
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sf6#
- 2.Rd3#
- 2.Rc4#
- 1...Ba5
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sf6#
- 2.Rd3#
- 2.Rc4#
- 1...Bb6
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sf6#
- 2.Rd3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Bb8
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sf6#
- 2.Rd3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Bd8
- 2.Sd2#
- 2.Sf2#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sf6#
- 2.Rd3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 1...Sg1
- 2.Rd3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 2.Qf6#
- 1...Sd2
- 2.Rd3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 2.Qf6#
- 1...Sh4
- 2.Rd3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 2.Qf6#
- 1...Se5
- 2.Rd3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 1...Sg5
- 2.Rd3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 2.Qf6#
- 1...Sc5
- 2.Sxc5#
- 2.Rd3#
- 2.Rc4#
- 2.Rxc5#
- 1...g5
- 2.Sxg5#
- 2.Rd3#
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 1...Bxc2!
- threat
- 1.Qg5?
- threat
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 2.Qd5#
- 1...Rxe3
- 2.Rxe3#
- 2.Rc4#
- 1...Bxc2
- 2.Qd5#
- 1...Bxd6
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qd5#
- 1...Be2
- 2.Rc4#
- 2.Qd5#
- 1...Ba5
- 2.Rc4#
- 2.Qd5#
- 1...Bb6
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qd5#
- 1...Bb8
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qd5#
- 1...Bd8
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rc7#
- 2.Rc8#
- 2.Qd5#
- 1...Se5
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 1...Sb4
- 2.Rc4#
- 2.Rc5#
- 2.Rc6#
- 2.Rxc7#
- 2.Qc5#
- 1...Sc5
- 2.Rc4#
- 2.Rxc5#
- 2.Qxc5#
- 2.Qd5#
- 1...Sxg5!
- threat
- 1.Qxg6?
- threat
- 2.Rd3#
- 1...Ke5
- 2.Qf6#
- 1...Bxc2!
- threat
- 1.Qf4?
- Keys
- 1.Sf6!
- threat
- 2.Qf4#
- 1...Sg1+
- 2.Rc6#
- 1...Sd2+
- 2.Rc6#
- 1...Sh4+
- 2.Rc6#
- 1...Se5+
- 2.Rc6#
- 1...Sg5+
- 2.Rc6#
- 1...Rxe3
- 2.Rc4#
- 1...Bxc2
- 2.Sxc2#
- 1...Bxd6
- 2.Qxd6#
- 1...Sc5
- 2.Rd3#
- 1...g5
- 2.Sf5#
- threat
- 1.Sf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 9
- REMOVED MATES = 0
- Sets
- B(j);OGATE,XP(H)::QAR2(F),XB(j)
- Tries
- Try
- Q(F);
- Threat
- DUALS(11)
- Vars
- R(b);XS(E)::B(A)+R(D),DCHECK
- Refutation
- B(a);XB(B)
- Try
- Q(F);
- Threat
- DUALS(5)
- Vars
- B(a);XB(B)::QAR1(F)
- Refutation
- S(e);P_PINS(G),XQ(F)
- Try
- Q(F);XP(i)
- Threat
- B(A)+R(D),DCHECK
- Vars
- K(f);S_FLIGHT::QAB1(F)
- Refutation
- B(a);XB(B)
- Try
- Actual
- S(G);
- Threat
- QAR2(F)
- Vars
- S(e);CHECK::B(A)+R(D)
- R(b);SBLOCK,XS(E)::B(A)+R(D),DCHECK
- B(a);XB(B)::S(E),XB(a)
- B(j);OGATE,XP(H)::QAR2(F),XB(j)
- S(h);SBLOCK::B(A)+R(D),DCHECK
- P(i);N_GUARD::S(E)
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).