MESON Chess Problem Database
Problem Display
PID: 943 (6Q1/8/8/8/r1p4K/2p1PpBP/4pNkp/5bqr w - - 0 1)
Sokolow, WV
The Problemist Supplement, 1993
#2
6 + 10
SOLUTION
- SOUND
- Tries
- 1.Sd3?
- threat
- 2.Se1#
- 2.Sf4#
- 2.Be1#
- 2.Bf2#
- 2.Bf4#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 2.Bb8#
- 1...Qxe3
- 2.Bf4#
- 1...Qf2
- 2.Bxf2#
- 1...f2
- 2.Qd5#
- 1...e1Q
- 2.Sxe1#
- 2.Sf4#
- 2.Bxe1#
- 2.Bf2#
- 1...e1S
- 2.Sxe1#
- 2.Sf4#
- 2.Bxe1#
- 2.Bf2#
- 2.Bf4#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 2.Bb8#
- 1...e1B
- 2.Sxe1#
- 2.Sf4#
- 2.Bxe1#
- 2.Bf2#
- 1...e1R
- 2.Sxe1#
- 2.Sf4#
- 2.Bxe1#
- 2.Bf2#
- 2.Bf4#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 2.Bb8#
- 1...Ra1
- 2.Sf4#
- 2.Be1#
- 2.Bf2#
- 2.Bf4#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 2.Bb8#
- 1...Ra5
- 2.Se1#
- 2.Sf4#
- 2.Be5#
- 1...Ra6
- 2.Se1#
- 2.Sf4#
- 2.Bd6#
- 1...Ra7
- 2.Se1#
- 2.Sf4#
- 2.Bc7#
- 1...Ra8
- 2.Se1#
- 2.Sf4#
- 2.Bb8#
- 1...cxd3+!
- threat
- 1.Se4?
- threat
- 2.Be1#
- 2.Bf2#
- 2.Bf4#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 2.Bb8#
- 1...Qxe3
- 2.Bf4#
- 1...Qf2
- 2.Bxf2#
- 1...e1Q
- 2.Bxe1#
- 2.Bf2#
- 1...e1S
- 2.Bxe1#
- 2.Bf2#
- 2.Bf4#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 2.Bb8#
- 1...e1B
- 2.Bxe1#
- 2.Bf2#
- 1...e1R
- 2.Bxe1#
- 2.Bf2#
- 2.Bf4#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 2.Bb8#
- 1...Ra5
- 2.Be5#
- 1...Ra6
- 2.Bd6#
- 1...Ra7
- 2.Bc7#
- 1...Ra8
- 2.Bb8#
- 1...f2!
- threat
- 1.Sd3?
- Keys
- 1.Sd1!
- threat
- 2.Be1#
- 2.Bf2#
- 2.Bf4#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 2.Bb8#
- 1...Qxe3
- 2.Bf4#
- 1...exd1Q
- 2.Be1#
- 1...exd1S
- 2.Be1#
- 1...exd1B
- 2.Be1#
- 1...exd1R
- 2.Be1#
- 1...Qf2
- 2.Bxf2#
- 1...f2
- 2.Qd5#
- 1...e1Q
- 2.Bxe1#
- 2.Bf2#
- 1...e1S
- 2.Bxe1#
- 2.Bf2#
- 2.Bf4#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 2.Bb8#
- 1...e1B
- 2.Bxe1#
- 2.Bf2#
- 1...e1R
- 2.Bxe1#
- 2.Bf2#
- 2.Bf4#
- 2.Be5#
- 2.Bd6#
- 2.Bc7#
- 2.Bb8#
- 1...Ra5
- 2.Be5#
- 1...Ra6
- 2.Bd6#
- 1...Ra7
- 2.Bc7#
- 1...Ra8
- 2.Bb8#
- threat
- 1.Sd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 11
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(A);
- Threat
- DUALS(9)
- Vars
- Q(b);XP(B)::QAR(F)+B(C)
- Q(b);P_PINB(C)::QAR(F)+B(C),XQ(b)
- P(h);OGATEB::QAB(F)
- Refutation
- P(j);CHECK,XS(A)
- Try
- S(A);
- Threat
- DUALS(7)
- Vars
- Q(b);XP(B)::QAR(F)+B(C)
- Q(b);P_PINB(C)::QAR(F)+B(C),XQ(b)
- R(i);::QAR(F)+B(C)
- Refutation
- P(h);
- Try
- Actual
- S(A);
- Threat
- DUALS(7)
- Vars
- Q(b);XP(B)::QAR(F)+B(C)
- P(d);XS(A)::QAR(F)+B(C)
- Q(b);P_PINB(C)::QAR(F)+B(C),XQ(b)
- P(h);OGATEB::QAB(F)
- R(i);::QAR(F)+B(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).