MESON Chess Problem Database
Problem Display
PID: 53574 (8/5nQ1/2P1qpb1/8/2pP1P2/2P1k3/1N2pN1B/4K2B w - - 0 1)
Board, E
Uralski Problemist, 2004
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Qh3
- 2.Sxc4#
- 1...Qg4
- 2.Sxc4#
- 2.Sxg4#
- 1...Qd5
- 2.Sg4#
- 1...Qf5
- 2.Sxc4#
- 1...Qd7
- 2.Sxc4#
- 1...Qc8
- 2.Sxc4#
- 1...Qe4
- 2.Sxc4#
- 2.Sg4#
- 1...Qe5
- 2.Sxc4#
- 2.Sg4#
- 1...Qxc6
- 2.Sg4#
- 1...Qd6
- 2.Sxc4#
- 2.Sg4#
- 1...Qe7
- 2.Sxc4#
- 2.Sg4#
- 1...Qe8
- 2.Sxc4#
- 2.Sg4#
- 1...Bb1
- 2.Qg3#
- 1...Bc2
- 2.Qg3#
- 1...Bd3
- 2.Qg3#
- 1...Bf5
- 2.Qg3#
- 1...Bh7
- 2.Qg3#
- 1...Qh3
- Tries
- 1.Qxg6?
- threat
- 2.Qg3#
- 1...Qxc6
- 2.Sg4#
- 1...Qh3
- 2.Sxc4#
- 2.Qe4#
- 1...Qg4
- 2.Sxc4#
- 2.Sxg4#
- 2.Qe4#
- 1...Qd5
- 2.Sg4#
- 1...Qe4
- 2.Sxc4#
- 2.Sg4#
- 2.Qxe4#
- 1...Se5
- 2.Qe4#
- 1...Sg5!
- threat
- 1.f5?
- threat
- 2.Sg4#
- 1...Qxf5
- 2.Sxc4#
- 1...Bxf5
- 2.Qg3#
- 1...Qe4
- 2.Sxc4#
- 1...Se5
- 2.Qh6#
- 1...Sh6
- 2.Qxh6#
- 1...Bh5!
- threat
- 1.Qxg6?
- Keys
- 1.d5!
- threat
- 2.Sxc4#
- 1...Qxd5
- 2.Sg4#
- 1...Qxc6
- 2.Sg4#
- 1...Qe4
- 2.Sg4#
- 1...Bd3
- 2.Qg3#
- 1...Se5
- 2.Qa7#
- 1...Sd6
- 2.Qa7#
- threat
- 1.d5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 8
- Sets
- Q(d);N_GUARD::S(C),XP(c)
- Q(d);N_GUARD::S(D)
- Q(d);N_GUARD,XP(I)::S(D)
- B(f);OGATE::QAR2(J)
- Tries
- Try
- Q(J);XB(f)
- Threat
- QAR2(J)
- Vars
- Q(d);N_GUARD,XP(I)::S(D)
- Q(d);N_GUARD::S(D)
- S(g);S_CUTQ(d)::QAR1(J)
- Refutation
- S(g);
- Try
- P(H);
- Threat
- S(D)
- Vars
- Q(d);N_GUARD,XP(H)::S(C),XP(c)
- B(f);OGATE,XP(H)::QAR2(J)
- Q(d);N_GUARD::S(C),XP(c)
- S(g);N_GUARD::QAB(J)
- S(g);N_GUARD::QAB(J),XS(g)
- Refutation
- B(f);
- Try
- Actual
- P(G);
- Threat
- S(C),XP(c)
- Vars
- Q(d);N_GUARD,XP(G)::S(D)
- Q(d);N_GUARD,XP(I)::S(D)
- Q(d);N_GUARD::S(D)
- B(f);OGATE::QAR2(J)
- S(g);OGATE::QAB(J)
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).