MESON Chess Problem Database
Problem Display
PID: 195819 (8/rp4pr/4p3/bK1kPp2/3N1nNQ/1p6/1B2R1p1/1B4n1 w - - 0 1)
Shanshin, Valery Yurevich
1st Prize, StrateGems, 2018
#2
8 + 12
SOLUTION
- SOUND
- Sets
- 1...Be1
- 2.Qd8#
- 1...Bd2
- 2.Qd8#
- 1...Bc3
- 2.Qd8#
- 1...Bd8
- 2.Qxd8#
- 1...g5
- 2.Sf6#
- 1...g6
- 2.Sf6#
- 1...Be1
- Tries
- 1.Sxb3?
- threat
- 2.Se3#
- 1...fxg4
- 2.Be4#
- 1...Bd2
- 2.Qd8#
- 1...Bc3
- 2.Qd8#
- 1...Bb6!
- threat
- 1.Sf3?
- threat
- 2.Se3#
- 1...fxg4
- 2.Be4#
- 1...Bd2
- 2.Qd8#
- 1...Bb6!
- threat
- 1.Sxf5?
- threat
- 2.Sge3#
- 2.Sfe3#
- 2.Se7#
- 2.Be4#
- 1...Sgxe2
- 2.Sge3#
- 2.Sfe3#
- 2.Se7#
- 1...Sfxe2
- 2.Sge3#
- 2.Sfe3#
- 2.Se7#
- 1...Bb6
- 2.Se7#
- 2.Be4#
- 1...Bd2
- 2.Se7#
- 2.Be4#
- 2.Qd8#
- 1...Bc3
- 2.Be4#
- 2.Qd8#
- 1...Bb4
- 2.Sge3#
- 2.Sfe3#
- 2.Be4#
- 1...Bd8
- 2.Sge3#
- 2.Sfe3#
- 2.Be4#
- 2.Qxd8#
- 1...Sd3
- 2.Sge3#
- 2.Se7#
- 1...Sg6
- 2.Sge3#
- 2.Sfe3#
- 2.Be4#
- 1...b6
- 2.Sge3#
- 2.Sfe3#
- 2.Be4#
- 1...g5
- 2.Sge3#
- 2.Sf6#
- 2.Sfe3#
- 2.Be4#
- 1...g6
- 2.Sge3#
- 2.Sf6#
- 2.Sfe3#
- 2.Be4#
- 1...exf5!
- threat
- 1.Sc6?
- threat
- 2.Se3#
- 2.Se7#
- 1...fxg4
- 2.Se7#
- 2.Be4#
- 1...Bb6
- 2.Sb4#
- 2.Se7#
- 1...Bd2
- 2.Se7#
- 2.Qd8#
- 1...Bc3
- 2.Se3#
- 2.Qd8#
- 1...Bb4
- 2.Se3#
- 2.Sxb4#
- 1...Bd8
- 2.Se3#
- 2.Sb4#
- 2.Qxd8#
- 1...Sg6
- 2.Se3#
- 1...b6
- 2.Se3#
- 1...g5
- 2.Se3#
- 2.Sf6#
- 1...g6
- 2.Se3#
- 2.Sf6#
- 1...bxc6+!
- threat
- 1.Qf6?
- threat
- 2.Se3#
- 1...fxg4
- 2.Be4#
- 1...gxf6
- 2.Sxf6#
- 1...Bc3
- 2.Qd8#
- 1...Bd2
- 2.Qd8#
- 1...Sd3
- 2.Qxe6#
- 1...Rh3!
- threat
- 1.Qe7?
- threat
- 2.Qc5#
- 2.Qd6#
- 2.Qd7#
- 1...Bb6
- 2.Qd6#
- 2.Qd7#
- 1...Ra6
- 2.Qc5#
- 1...Bc7
- 2.Qc5#
- 1...Sd3
- 2.Qd6#
- 2.Qxe6#
- 2.Qd7#
- 1...b6
- 2.Qd6#
- 1...g5
- 2.Sf6#
- 2.Qc5#
- 2.Qd6#
- 1...g6
- 2.Sf6#
- 2.Qc5#
- 2.Qd6#
- 1...Bb4!
- threat
- 1.Sxb3?
- Keys
- 1.Sc2!
- threat
- 2.Sce3#
- 1...bxc2
- 2.Ba2#
- 1...Bd2
- 2.Qd8#
- 1...Bc3
- 2.Qd8#
- 1...Bb6
- 2.Sb4#
- 1...Sd3
- 2.Sge3#
- threat
- 1.Sc2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- B(e);N_GUARD::QAR(F)
- B(e);N_GUARD::QAR(F),XB(e)
- P(k);N_GUARD::S(E)
- Tries
- Try
- S(D);XP(c)
- Threat
- S(E)
- Vars
- P(g);N_GUARD,XS(E)::B(A)
- B(e);N_GUARD::QAR(F)
- Refutation
- B(e);
- Try
- S(D);
- Threat
- S(E)
- Vars
- P(g);N_GUARD,XS(E)::B(A)
- B(e);N_GUARD::QAR(F)
- Refutation
- B(e);
- Try
- S(D);XP(g)
- Threat
- DUALS(4)
- Refutation
- P(h);XS(D)
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- S(d);::S(E)
- P(j);::S(E)
- Refutation
- P(j);CHECK,XS(D)
- Try
- Q(F);
- Threat
- S(E)
- Vars
- P(g);N_GUARD,XS(E)::B(A)
- P(k);XQ(F)::S(E),XP(k)
- B(e);N_GUARD::QAR(F)
- S(d);N_GUARD::QAB1(F),XP(h)
- Refutation
- R(l);
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- R(i);::QAR1(F)
- B(e);::QAR1(F)
- P(j);::QAR1(F)
- Refutation
- B(e);
- Try
- Actual
- S(D);
- Threat
- S(D)
- Vars
- P(c);OGATEB,XS(D)::B(A)
- B(e);N_GUARD::QAR(F)
- B(e);N_GUARD::S(D)
- S(d);::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).