MESON Chess Problem Database
Problem Display
PID: 246670 (b2K4/2p1N3/3k4/2NPp3/pP4Rn/Q6B/8/7q w - - 0 1)
Mosiashvili, Givi
Moscow Ty., 2014
#2
8 + 7
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qe4
- 2.Sxe4#
- 1...Qa1
- 2.Se4#
- 1...Qc1
- 2.Se4#
- 1...Qd1
- 2.Se4#
- 1...Qf1
- 2.Se4#
- 1...Qg1
- 2.Se4#
- 1...Qh2
- 2.Se4#
- 1...Qxh3
- 2.Se4#
- 1...Bb7
- 2.Sxb7#
- 1...Sg2
- 2.Se4#
- 2.Rg6#
- 1...Sf3
- 2.Se4#
- 2.Rg6#
- 1...Sf5
- 2.Rg6#
- 1...Sg6
- 2.Rxg6#
- 1...e4
- 2.Qg3#
- 1...Qe4
- Tries
- 1.b5?
- threat
- 2.Se4#
- 2.Sb7#
- 1...Qxd5
- 2.Sc8#
- 1...Bxd5
- 2.Sc8#
- 1...Qe4
- 2.Sxe4#
- 2.Sb7#
- 1...Bb7
- 2.Se4#
- 2.Sxb7#
- 1...e4!
- threat
- 1.b5?
- Keys
- 1.Rd4!
- threat
- 2.Sc8#
- 1...Qxd5
- 2.Se4#
- 1...Qxh3
- 2.Se4#
- 1...Bxd5
- 2.Sb7#
- 1...exd4
- 2.Qg3#
- 1...e4
- 2.Qg3#
- 1...Bb7
- 2.Sxb7#
- threat
- 1.Rd4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- Q(a);N_GUARD::S(E),XQ(a)
- Q(a);N_GUARD::S(E)
- Q(a);N_GUARD,XB(B)::S(E)
- B(g);N_GUARD::S(E),XB(g)
- S(c);N_GUARD::R(D)
- S(c);N_GUARD::R(D),XS(c)
- P(d);OGATEB::QAB(A)
- Tries
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- Q(a);SBLOCK,XP(F)::S(G)
- B(g);SBLOCK,XP(F)::S(G)
- Refutation
- P(d);
- Try
- Actual
- R(D);
- Threat
- S(G)
- Vars
- Q(a);N_GUARD,P_SPINQ(a),XP(F)::S(E)
- Q(a);N_GUARD,XB(B)::S(E)
- B(g);N_GUARD,P_SPINB(g),XP(F)::S(E)
- P(d);OGATEB,XR(D)::QAB(A)
- P(d);OGATEB::QAB(A)
- B(g);N_GUARD::S(E),XB(g)
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).