MESON Chess Problem Database
Problem Display
PID: 7237 (Qb3n2/4p2B/1PK4p/5rn1/2NBkPR1/2P2N2/2PP1qP1/5b2 w - - 0 1)
Dyachuk, Vasyl Vasilovich
1st Prize, KNSB-125 JT, 1999
#2
13 + 9
| 6166 | FIDE Album (1998-2000) | 2007 |
SOLUTION
- SOUND
- Sets
- 1...Qxd2
- 2.Sfxd2#
- 2.Scxd2#
- 1...Be5
- 2.Kb5#
- 2.Kc5#
- 2.fxe5#
- 1...Ba7
- 2.Kc7#
- 2.fxg5#
- 1...Bc7
- 2.Kxc7#
- 1...Se6
- 2.Kd7#
- 1...Sd7
- 2.Kxd7#
- 1...h5
- 2.Sxg5#
- 1...e5
- 2.Kb5#
- 2.Kc5#
- 2.fxe5#
- 2.fxg5#
- 1...Qxd2
- Tries
- 1.Sfe5?
- threat
- 2.Kb5#
- 2.Kc5#
- 1...Qxd4
- 2.fxg5#
- 1...Bd6
- 2.Kb5#
- 1...Sge6
- 2.Kb5#
- 1...Sfe6
- 2.Kb5#
- 2.Kd7#
- 1...Sd7
- 2.Kb5#
- 2.Kxd7#
- 1...Bxc4!
- threat
- 1.Sce5?
- threat
- 2.Kc5#
- 2.fxg5#
- 1...Bb5+
- 2.Kxb5#
- 1...Qxd4
- 2.fxg5#
- 1...Qxd2
- 2.Kc5#
- 2.Sxd2#
- 1...Qxg2
- 2.Kc5#
- 1...Qxf3
- 2.Kc5#
- 1...Bxe5
- 2.Kc5#
- 2.fxe5#
- 1...Sxf3
- 2.Kc5#
- 1...Sgxh7
- 2.Kc5#
- 1...Sfxh7
- 2.Kc5#
- 2.Kd7#
- 1...Qe3
- 2.Kc5#
- 1...Qg3
- 2.Kc5#
- 1...Qh4
- 2.Kc5#
- 1...Bc4
- 2.fxg5#
- 1...Ba6
- 2.fxg5#
- 1...Bd6
- 2.fxg5#
- 1...Sh3
- 2.Kc5#
- 1...Sf7
- 2.Kc5#
- 1...Sfe6
- 2.Kd7#
- 1...Sg6
- 2.Kc5#
- 2.Kd7#
- 1...Sd7
- 2.Kxd7#
- 2.fxg5#
- 1...h5
- 2.Kc5#
- 2.Sxg5#
- 1...Sge6!
- threat
- 1.Sd6+?
- 1...exd6
- 2.fxg5#
- 1...Bxd6!
- 1...exd6
- 1.Sfe5?
- Keys
- 1.Be5!
- threat
- 2.Kb5#
- 2.fxg5#
- 1...Qc5+
- 2.Kxc5#
- 1...Qxb6+
- 2.Kxb6#
- 1...Qxd2
- 2.Sfxd2#
- 1...Qxg2
- 2.Kb5#
- 2.Kc5#
- 1...Qxf3
- 2.Kb5#
- 2.Kc5#
- 1...Bxg2
- 2.Kb5#
- 1...Bxc4
- 2.fxg5#
- 1...Bxe5
- 2.Kb5#
- 2.fxe5#
- 1...Sxf3
- 2.Kb5#
- 1...Sgxh7
- 2.Kb5#
- 1...Sfxh7
- 2.Kb5#
- 2.Kd7#
- 1...Qe3
- 2.Kb5#
- 1...Qg3
- 2.Kb5#
- 2.Kc5#
- 1...Qd4
- 2.fxg5#
- 1...Qh4
- 2.Kb5#
- 2.Kc5#
- 1...Sh3
- 2.Kb5#
- 1...Sge6
- 2.Kb5#
- 1...Sf7
- 2.Kb5#
- 1...Sfe6
- 2.Kb5#
- 2.Kd7#
- 1...Sg6
- 2.Kb5#
- 2.Kd7#
- 1...h5
- 2.Kb5#
- 2.Sxg5#
- threat
- 1.Be5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 4
- Sets
- B(h);::QAB(M)+K(K),XB(h)
- S(i);::QAB(M)+K(K)
- S(i);::QAB(M)+K(K),XS(i)
- P(f);N_GUARD::S(E),XS(e)
- Tries
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(b);N_GUARD,XB(G)::R(I)+P(H),XS(e)
- B(h);::QAB(M)+K(K)
- S(e);::QAB(M)+K(K)
- Refutation
- B(a);XS(F)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- B(a);CHECK::QAB(M)+K(K),XB(a)
- Q(b);XB(G)::R(I)+P(H),XS(e)
- Q(b);XP(C)::QAB(M)+K(K)
- Q(b);XS(E)::QAB(M)+K(K)
- S(e);XS(E)::QAB(M)+K(K)
- S(e);N_SPINR(d),XB(L)::QAB(M)+K(K)
- Q(b);::QAB(M)+K(K)
- B(a);::R(I)+P(H),XS(e)
- B(h);::R(I)+P(H),XS(e)
- S(e);::QAB(M)+K(K)
- S(i);::QAB(M)+K(K)
- Refutation
- S(e);
- Try
- S(F);CHECK
- Vars
- P(g);XS(F)::R(I)+P(H),XS(e)
- Refutation
- B(h);XS(F)
- Try
- Actual
- B(G);
- Threat
- DUALS(2)
- Vars
- Q(b);CHECK::QAB(M)+K(K),XQ(b)
- Q(b);CHECK,XP(J)::QAB(M)+K(K),XQ(b)
- Q(b);XP(B)::S(E),XQ(b)
- B(a);XP(C)::QAB(M)+K(K)
- B(a);XS(F)::R(I)+P(H),XS(e)
- S(e);XS(E)::QAB(M)+K(K)
- S(e);N_SPINR(d),XB(L)::QAB(M)+K(K)
- Q(b);::QAB(M)+K(K)
- Q(b);::R(I)+P(H),XS(e)
- S(e);::QAB(M)+K(K)
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).