MESON Chess Problem Database
Problem Display
PID: 60902 (8/8/B1Qn2rq/2PN2P1/pR2N1p1/Rb3k1p/3P3B/6K1 w - - 0 1)
Dyachuk, Vasyl Vasilovich
Problemas, 1998
#2
11 + 8
SOLUTION
- SOUND
- Tries
- 1.Sec3?
- threat
- 2.Be2#
- 2.Rf4#
- 1...Qxg5
- 2.Be2#
- 1...Qf8
- 2.Be2#
- 1...Re6
- 2.Rf4#
- 1...Rf6
- 2.Be2#
- 1...Bd1
- 2.Sxd1#
- 2.Rf4#
- 1...Sc4
- 2.Sf6#
- 1...Se4
- 2.Be2#
- 1...Sb5
- 2.Rf4#
- 1...Bc4!
- threat
- 1.Sg3?
- threat
- 2.Be2#
- 2.Rf4#
- 1...Qxg5
- 2.Be2#
- 1...Qf8
- 2.Be2#
- 1...Re6
- 2.Rf4#
- 1...Rf6
- 2.Be2#
- 1...Se4
- 2.Be2#
- 1...Sb5
- 2.Sf6#
- 2.Rf4#
- 1...Sc4!
- threat
- 1.Sxd6?
- threat
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 2.Rf4#
- 1...Rxg5
- 2.Rf4#
- 1...Rxd6
- 2.Rf4#
- 1...Qf8
- 2.Sf4#
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 1...Re6
- 2.Rf4#
- 1...Rf6
- 2.Sf4#
- 2.Sb6#
- 2.Sxf6#
- 2.Sc7#
- 2.Se7#
- 1...g3
- 2.Sb6#
- 2.Sf6#
- 2.Sc7#
- 2.Se7#
- 2.Rf4#
- 1...Qxg5!
- threat
- 1.Sf4?
- threat
- 2.Sxd6#
- 2.Be2#
- 1...Qxg5
- 2.Sxg5#
- 2.Be2#
- 1...Rxg5
- 2.Sxg5#
- 2.Be2#
- 1...Sxe4
- 2.Be2#
- 2.Qxe4#
- 1...Re6
- 2.Be2#
- 1...Sc4
- 2.Sd6#
- 2.Sf6#
- 1...Sb5
- 2.Sd6#
- 2.Sf6#
- 1...Sf5
- 2.Sd6#
- 2.Sf6#
- 2.Be2#
- 1...Sb7
- 2.Sd6#
- 2.Sf6#
- 2.Be2#
- 1...Sf7
- 2.Sd6#
- 2.Sf6#
- 2.Be2#
- 1...Sc8
- 2.Sd6#
- 2.Sf6#
- 2.Be2#
- 1...Se8
- 2.Sd6#
- 2.Sf6#
- 2.Be2#
- 1...g3!
- threat
- 1.Qxd6?
- threat
- 2.Qg3#
- 2.Qf4#
- 1...Qxg5
- 2.Qg3#
- 1...g3
- 2.Qxg3#
- 2.Qf4#
- 1...Qf8
- 2.Qg3#
- 1...Qh4
- 2.Qf4#
- 1...Rf6
- 2.Qg3#
- 1...Rxd6!
- threat
- 1.Sec3?
- Keys
- 1.Sdf6!
- threat
- 2.Sxd6#
- 1...Qxg5
- 2.Sxg5#
- 1...Rxg5
- 2.Sxg5#
- 1...Sxe4
- 2.Qxe4#
- 1...Sc4
- 2.Sc3#
- 1...Sb5
- 2.Sg3#
- 1...Sf5
- 2.Sf2#
- 2.Sg3#
- 2.Sd6#
- 1...Sb7
- 2.Sf2#
- 2.Sg3#
- 2.Sd6#
- 1...Sf7
- 2.Sf2#
- 2.Sg3#
- 2.Sd6#
- 1...Sc8
- 2.Sf2#
- 2.Sg3#
- 2.Sd6#
- 1...Se8
- 2.Sf2#
- 2.Sg3#
- 2.Sd6#
- threat
- 1.Sdf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(F);N_PINB(a)
- Threat
- DUALS(2)
- Vars
- Q(h);XP(I)::B(J)
- Q(h);::B(J)
- R(g);::R1(E)
- R(g);::B(J)
- S(f);N_GUARD,S_CUTB(a)::QAB(K)+S(H)
- S(f);::B(J)
- S(f);::R1(E)
- Refutation
- B(a);
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(h);XP(I)::B(J)
- Q(h);::B(J)
- R(g);::R1(E)
- R(g);::B(J)
- S(f);::B(J)
- Refutation
- S(f);
- Try
- S(F);XS(f)
- Threat
- DUALS(6)
- Vars
- R(g);XP(I)::R1(E)
- R(g);XS(F)::R1(E)
- R(g);::R1(E)
- Refutation
- Q(h);XP(I)
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(g);::B(J)
- Refutation
- P(e);
- Try
- Q(K);XS(f)
- Threat
- DUALS(2)
- Vars
- Q(h);XP(I)::QAR1(K)
- Q(h);::QAR1(K)
- R(g);::QAR1(K)
- Refutation
- R(g);XQ(K)
- Try
- Actual
- S(H);
- Threat
- QAB(K)+S(F),XS(f)
- Vars
- Q(h);XP(I)::QAB(K)+S(F),DCHECK,XQ(h)
- R(g);XP(I)::QAB(K)+S(F),DCHECK,XR(g)
- S(f);OGATE,P_SPINS(f),XS(F)::QAB1(K),XS(f)
- S(f);N_GUARD::QAB(K)+S(F)
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).