MESON Chess Problem Database
Problem Display
PID: 107981 (5R1K/2pPP1Bp/1ppP4/2b1N1pq/2Qpk3/1B6/1r1p4/1b1N1R2 w - - 0 1)
Dyachuk, Vasyl Vasilovich
1/2 Prize, Sachova skladba, 2003
#2
11 + 12
| 6490 | yacpdb | 2009 |
| 15174 | FIDE Album (2001-2003) | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Qe2
- 2.Qxe2#
- 1...Qg6
- 2.Qe2#
- 1...Qf7
- 2.Qe2#
- 1...Qe8
- 2.Qe2#
- 1...Qh1
- 2.Qe2#
- 1...Qh4
- 2.Qe2#
- 1...Qh6
- 2.Qe2#
- 1...Rc2
- 2.Qd3#
- 1...Ba2
- 2.Qd3#
- 1...Bd3
- 2.Qxd3#
- 1...Ba3
- 2.Qxc6#
- 1...Bb4
- 2.Qxc6#
- 1...Bxd6
- 2.Qxc6#
- 1...g4
- 2.R1f4#
- 2.R8f4#
- 2.Qe2#
- 1...Qe2
- Tries
- 1.Sg4?
- threat
- 2.Sdf2#
- 2.Sc3#
- 2.Sgf2#
- 2.Qe2#
- 1...Rxb3
- 2.Sdf2#
- 2.Sgf2#
- 1...Qf7
- 2.Sc3#
- 2.Qe2#
- 1...Qh2
- 2.Sc3#
- 1...Qh3
- 2.Sdf2#
- 2.Sgf2#
- 2.e8Q#
- 2.e8R#
- 1...Qh4
- 2.Sc3#
- 2.Qe2#
- 2.e8Q#
- 2.e8R#
- 1...Rc2
- 2.Sdf2#
- 2.Sgf2#
- 2.Qe2#
- 1...Bd3
- 2.Sdf2#
- 2.Sc3#
- 2.Sgf2#
- 2.Qe6#
- 1...Bb4
- 2.Sdf2#
- 2.Sgf2#
- 2.Qe2#
- 2.Qxd4#
- 1...Qxg4!
- threat
- 1.Sf7?
- threat
- 2.e8Q#
- 2.e8R#
- 1...Qxd1
- 2.e8Q#
- 2.e8R#
- 1...Qxf7
- 2.Qe2#
- 1...Rxb3
- 2.e8Q#
- 2.e8R#
- 1...Bxd6
- 2.Qxd4#
- 1...cxd6
- 2.e8Q#
- 2.e8R#
- 1...Qf3
- 2.Sxg5#
- 1...Qe2
- 2.Sxg5#
- 2.Qxe2#
- 2.e8Q#
- 2.e8R#
- 1...Qg6
- 2.Qe2#
- 1...Qh1
- 2.Sxg5#
- 2.Qe2#
- 2.e8Q#
- 2.e8R#
- 1...Qh2
- 2.Sxg5#
- 1...Qh3
- 2.Sxg5#
- 1...Qh4
- 2.Qe2#
- 2.e8Q#
- 2.e8R#
- 1...Qh6
- 2.Qe2#
- 1...Ra2
- 2.e8Q#
- 2.e8R#
- 1...Rc2
- 2.e8Q#
- 2.e8R#
- 1...Ba2
- 2.e8Q#
- 2.e8R#
- 1...Bc2
- 2.e8Q#
- 2.e8R#
- 1...Bd3
- 2.Qe6#
- 2.e8Q#
- 2.e8R#
- 1...Ba3
- 2.Qxd4#
- 2.e8Q#
- 2.e8R#
- 1...Bb4
- 2.Qxd4#
- 2.e8Q#
- 2.e8R#
- 1...g4
- 2.Qe2#
- 1...b5
- 2.e8Q#
- 2.e8R#
- 1...h6
- 2.e8Q#
- 2.e8R#
- 1...Qg4!
- threat
- 1.R1f3?
- threat
- 2.Sf2#
- 2.Sc3#
- 2.Re3#
- 2.Qe2#
- 1...Rxb3
- 2.Sf2#
- 1...Qf7
- 2.Sf2#
- 2.Sc3#
- 2.Qe2#
- 1...Qh2
- 2.Sc3#
- 2.Re3#
- 1...Qh3
- 2.Sf2#
- 2.Sc3#
- 2.Qe2#
- 1...Qh4
- 2.Sc3#
- 2.Re3#
- 2.Qe2#
- 1...Rc2
- 2.Sf2#
- 2.Re3#
- 2.Qe2#
- 2.Qd3#
- 1...Bd3
- 2.Sf2#
- 2.Sc3#
- 2.Re3#
- 2.Qxd3#
- 1...Bb4
- 2.Sf2#
- 2.Re3#
- 2.Qe2#
- 2.Qxc6#
- 1...Qxf3!
- threat
- 1.e8Q?
- threat
- 2.Sg6#
- 2.Sf7#
- 1...Qxe8
- 2.Qe2#
- 1...Bxd6
- 2.Qxc6#
- 1...Qg4
- 2.Sxg4#
- 1...Qf3
- 2.Sd3#
- 2.Sxf3#
- 2.Sg4#
- 2.Sxc6#
- 2.Sg6#
- 1...Qg6
- 2.Sxg6#
- 2.Qe2#
- 1...Qf7
- 2.Sxf7#
- 2.Qe2#
- 1...Qh3
- 2.Sg4#
- 1...Qh6
- 2.Sg6#
- 2.Qe2#
- 1...g4
- 2.R1f4#
- 2.R8f4#
- 2.Qe2#
- 1...Qh2!
- threat
- 1.e8R?
- threat
- 2.Sg6#
- 2.Sf7#
- 1...Qxe8
- 2.Qe2#
- 1...Bxd6
- 2.Qxc6#
- 1...Qf3
- 2.Sd3#
- 2.Sxf3#
- 2.Sg4#
- 2.Sxc6#
- 2.Sg6#
- 1...Qg4
- 2.Sxg4#
- 1...Qg6
- 2.Sxg6#
- 2.Qe2#
- 1...Qf7
- 2.Sxf7#
- 2.Qe2#
- 1...Qh3
- 2.Sg4#
- 1...Qh6
- 2.Sg6#
- 2.Qe2#
- 1...g4
- 2.R1f4#
- 2.R8f4#
- 2.Qe2#
- 1...Qh2!
- threat
- 1.Sg4?
- Keys
- 1.Sf3!
- threat
- 2.Qe2#
- 1...Qxf3
- 2.e8Q#
- 2.e8R#
- 1...Rxb3
- 2.Sxd2#
- 1...Qf7
- 2.Sxg5#
- 1...Qh2
- 2.Sxg5#
- 1...Bd3
- 2.Qe6#
- threat
- 1.Sf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 11
- Sets
- Q(h);N_GUARD::QAR2(D),XQ(h)
- Q(h);N_GUARD::QAR2(D)
- Q(h);N_GUARD,P_PINR(J)::QAR2(D)
- R(b);S_CUTB(a)::QAB1(D)
- B(a);N_GUARD::QAB1(D)
- B(a);N_GUARD::QAB1(D),XB(a)
- B(f);OGATE::QAB(D),XP(j)
- B(f);OGATE,XP(F)::QAB(D),XP(j)
- Tries
- Try
- S(E);
- Threat
- DUALS(4)
- Vars
- Q(h);::S(A)
- Refutation
- Q(h);XS(E)
- Try
- S(E);
- Threat
- P=Q
- Vars
- Q(h);XS(A)::P=Q
- Q(h);N_GUARD,XS(E)::QAR2(D)
- R(b);XB(C)::P=Q
- B(f);N_GUARD,XP(F)::QAR1(D),XP(d)
- P(k);XP(F)::P=Q
- Q(h);N_GUARD::S(E),XP(g)
- Q(h);N_GUARD::QAR2(D)
- R(b);::P=Q
- B(a);::P=Q
- P(g);S_CUTQ(h)::QAR2(D)
- P(i);::P=Q
- P(l);::P=Q
- Refutation
- Q(h);
- Try
- R(B);
- Threat
- DUALS(4)
- Vars
- R(b);XB(C)::S(A)
- Refutation
- Q(h);XR(B)
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD,P_PINR(J),XQ(H)::QAR2(D)
- B(f);OGATE,XP(F)::QAB(D),XP(j)
- Q(h);N_GUARD::QAR(H)+S(E),XQ(h)
- Q(h);N_GUARD::QAR(H)+S(E)
- Refutation
- Q(h);
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- Q(h);N_GUARD,P_PINR(J),XR(H)::QAR2(D)
- B(f);OGATE,XP(F)::QAB(D),XP(j)
- Q(h);N_GUARD::R(H)+S(E),XQ(h)
- Q(h);N_GUARD::R(H)+S(E)
- Refutation
- Q(h);
- Try
- Actual
- S(E);
- Threat
- QAR2(D)
- Vars
- Q(h);N_GUARD,XS(E)::P=Q
- R(b);N_GUARD,XB(C)::S(E),XP(c)
- Q(h);N_GUARD::S(E),XP(g)
- B(a);SBLOCK::QAR2(D)
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).