MESON Chess Problem Database
Problem Display
PID: 247204 (B3Q2r/B3p1Pp/1K1ppp2/2p1kPp1/4N3/4P1N1/1b4P1/7q w - - 0 1)
Dyachuk, Vasyl Vasilovich
Kopyl, Valery Volodimirovich
Kozyura, Gennady Volodimirovich
Uralski Problemist, 2010
#2
10 + 11
SOLUTION
- SOUND
- Sets
- 1...d5
- 2.Bb8#
- 1...exf5
- 2.Qxe7#
- 1...d5
- Tries
- 1.Sd2?
- threat
- 2.Sf3#
- 2.Sc4#
- 1...Qxg2
- 2.Sc4#
- 1...exf5
- 2.Qxe7#
- 1...d5
- 2.Bb8#
- 1...Qc1
- 2.Sf3#
- 1...Qd1
- 2.Sc4#
- 1...Qh4
- 2.Sf3#
- 1...Qh5
- 2.Sc4#
- 1...c4
- 2.Sf3#
- 2.Sxc4#
- 1...g4
- 2.Sc4#
- 1...Qf1!
- threat
- 1.Sf2?
- threat
- 2.Sd3#
- 2.Sg4#
- 1...exf5
- 2.Qxe7#
- 1...d5
- 2.Bb8#
- 1...Qb1
- 2.Sg4#
- 1...Qf1
- 2.Sg4#
- 1...Qh3
- 2.Sd3#
- 1...Qh4
- 2.Sd3#
- 1...Qh5
- 2.Sd3#
- 1...c4
- 2.Sg4#
- 1...g4
- 2.Sd3#
- 2.Sxg4#
- 1...h5
- 2.Sd3#
- 1...Qd1!
- threat
- 1.Sxc5?
- threat
- 2.Sd3#
- 2.Sd7#
- 1...dxc5
- 2.Bb8#
- 1...exf5
- 2.Qxe7#
- 1...d5
- 2.Bb8#
- 1...Qb1
- 2.Sd7#
- 1...Qd1
- 2.Sd7#
- 1...Qf1
- 2.Sd7#
- 1...Bd4!
- threat
- 1.Sxg5?
- threat
- 2.Sf3#
- 2.Sf7#
- 1...Qxg2
- 2.Sf7#
- 1...exf5
- 2.Qxe7#
- 1...fxg5
- 2.gxh8Q#
- 2.gxh8B#
- 1...d5
- 2.Sf7#
- 2.Bb8#
- 1...Qd1
- 2.Sf7#
- 1...Qf1
- 2.Sf7#
- 1...Rf8
- 2.Sf3#
- 1...Qh5!
- threat
- 1.Sxf6?
- threat
- 2.Sg4#
- 2.Sd7#
- 1...Kxf6
- 2.gxh8Q#
- 2.gxh8B#
- 1...exf5
- 2.Qxe7#
- 1...exf6
- 2.Qxe6#
- 1...Qd1
- 2.Sd7#
- 1...Qh3
- 2.Sd7#
- 1...Qh4
- 2.Sd7#
- 1...Qh5
- 2.Sd7#
- 1...g4
- 2.Sxg4#
- 2.Sd7#
- 1...h5
- 2.Sd7#
- 1...d5!
- threat
- 1.Qd7?
- threat
- 2.Qxe6#
- 1...exf5
- 2.Qxf5#
- 2.Qxe7#
- 1...Rb8+!
- threat
- 1.Qf7?
- threat
- 2.Qxe6#
- 1...exf5
- 2.Qd5#
- 2.Qxe7#
- 1...Rb8+!
- threat
- 1.Qxe7?
- threat
- 2.Qxd6#
- 2.Qxf6#
- 2.Qxe6#
- 1...Rxa8
- 2.Qxd6#
- 2.Qxe6#
- 1...Qd1
- 2.Qxf6#
- 2.Qxe6#
- 1...Qh6
- 2.Qxd6#
- 2.Qxe6#
- 1...Rd8
- 2.Qxf6#
- 2.Qxe6#
- 1...Re8
- 2.Qxd6#
- 2.Qxf6#
- 1...Rf8
- 2.Qxd6#
- 2.Qxe6#
- 1...d5
- 2.Qd6#
- 2.Qxf6#
- 2.Qxe6#
- 2.Qc7#
- 1...Rb8+!
- threat
- 1.Qc8?
- threat
- 2.Qxe6#
- 1...exf5
- 2.Qxf5#
- 1...Rxc8!
- threat
- 1.Qg8?
- threat
- 2.Qxe6#
- 1...exf5
- 2.Qd5#
- 1...Rxg8!
- threat
- 1.gxh8S?
- threat
- 2.Sf7#
- 1...exf5
- 2.Qxe7#
- 1...Qh5!
- threat
- 1.g8Q?
- threat
- 2.Qxe6#
- 1...exf5
- 2.Qd5#
- 2.Qxe7#
- 1...Rxg8!
- threat
- 1.Sd2?
- Keys
- 1.Sxd6!
- threat
- 2.Sc4#
- 2.Sf7#
- 1...Kxd6
- 2.Bb8#
- 1...exf5
- 2.Qxe7#
- 1...exd6
- 2.Qxe6#
- 1...Qc1
- 2.Sf7#
- 1...Qf1
- 2.Sf7#
- 1...Qh4
- 2.Sf7#
- 1...Qh5
- 2.Sc4#
- 1...Rf8
- 2.Sc4#
- 1...c4
- 2.Sxc4#
- 2.Sf7#
- threat
- 1.Sxd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 1
- Sets
- P(f);OGATEB::B(G)
- P(g);OGATEB,P_SPINP(i),XP(E)::QAR2(J),XP(i)
- Tries
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- Q(a);XP(A)::S(D)
- P(g);OGATEB,P_SPINP(i),XP(E)::QAR2(J),XP(i)
- P(f);OGATEB::B(G)
- Q(a);::S(D)
- P(e);::S(D)
- Refutation
- Q(a);
- Try
- S(D);
- Threat
- DUALS(2)
- Vars
- P(g);OGATEB,P_SPINP(i),XP(E)::QAR2(J),XP(i)
- P(f);OGATEB::B(G)
- Q(a);::S(D)
- P(c);::S(D)
- P(j);::S(D)
- Refutation
- Q(a);
- Try
- S(D);XP(c)
- Threat
- DUALS(2)
- Vars
- P(f);OGATEB,XS(D)::B(G)
- P(g);OGATEB,P_SPINP(i),XP(E)::QAR2(J),XP(i)
- P(f);OGATEB::B(G)
- Q(a);::S(D)
- Refutation
- B(b);P_PINS(D)
- Try
- S(D);XP(e)
- Threat
- DUALS(2)
- Vars
- Q(a);XP(A)::S(D)
- P(g);OGATEB,P_SPINP(i),XP(E)::QAR2(J),XP(i)
- P(h);XS(D)::PXR(k)=Q
- Q(a);::S(D)
- R(k);::S(D)
- Refutation
- Q(a);
- Try
- S(D);XP(h)
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT,XS(D)::PXR(k)=Q
- P(g);OGATEB,P_SPINP(i),XP(E)::QAR2(J),XP(i)
- P(i);OGATE,P_SPINP(g),XS(D)::QAR1(J),XP(g)
- Q(a);::S(D)
- P(j);::S(D)
- Refutation
- P(f);
- Try
- Q(J);
- Threat
- QAR1(J),XP(g)
- Refutation
- R(k);CHECK
- Try
- Q(J);
- Threat
- QAR1(J),XP(g)
- Refutation
- R(k);CHECK
- Try
- Q(J);P_PINP(g),XP(i)
- Threat
- DUALS(3)
- Refutation
- R(k);CHECK
- Try
- Q(J);
- Threat
- QAR1(J),XP(g)
- Vars
- P(g);OGATE,XP(E)::QAR1(J),XP(g)
- Refutation
- R(k);XQ(J)
- Try
- Q(J);
- Threat
- QAR1(J),XP(g)
- Vars
- P(g);OGATE,XP(E)::QAR1(J)
- Refutation
- R(k);XQ(J)
- Try
- P(H);XR(k)
- Threat
- S(H)
- Vars
- P(g);OGATEB,P_SPINP(i),XP(E)::QAR2(J),XP(i)
- Refutation
- Q(a);
- Try
- P(H);
- Threat
- QAR1(H),XP(g)
- Refutation
- R(k);XQ(H)
- Try
- Actual
- S(D);XP(f)
- Threat
- DUALS(2)
- Vars
- K(d);OGATEB,S_FLIGHT,XS(D)::B(G)
- P(g);OGATEB,P_SPINP(i),XP(E)::QAR2(J),XP(i)
- P(i);OGATE,P_SPINP(g),XS(D)::QAR1(J),XP(g)
- Q(a);::S(D)
- R(k);::S(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).