MESON Chess Problem Database
Problem Display
PID: 105331 (2n4q/2pPBB1r/K1k5/p1N2R2/1b2R1Q1/4n3/2N1p1b1/8 w - - 0 1)
Velimirovic, Milan
Yugoslav Quick Composing Championship, 2001
#2
9 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.d8S#
- 1...Qb2
- 2.d8S#
- 1...Qc3
- 2.d8S#
- 1...Qd4
- 2.Sxd4#
- 1...Qe5
- 2.d8S#
- 1...Qf6
- 2.d8S#
- 1...Qg7
- 2.d8S#
- 1...Qd8
- 2.Sd4#
- 1...Qe8
- 2.Sd4#
- 2.dxe8Q#
- 2.dxe8B#
- 1...Qf8
- 2.Sd4#
- 1...Qg8
- 2.Sd4#
- 1...Rg7
- 2.Sd4#
- 1...Bxc5
- 2.Rxc5#
- 1...Sd1
- 2.Bd5#
- 1...Sf1
- 2.Bd5#
- 1...Sxc2
- 2.Bd5#
- 1...Sc4
- 2.Bd5#
- 1...Sxg4
- 2.Bd5#
- 1...Sd5
- 2.Bxd5#
- 1...Sb6
- 2.Re6#
- 1...Sa7
- 2.Re6#
- 1...Sxe7
- 2.Re6#
- 1...a4
- 2.Sxb4#
- 1...Qa1
- Tries
- 1.Bg8?
- threat
- 2.d8S#
- 1...Qxg8
- 2.Sd4#
- 1...Bxc5
- 2.Rxc5#
- 1...Sxe7
- 2.Re6#
- 1...Qd4
- 2.Sxd4#
- 1...Rxe7!
- threat
- 1.Rfe5?
- threat
- 2.Sd4#
- 1...Qxe5
- 2.d8S#
- 1...Bxc5
- 2.Rxc5#
- 1...Sxc2
- 2.Bd5#
- 1...Sxe7
- 2.Qe6#
- 1...Sf5
- 2.Bd5#
- 1...Bc3!
- threat
- 1.Rf6+?
- 1...Qxf6
- 2.d8S#
- 1...Sd6!
- 1...Qxf6
- 1.Qg6+?
- 1...Qf6
- 2.Sd4#
- 2.d8S#
- 1...Sd6!
- 1...Qf6
- 1.Qg8?
- threat
- 2.d8S#
- 1...Qxg8
- 2.Sd4#
- 1...Sxe7
- 2.Re6#
- 1...Qd4
- 2.Sxd4#
- 1...Bxc5!
- threat
- 1.dxc8Q?
- threat
- 2.Re6#
- 2.Qe6#
- 2.Qb7#
- 2.Qd7#
- 1...Bxe4
- 2.Qe6#
- 2.Qb7#
- 2.Qd7#
- 1...Bxc5
- 2.Rxc5#
- 1...Sxf5
- 2.Qb7#
- 2.Qd7#
- 1...Qd4
- 2.Sxd4#
- 2.Qb7#
- 2.Qa8#
- 1...Qe5
- 2.Qb7#
- 2.Qd7#
- 2.Qa8#
- 2.Qe8#
- 1...Qf6
- 2.Be8#
- 2.Rxf6#
- 2.Qb7#
- 2.Qd7#
- 2.Qa8#
- 2.Qe8#
- 1...Qd8
- 2.Qb7#
- 1...Qe8
- 2.Sd4#
- 2.Bxe8#
- 2.Re6#
- 2.Rf6#
- 2.Qe6#
- 2.Qb7#
- 2.Qg6#
- 2.Qxe8#
- 1...Rh6
- 2.Qb7#
- 2.Qd7#
- 1...Sc4
- 2.Bd5#
- 2.Qb7#
- 2.Qd7#
- 1...Qxc8+!
- threat
- 1.dxc8S?
- threat
- 2.Sa7#
- 2.Re6#
- 1...Bxe4
- 2.Sa7#
- 1...Bxc5
- 2.Rxc5#
- 1...Sxf5
- 2.Sa7#
- 1...Qd4
- 2.Sxd4#
- 2.Sa7#
- 1...Qe5
- 2.Sa7#
- 1...Qf6
- 2.Sa7#
- 2.Be8#
- 2.Rxf6#
- 1...Qd8
- 2.Sa7#
- 1...Rh6
- 2.Sa7#
- 1...Sc4
- 2.Sa7#
- 2.Bd5#
- 1...Qxc8+!
- threat
- 1.dxc8B?
- threat
- 2.Bb7#
- 2.Bd7#
- 2.Re6#
- 1...Bxe4
- 2.Bb7#
- 2.Bd7#
- 1...Bxc5
- 2.Rxc5#
- 1...Sxf5
- 2.Bb7#
- 2.Bd7#
- 1...Qd4
- 2.Sxd4#
- 2.Bb7#
- 1...Qe5
- 2.Bb7#
- 2.Bd7#
- 1...Qf6
- 2.Be8#
- 2.Bb7#
- 2.Bd7#
- 2.Rxf6#
- 1...Qd8
- 2.Bb7#
- 1...Qe8
- 2.Sd4#
- 2.Bxe8#
- 2.Bb7#
- 2.Re6#
- 2.Rf6#
- 2.Qg6#
- 1...Rh6
- 2.Bb7#
- 2.Bd7#
- 1...Sc4
- 2.Bd5#
- 2.Bb7#
- 2.Bd7#
- 1...Qxc8+!
- threat
- 1.d8Q?
- threat
- 2.Qd7#
- 1...Bxc5
- 2.Rxc5#
- 1...Qd4
- 2.Sxd4#
- 1...Qe8
- 2.Sd4#
- 2.Bxe8#
- 2.Qxe8#
- 1...Sb6
- 2.Re6#
- 1...Qxd8!
- threat
- 1.Bg8?
- Keys
- 1.Ree5!
- threat
- 2.Sd4#
- 1...Qxe5
- 2.d8S#
- 1...Bxc5
- 2.Qa4#
- 1...Sxc2
- 2.Qxg2#
- 1...Sxf5
- 2.Qxg2#
- 1...Sxe7
- 2.Re6#
- 1...Bc3
- 2.Qa4#
- threat
- 1.Ree5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 18
- Sets
- Q(j);N_GUARD::P=S
- Q(j);N_GUARD::S(A),XQ(j)
- Q(j);N_GUARD::S(A)
- R(h);S_CUTQ(j)::S(A)
- B(d);OGATE,XS(D)::R1(E),XB(d)
- S(c);N_GUARD::B(I)
- S(c);N_GUARD,XS(A)::B(I)
- S(c);N_GUARD,XQ(C)::B(I)
- S(c);N_GUARD::B(I),XS(c)
- S(i);N_GUARD::R(B)
- S(i);N_GUARD,XB(H)::R(B)
- P(e);N_GUARD::S(A),XB(d)
- Tries
- Try
- B(I);
- Threat
- P=S
- Vars
- Q(j);N_GUARD,XB(I)::S(A)
- B(d);OGATE,XS(D)::R1(E),XB(d)
- S(i);N_GUARD,XB(H)::R(B)
- Q(j);N_GUARD::S(A),XQ(j)
- Refutation
- R(h);XB(H)
- Try
- R(E);
- Threat
- S(A)
- Vars
- Q(j);N_GUARD,XR(E)::P=S
- B(d);OGATE,XS(D)::R1(E),XB(d)
- S(c);N_GUARD,XS(A)::B(I)
- S(i);N_GUARD,XB(H)::QAR2(C)
- S(c);N_GUARD::B(I)
- Refutation
- B(d);
- Try
- R(E);CHECK
- Vars
- Q(j);N_GUARD,S_CUTS(i),XR(E)::P=S
- Refutation
- S(i);P_SPINS(i)
- Try
- Q(C);CHECK
- Refutation
- S(i);P_SPINS(i)
- Try
- Q(C);
- Threat
- P=S
- Vars
- Q(j);N_GUARD,XQ(C)::S(A)
- S(i);N_GUARD,XB(H)::R(B)
- Q(j);N_GUARD::S(A),XQ(j)
- Refutation
- B(d);XS(D)
- Try
- P(G);P_PINP(g),XS(i)
- Threat
- DUALS(4)
- Vars
- B(d);OGATE,XS(D)::R1(E),XB(d)
- Q(j);::QAB1(G)
- Refutation
- Q(j);CHECK,N_SPINP(g),XQ(G)
- Try
- P(G);XS(i)
- Threat
- DUALS(2)
- Vars
- B(b);XR(B)::S(G)
- B(d);OGATE,XS(D)::R1(E),XB(d)
- S(c);XR(E)::S(G)
- Q(j);::S(G)
- R(h);::S(G)
- Refutation
- Q(j);CHECK,XS(G)
- Try
- P(G);XS(i)
- Threat
- DUALS(3)
- Vars
- B(d);OGATE,XS(D)::R1(E),XB(d)
- Q(j);::B(G)
- Refutation
- Q(j);CHECK,XB(G)
- Try
- P(G);
- Threat
- QAB1(G)
- Vars
- B(d);OGATE,XS(D)::R1(E),XB(d)
- Q(j);N_GUARD::S(A),XQ(j)
- S(i);N_GUARD::R(B)
- Refutation
- Q(j);XQ(G)
- Try
- Actual
- R(B);
- Threat
- S(A)
- Vars
- Q(j);N_GUARD,XR(B)::P=S
- B(d);OGATE,XS(D)::QAB(C)
- S(c);N_GUARD,XS(A)::QAB(C),XB(b)
- S(c);N_GUARD,XR(E)::QAB(C),XB(b)
- S(i);N_GUARD,XB(H)::R(B)
- B(d);OGATE::QAB(C)
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).