MESON Chess Problem Database
Problem Display
PID: 71033 (1B1n1n2/4P1p1/r3kqbR/3NNp2/5p1p/1Q3B1K/8/8 w - - 0 1)
Velimirovic, Milan
Mat Plus, 1998
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Qxe5
- 2.e8Q#
- 1...Qg5
- 2.exf8S#
- 1...Qf7
- 2.exd8S#
- 1...Bh5
- 2.exd8S#
- 2.exf8S#
- 1...Bf7
- 2.exd8S#
- 2.exf8S#
- 1...Bh7
- 2.exd8S#
- 2.exf8S#
- 2.e8Q#
- 2.e8R#
- 1...Be8
- 2.exd8S#
- 2.exf8S#
- 1...Sf7
- 2.exf8S#
- 1...Qxe5
- Tries
- 1.Sxf6+?
- 1...Kxf6
- 2.exd8Q#
- 2.exd8B#
- 1...Kxe7!
- 1...Kxf6
- 1.Rxg6?
- threat
- 2.exd8S#
- 2.exf8S#
- 2.e8Q#
- 2.e8R#
- 1...Qxg6
- 2.exd8S#
- 2.exf8S#
- 1...Ra1
- 2.exd8S#
- 2.exf8S#
- 2.e8Q#
- 2.e8R#
- 1...Ra2
- 2.exd8S#
- 2.exf8S#
- 2.e8Q#
- 2.e8R#
- 1...Ra3
- 2.exd8S#
- 2.exf8S#
- 2.e8Q#
- 2.e8R#
- 1...Ra4
- 2.exd8S#
- 2.exf8S#
- 2.e8Q#
- 2.e8R#
- 1...Ra5
- 2.exd8S#
- 2.exf8S#
- 2.e8Q#
- 2.e8R#
- 1...Rb6
- 2.exd8S#
- 2.exf8S#
- 2.e8Q#
- 2.e8R#
- 1...Rc6
- 2.exd8S#
- 2.exf8S#
- 2.e8Q#
- 2.e8R#
- 1...Ra7
- 2.exd8S#
- 2.exf8S#
- 1...Ra8
- 2.exd8S#
- 2.exf8S#
- 2.e8Q#
- 2.e8R#
- 1...Sc6
- 2.exf8S#
- 1...Sb7
- 2.exf8S#
- 2.e8Q#
- 2.e8R#
- 1...Sf7
- 2.exf8S#
- 2.e8Q#
- 2.e8R#
- 1...Sd7
- 2.exd8S#
- 2.e8Q#
- 2.e8R#
- 1...Sh7
- 2.exd8S#
- 2.e8Q#
- 2.e8R#
- 1...Sxg6!
- threat
- 1.Qa3?
- threat
- 2.Sxf4#
- 1...Qxe5
- 2.e8Q#
- 1...Qxe7
- 2.Qxe7#
- 1...Rd6
- 2.Qxd6#
- 1...Qg5
- 2.exf8S#
- 1...Qf7
- 2.exd8S#
- 1...Ra4
- 2.Qd6#
- 1...Rxa3!
- threat
- 1.exd8Q?
- threat
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sxf4#
- 2.Sb6#
- 2.Sxf6#
- 2.Se7#
- 1...Qxe5
- 2.Sxf4#
- 2.Sc7#
- 2.Qe7#
- 2.Qe8#
- 1...Rd6
- 2.Qxd6#
- 1...Qg5
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sxf4#
- 2.Sb6#
- 2.Sf6#
- 1...Qe7
- 2.Qxe7#
- 1...Qf7
- 2.Sc3#
- 2.Se3#
- 2.Sb4#
- 2.Sxf4#
- 2.Sb6#
- 2.Sf6#
- 1...Ra3
- 2.Sxf4#
- 2.Qdb6#
- 2.Qbb6#
- 2.Qd6#
- 1...Ra4
- 2.Sb4#
- 2.Sxf4#
- 2.Qdb6#
- 2.Qbb6#
- 2.Qd6#
- 1...Ra5
- 2.Sxf4#
- 2.Qdb6#
- 2.Qbb6#
- 2.Qd6#
- 1...Rb6
- 2.Sb4#
- 2.Sxf4#
- 2.Sxb6#
- 2.Qdxb6#
- 2.Qbxb6#
- 1...Rc6
- 2.Sxf4#
- 1...Qxd8!
- threat
- 1.e8Q+?
- 1...Qe7
- 2.Qxe7#
- 1...Bxe8!
- 1...Qe7
- 1.e8R+?
- 1...Qe7
- 2.Rxe7#
- 1...Bxe8!
- 1...Qe7
- 1.Sxf6+?
- Keys
- 1.Qb4!
- threat
- 2.Sxf4#
- 1...Qxe5
- 2.e8Q#
- 1...Qxe7
- 2.Qxe7#
- 1...Rd6
- 2.Qxd6#
- 1...Qg5
- 2.exf8S#
- 1...Qf7
- 2.exd8S#
- threat
- 1.Qb4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- Q(f);N_GUARD,P_SPINB(g),XS(E)::P=Q
- Q(f);N_GUARD,P_SPINB(g)::PXS(j)=S
- Q(f);N_GUARD,P_SPINB(g)::PXS(i)=S
- S(i);S_CUTQ(f)::PXS(j)=S
- Tries
- Try
- S(D);CHECK,XQ(f)
- Vars
- K(e);P-FLIGHT,P_SPINB(g),XS(D)::PXS(i)=Q
- Refutation
- K(e);P-FLIGHT,XP(G)
- Try
- R(F);P_PINQ(f),XB(g)
- Threat
- DUALS(4)
- Vars
- S(i);::PXS(j)=S
- Refutation
- S(j);N_SPINQ(f),XR(F)
- Try
- Q(A);
- Threat
- S(D),XP(a)
- Vars
- Q(f);N_GUARD,P_SPINB(g),XS(E)::P=Q
- Q(f);OGATE,P_SPINB(g),XP(G)::QAR1(A),XQ(f)
- R(d);N_GUARD::QAR1(A),XR(d)
- Q(f);N_GUARD,P_SPINB(g)::PXS(j)=S
- Q(f);N_GUARD,P_SPINB(g)::PXS(i)=S
- R(d);N_GUARD::QAR1(A)
- Refutation
- R(d);P_PINB(B),XQ(A)
- Try
- P(G);XS(i)
- Threat
- DUALS(7)
- Vars
- R(d);N_GUARD::QAR1(G),XR(d)
- Q(f);N_GUARD,P_SPINB(g)::QAR1(G),XQ(f)
- R(d);::QAB(A)+S(D),DCHECK,XP(a)
- Refutation
- Q(f);P_SPINB(g),XQ(G)
- Try
- P(G);CHECK
- Vars
- Q(f);N_GUARD,P_SPINB(g),P_SPINQ(f)::QAR1(G),XQ(f)
- Refutation
- B(g);P_SPINQ(f),XQ(G)
- Try
- P(G);CHECK
- Vars
- Q(f);N_GUARD,P_SPINB(g),P_SPINQ(f)::R1(G),XQ(f)
- Refutation
- B(g);P_SPINQ(f),XR(G)
- Try
- Actual
- Q(A);
- Threat
- S(D),XP(a)
- Vars
- Q(f);N_GUARD,P_SPINB(g),XS(E)::P=Q
- Q(f);OGATE,P_SPINB(g),XP(G)::QAR1(A),XQ(f)
- R(d);N_GUARD::QAR1(A),XR(d)
- Q(f);N_GUARD,P_SPINB(g)::PXS(j)=S
- Q(f);N_GUARD,P_SPINB(g)::PXS(i)=S
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).