MESON Chess Problem Database
Problem Display
PID: 196636 (5b2/4Q2q/2BPb3/4n3/K2k1P1n/p1R1Np2/1P2P3/2N5 w - - 0 1)
Benedek, Attila
Suomen Shakki, 1985
#2
10 + 8
SOLUTION
- SOUND
- Sets
- 1...Qb1
- 2.Qa7#
- 1...Qc2+
- 2.Sxc2#
- 1...Qd3
- 2.Qa7#
- 1...Qe4
- 2.Qa7#
- 1...Qf5
- 2.Qa7#
- 1...Qg6
- 2.Qa7#
- 1...Qg8
- 2.Sc2#
- 2.Qa7#
- 1...Qh5
- 2.Sc2#
- 2.Qa7#
- 1...Qh6
- 2.Sc2#
- 2.Qa7#
- 1...Qxe7
- 2.Sc2#
- 1...Qf7
- 2.Sc2#
- 1...Qg7
- 2.Sc2#
- 1...Qh8
- 2.Sc2#
- 2.Qa7#
- 1...Ba2
- 2.Qxe5#
- 1...Bb3+
- 2.Sxb3#
- 1...Bh3
- 2.Sb3#
- 2.Qxe5#
- 1...Bc4
- 2.Qxe5#
- 1...Bg4
- 2.Sb3#
- 2.Qxe5#
- 1...Bd5
- 2.Qxe5#
- 1...Bf5
- 2.Sb3#
- 2.Qxe5#
- 1...Bd7
- 2.Sb3#
- 2.Qxe5#
- 1...Bf7
- 2.Qxe5#
- 2.Qa7#
- 1...Bc8
- 2.Sb3#
- 2.Qxe5#
- 1...Bg8
- 2.Qxe5#
- 1...Bg7
- 2.Qa7#
- 1...Sf5
- 2.Sc2#
- 1...Shg6
- 2.Sc2#
- 1...Sd3
- 2.Sc2#
- 1...Sc4
- 2.Sb3#
- 1...Seg6
- 2.Sc2#
- 1...Sf7
- 2.Qa7#
- 1...fxe2
- 2.Sxe2#
- 1...Qb1
- Tries
- 1.Sf5+?
- 1...Qxf5
- 2.Qa7#
- 2.e3#
- 1...Bxf5
- 2.Sb3#
- 2.Qxe5#
- 2.e3#
- 1...Sxf5!
- 1...Qxf5
- 1.Qxe6?
- threat
- 2.Sb3#
- 2.Qd5#
- 2.Qxe5#
- 1...Qc2+
- 2.Sxc2#
- 1...Bxd6
- 2.Sb3#
- 2.Qd5#
- 2.Qxd6#
- 1...Sxc6
- 2.Sb3#
- 2.Rc4#
- 2.Qc4#
- 2.Qd5#
- 1...axb2
- 2.Qxe5#
- 1...Qd3
- 2.Qxe5#
- 1...Sc4
- 2.Sb3#
- 2.Rxc4#
- 2.Qxc4#
- 2.Qd5#
- 1...Qe4
- 2.Sb3#
- 1...Qf5
- 2.Sb3#
- 2.Qd5#
- 1...Qg8
- 2.Sb3#
- 2.Sc2#
- 2.Qxe5#
- 1...Qh5
- 2.Sb3#
- 2.Sc2#
- 2.Qd5#
- 1...Qb7
- 2.Sc2#
- 2.Qd5#
- 2.Qxe5#
- 1...Qe7
- 2.Sb3#
- 2.Sc2#
- 2.Qd5#
- 1...Qf7
- 2.Sb3#
- 2.Sc2#
- 2.Qxe5#
- 1...Qg7
- 2.Sb3#
- 2.Sc2#
- 2.Qd5#
- 1...Qh8
- 2.Sb3#
- 2.Sc2#
- 2.Qd5#
- 1...Bg7
- 2.Sb3#
- 2.Qd5#
- 1...Shg6
- 2.Sb3#
- 2.Sc2#
- 2.Sf5#
- 2.Qd5#
- 1...Sd3
- 2.Sb3#
- 2.Sc2#
- 2.Rc4#
- 1...Sg4
- 2.Sb3#
- 2.Rc4#
- 2.Qc4#
- 2.Qd5#
- 1...Seg6
- 2.Sb3#
- 2.Sc2#
- 2.Rc4#
- 2.Qc4#
- 2.Qd5#
- 2.Qe4#
- 1...Sd7
- 2.Sb3#
- 2.Rc4#
- 2.Qc4#
- 2.Qd5#
- 1...Sf7
- 2.Sb3#
- 2.Rc4#
- 2.Qc4#
- 2.Qd5#
- 1...Qa7+!
- threat
- 1.Qxh7?
- threat
- 2.Sc2#
- 2.Qe4#
- 2.Qa7#
- 1...Bb3+
- 2.Sxb3#
- 1...Bxd6
- 2.Sc2#
- 2.Qe4#
- 1...Sxc6
- 2.Qd3#
- 1...Bc4
- 2.Qa7#
- 1...Sd3
- 2.Sc2#
- 2.Qxd3#
- 2.Qe4#
- 1...Sc4
- 2.Sb3#
- 1...Bd5
- 2.Sc2#
- 1...Bf5
- 2.Sb3#
- 2.Qa7#
- 1...Bd7
- 2.Sb3#
- 2.Sc2#
- 2.Qe4#
- 1...Bf7
- 2.Sc2#
- 2.Qe4#
- 1...Be7
- 2.Sc2#
- 2.Qe4#
- 1...Bg7
- 2.Sc2#
- 2.Qe4#
- 1...Sf5
- 2.Sc2#
- 2.Qa7#
- 1...Shg6
- 2.Sc2#
- 2.Qa7#
- 1...Seg6
- 2.Sc2#
- 2.Qa7#
- 1...Sd7
- 2.Sc2#
- 2.Qd3#
- 2.Qe4#
- 1...Sf7
- 2.Sc2#
- 2.Qd3#
- 2.Qe4#
- 1...axb2!
- threat
- 1.Sf5+?
- Keys
- 1.exf3!
- threat
- 2.Se2#
- 1...Qc2+
- 2.Sxc2#
- 1...Bb3+
- 2.Sxb3#
- 1...Qd3
- 2.Qa7#
- 1...Bc4
- 2.Qxe5#
- 1...Sd3
- 2.Sc2#
- 1...Sc4
- 2.Sb3#
- threat
- 1.exf3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 16
- Sets
- Q(g);N_GUARD::QAB(J)
- Q(g);CHECK,N_GUARD::S(E),XQ(g)
- Q(g);N_GUARD,XQ(J)::S(E)
- Q(g);N_GUARD::S(E)
- B(f);OGATE::QAB1(J),XS(e)
- B(f);CHECK,N_GUARD::S(A),XB(f)
- B(h);S_CUTQ(g)::QAB(J)
- S(d);S_CUTQ(g)::S(E)
- S(e);S_CUTQ(g)::S(E)
- S(e);S_CUTB(f)::S(A)
- S(e);S_CUTQ(g)::QAB(J)
- P(b);XP(C)::S(A),XP(b)
- Tries
- Try
- S(E);CHECK
- Refutation
- S(d);XS(E)
- Try
- Q(J);XB(f)
- Threat
- DUALS(3)
- Vars
- Q(g);CHECK,N_GUARD::S(E),XQ(g)
- P(a);XP(B)::QAB1(J),XS(e)
- Q(g);::QAB1(J),XS(e)
- Q(g);::S(A)
- Refutation
- Q(g);CHECK
- Try
- Q(J);XQ(g)
- Threat
- DUALS(3)
- Vars
- B(f);CHECK,N_GUARD::S(A),XB(f)
- S(e);N_GUARD,XB(H)::QAR1(J)
- B(f);::QAB(J)
- S(e);S_CUTB(f)::S(A)
- B(f);::S(E)
- Refutation
- P(a);XP(B)
- Try
- Actual
- P(C);XP(b)
- Threat
- S(A)
- Vars
- Q(g);CHECK,N_GUARD::S(E),XQ(g)
- B(f);CHECK,N_GUARD::S(A),XB(f)
- Q(g);N_GUARD::QAB(J)
- B(f);OGATE::QAB1(J),XS(e)
- S(e);S_CUTQ(g)::S(E)
- S(e);S_CUTB(f)::S(A)
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).