MESON Chess Problem Database
Problem Display
PID: 12217 (2n1q1n1/b4r2/3pr3/4k1B1/3NbNP1/1QPR2Pp/1p2K1P1/4R3 w - - 0 1)
Fleck, Ferenc
2nd Place, Pedagogusok Lapja, 1976
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Qa4
- 2.Qxe6#
- 1...Qb5
- 2.Qxe6#
- 1...Qc6
- 2.Qxe6#
- 1...Qd8
- 2.Qxe6#
- 1...Qf8
- 2.Qxe6#
- 1...Rxf4
- 2.gxf4#
- 1...Bxd3+
- 2.Kxd3#
- 1...Bf3+
- 2.Kxf3#
- 1...Bd5
- 2.Qxd5#
- 1...Bf5
- 2.Qd5#
- 1...Bg6
- 2.Qd5#
- 1...Bh7
- 2.Qd5#
- 1...Bxd4
- 2.cxd4#
- 1...Sce7
- 2.Qxe6#
- 1...Sge7
- 2.Qxe6#
- 1...Qa4
- Tries
- 1.Kf1?
- threat
- 2.Sf3#
- 2.Qd5#
- 1...Rxf4+
- 2.gxf4#
- 1...Bxd4
- 2.Qd5#
- 2.cxd4#
- 1...d5
- 2.Qxd5#
- 1...Qb5
- 2.Sf3#
- 2.Qxe6#
- 1...Qc6
- 2.Sf3#
- 2.Sxc6#
- 2.Qxe6#
- 1...Sb6
- 2.Sf3#
- 1...Sce7
- 2.Sf3#
- 2.Qxe6#
- 1...Sf6
- 2.Sf3#
- 2.Sg6#
- 1...Sge7
- 2.Sf3#
- 2.Qxe6#
- 1...hxg2+!
- threat
- 1.Kd2?
- threat
- 2.Sf3#
- 2.Qd5#
- 1...Rxf4
- 2.gxf4#
- 1...Bxd4
- 2.Qd5#
- 2.cxd4#
- 1...d5
- 2.Qxd5#
- 1...Qb5
- 2.Sf3#
- 2.Qxe6#
- 1...Qc6
- 2.Sf3#
- 2.Sxc6#
- 2.Qxe6#
- 1...Sb6
- 2.Sf3#
- 1...Sce7
- 2.Sf3#
- 2.Qxe6#
- 1...Sf6
- 2.Sf3#
- 2.Sg6#
- 1...Sge7
- 2.Sf3#
- 2.Qxe6#
- 1...b1S+!
- threat
- 1.Sc6+?
- 1...Qxc6
- 2.Qxe6#
- 1...Bxc6!
- 1...Qxc6
- 1.Re3?
- threat
- 2.Sf3#
- 2.Sd3#
- 2.Qd5#
- 1...Rxf4
- 2.gxf4#
- 1...Bxd4
- 2.Sd3#
- 2.Qd5#
- 1...d5
- 2.Qxd5#
- 1...b1Q
- 2.Sf3#
- 2.Qd5#
- 1...b1B
- 2.Sf3#
- 2.Qd5#
- 1...Qc6
- 2.Sf3#
- 2.Sxc6#
- 2.Sd3#
- 2.Qxe6#
- 1...Sb6
- 2.Sf3#
- 2.Sd3#
- 1...Sce7
- 2.Sf3#
- 2.Sd3#
- 2.Qxe6#
- 1...Sf6
- 2.Sf3#
- 2.Sd3#
- 2.Sg6#
- 1...Sge7
- 2.Sf3#
- 2.Sd3#
- 2.Qxe6#
- 1...Qb5+!
- threat
- 1.Kf1?
- Keys
- 1.Kf2!
- threat
- 2.Qd5#
- 1...Rxf4+
- 2.gxf4#
- 1...Bxd4+
- 2.cxd4#
- 1...d5
- 2.Qxd5#
- 1...Qb5
- 2.Qxe6#
- 1...Qc6
- 2.Qxe6#
- 1...Sb6
- 2.Sf3#
- 1...Sce7
- 2.Qxe6#
- 1...Sf6
- 2.Sg6#
- 1...Sge7
- 2.Qxe6#
- threat
- 1.Kf2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- Q(j);N_GUARD::QAR1(D),XR(f)
- Q(j);N_GUARD,P_PINR(F)::QAR1(D),XR(f)
- R(h);OGATE,XS(I)::P(G),XR(h)
- B(c);CHECK,XR(F)::R(A)+K(B),XB(c)
- B(c);CHECK::R(A)+K(B),XB(c)
- B(c);N_GUARD::QAR1(D),XB(c)
- B(c);N_GUARD::QAR1(D)
- B(g);OGATE,XS(H)::P(E),XB(g)
- S(i);S_CUTQ(j)::QAR1(D),XR(f)
- S(k);S_CUTQ(j)::QAR1(D),XR(f)
- Tries
- Try
- K(B);P_PINB(c),P_SPINS(I),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(h);CHECK,OGATE,XS(I)::P(G),XR(h)
- P(e);::QAR1(D),XP(e)
- S(i);::S(H)
- Refutation
- P(b);CHECK,XP(C)
- Try
- K(B);P-FLIGHT,P_PINB(c)
- Threat
- DUALS(2)
- Vars
- R(h);OGATE,XS(I)::P(G),XR(h)
- P(e);::QAR1(D),XP(e)
- S(i);::S(H)
- Refutation
- P(a);CHECK
- Try
- S(H);CHECK
- Vars
- Q(j);XS(H)::QAR1(D),XR(f)
- Refutation
- B(c);XS(H)
- Try
- R(F);P_PINB(c)
- Threat
- DUALS(3)
- Vars
- R(h);OGATE,XS(I)::P(G),XR(h)
- P(e);::QAR1(D),XP(e)
- Refutation
- Q(j);CHECK
- Try
- Actual
- K(B);P-FLIGHT,P_PINB(c),P_SPINS(H)
- Threat
- QAR1(D)
- Vars
- R(h);CHECK,OGATE,XS(I)::P(G),XR(h)
- B(g);CHECK,OGATE,P_PINS(I),XS(H)::P(E),XB(g)
- P(e);::QAR1(D),XP(e)
- Q(j);N_GUARD::QAR1(D),XR(f)
- S(i);N_PINS(H),P_PINS(I)::S(H)
- S(i);S_CUTQ(j)::QAR1(D),XR(f)
- S(k);::S(I)
- S(k);S_CUTQ(j)::QAR1(D),XR(f)
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).