MESON Chess Problem Database
Problem Display
PID: 7016 (2R5/1pR5/1P1Qprp1/3p2N1/1ppk4/1pr1nB1K/1B1PPN2/8 w - - 0 1)
Fleck, Ferenc
2/3 Place, Match: Hungary - Poland, 1935
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Rxf3+
- 2.Sxf3#
- 1...Rf4
- 2.Sxe6#
- 2.Qxf4#
- 1...Rf5
- 2.Sxe6#
- 1...Rf7
- 2.Sxe6#
- 1...Rf8
- 2.Sxe6#
- 1...Sd1
- 2.Rxc4#
- 1...Sf1
- 2.Rxc4#
- 1...Sc2
- 2.Rxc4#
- 1...Sg2
- 2.Rxc4#
- 1...Sg4
- 2.Rxc4#
- 1...Sf5
- 2.Rxc4#
- 2.Qf4#
- 1...e5
- 2.Qc5#
- 1...Rxf3+
- Tries
- 1.Sd1?
- threat
- 2.dxe3#
- 1...Sxd1
- 2.Rxc4#
- 1...Sf1
- 2.Rxc4#
- 1...Sc2
- 2.Rxc4#
- 1...Sg2
- 2.Rxc4#
- 1...Sg4
- 2.Rxc4#
- 1...Sf5
- 2.Rxc4#
- 2.Qf4#
- 1...Rxf3+!
- threat
- 1.Sh1?
- 1...Rf4
- 2.Sxe6#
- 2.Qxf4#
- 1...Rf5
- 2.Sxe6#
- 1...Rf7
- 2.Sxe6#
- 1...Rf8
- 2.Sxe6#
- 1...Sd1
- 2.Rxc4#
- 1...Sf1
- 2.Rxc4#
- 1...Sc2
- 2.Rxc4#
- 1...Sg2
- 2.Rxc4#
- 1...Sg4
- 2.Rxc4#
- 1...Sf5
- 2.Rxc4#
- 2.Qf4#
- 1...e5
- 2.Qc5#
- 1...Rxf3+!
- 1...Rf4
- 1.Sfe4?
- 1...Rf4
- 2.Sxe6#
- 1...Rf5
- 2.Sxe6#
- 1...Rf7
- 2.Sxe6#
- 1...Rf8
- 2.Sxe6#
- 1...Sd1
- 2.Rxc4#
- 1...Sf1
- 2.Rxc4#
- 1...Sc2
- 2.Rxc4#
- 1...Sg2
- 2.Rxc4#
- 1...Sg4
- 2.Rxc4#
- 1...Sf5
- 2.Rxc4#
- 1...e5
- 2.Qc5#
- 1...Rxf3+!
- 1...Rf4
- 1.Sg4?
- threat
- 2.Qc5#
- 2.Qe5#
- 2.dxe3#
- 1...Sxg4
- 2.Rxc4#
- 1...Rf5
- 2.Sxe6#
- 2.Qc5#
- 2.dxe3#
- 1...Sd1
- 2.Rxc4#
- 2.Qc5#
- 2.Qe5#
- 1...Sf1
- 2.Rxc4#
- 2.Qc5#
- 2.Qe5#
- 1...Sc2
- 2.Rxc4#
- 2.Qc5#
- 2.Qe5#
- 1...Sg2
- 2.Rxc4#
- 2.Qc5#
- 2.Qe5#
- 1...Sf5
- 2.Rxc4#
- 2.Qf4#
- 2.Qc5#
- 2.Qe5#
- 1...e5
- 2.Qc5#
- 2.Qxe5#
- 2.dxe3#
- 1...Rxf3+!
- threat
- 1.Ba1?
- 1...Rxf3+
- 2.Sxf3#
- 1...Rf4
- 2.Sxe6#
- 2.Qxf4#
- 1...Rf5
- 2.Sxe6#
- 1...Rf7
- 2.Sxe6#
- 1...Rf8
- 2.Sxe6#
- 1...Sd1
- 2.Rxc4#
- 1...Sf1
- 2.Rxc4#
- 1...Sc2
- 2.Rxc4#
- 1...Sg2
- 2.Rxc4#
- 1...Sg4
- 2.Rxc4#
- 1...Sf5
- 2.Rxc4#
- 2.Qf4#
- 1...e5
- 2.Qc5#
- 1...b2!
- 1...Rxf3+
- 1.Rc5?
- 1...Rxf3+
- 2.Sxf3#
- 1...Rf4
- 2.Sxe6#
- 2.Qxf4#
- 1...Rf5
- 2.Sxe6#
- 1...Rf7
- 2.Sxe6#
- 1...Rf8
- 2.Sxe6#
- 1...Sd1
- 2.Rxc4#
- 1...Sf1
- 2.Rxc4#
- 1...Sc2
- 2.Rxc4#
- 1...Sg2
- 2.Rxc4#
- 1...Sg4
- 2.Rxc4#
- 1...Sf5
- 2.Rxc4#
- 2.Qf4#
- 1...e5!
- 1...Rxf3+
- 1.Rc6?
- 1...Rxf3+
- 2.Sxf3#
- 1...Rf4
- 2.Sxe6#
- 2.Qxf4#
- 1...Rf5
- 2.Sxe6#
- 1...Rf7
- 2.Sxe6#
- 1...Rf8
- 2.Sxe6#
- 1...Sd1
- 2.Rxc4#
- 1...Sf1
- 2.Rxc4#
- 1...Sc2
- 2.Rxc4#
- 1...Sg2
- 2.Rxc4#
- 1...Sg4
- 2.Rxc4#
- 1...Sf5
- 2.Rxc4#
- 2.Qf4#
- 1...e5
- 2.Qc5#
- 1...bxc6!
- 1...Rxf3+
- 1.Qxe6?
- threat
- 2.Qxe3#
- 2.Qxf6#
- 2.dxe3#
- 1...Rxf3+
- 2.Sxf3#
- 1...Sd1
- 2.Qxd5#
- 2.Qxf6#
- 1...Rf4
- 2.Qxe3#
- 2.dxe3#
- 1...Rf5
- 2.Qxe3#
- 2.dxe3#
- 1...Rf7
- 2.Qxe3#
- 2.dxe3#
- 1...Rf8
- 2.Qxe3#
- 2.dxe3#
- 1...Sf1
- 2.Qxd5#
- 2.Qxf6#
- 1...Sc2
- 2.Qxd5#
- 2.Qxf6#
- 1...Sg2
- 2.Qxd5#
- 2.Qxf6#
- 1...Sg4
- 2.Qxd5#
- 1...Sf5
- 2.Qxd5#
- 2.Qxf6#
- 1...Rxe6!
- threat
- 1.Sd1?
- Keys
- 1.Bxd5!
- 1...Rf3+
- 2.Sxf3#
- 1...Sd1+
- 2.Bf3#
- 1...Sf1+
- 2.Bf3#
- 1...Sc2+
- 2.Bf3#
- 1...Sg2+
- 2.Bf3#
- 1...Sg4+
- 2.Bf3#
- 1...Sxd5+
- 2.e3#
- 1...Sf5+
- 2.Sf3#
- 1...Rxf2
- 2.Sxe6#
- 1...exd5
- 2.Qxf6#
- 1...Rf4
- 2.Sxe6#
- 1...Rf5
- 2.Sxe6#
- 1...Rf7
- 2.Sxe6#
- 1...Rf8
- 2.Sxe6#
- 1...e5
- 2.Qc5#
- 1...Rf3+
- 1.Bxd5!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- R(i);CHECK,XB(E)::S(G),XR(i)
- R(i);N_GUARD::S(G),XP(h)
- S(c);N_GUARD,P_PINB(E)::R1(J),XP(e)
- P(h);SBLOCK::QAB1(I)
- Tries
- Try
- S(D);
- Threat
- P(B),XS(c)
- Vars
- S(c);N_GUARD,P_PINB(E),XS(D)::R1(J),XP(e)
- S(c);N_GUARD,P_PINB(E)::R1(J),XP(e)
- Refutation
- R(i);CHECK,XB(E)
- Try
- S(D);
- Vars
- R(i);N_GUARD::S(G),XP(h)
- S(c);N_GUARD,P_PINB(E)::R1(J),XP(e)
- P(h);SBLOCK::QAB1(I)
- Refutation
- R(i);CHECK,XB(E)
- Try
- S(D);
- Vars
- R(i);N_GUARD::S(G),XP(h)
- S(c);N_GUARD,P_PINB(E)::R1(J),XP(e)
- P(h);SBLOCK::QAB1(I)
- Refutation
- R(i);CHECK,XB(E)
- Try
- S(D);
- Threat
- DUALS(3)
- Vars
- S(c);N_GUARD,P_PINB(E),XS(D)::R1(J),XP(e)
- Refutation
- R(i);CHECK,XB(E)
- Try
- B(A);
- Vars
- R(i);CHECK,XB(E)::S(G),XR(i)
- R(i);N_GUARD::S(G),XP(h)
- S(c);N_GUARD,P_PINB(E)::R1(J),XP(e)
- P(h);SBLOCK::QAB1(I)
- Refutation
- P(a);N_SPINR(b)
- Try
- R(J);
- Vars
- R(i);CHECK,XB(E)::S(G),XR(i)
- R(i);N_GUARD::S(G),XP(h)
- S(c);N_GUARD,P_PINB(E)::R1(J),XP(e)
- Refutation
- P(h);
- Try
- R(J);
- Vars
- R(i);CHECK,XB(E)::S(G),XR(i)
- R(i);N_GUARD::S(G),XP(h)
- S(c);N_GUARD,P_PINB(E)::R1(J),XP(e)
- P(h);SBLOCK::QAB1(I)
- Refutation
- P(k);XR(J)
- Try
- Q(I);N_PINP(g),XP(h)
- Threat
- DUALS(3)
- Vars
- R(i);CHECK,XB(E)::S(G),XR(i)
- S(c);N_GUARD,P_PINB(E)::QAR1(I),XP(g)
- Refutation
- R(i);XQ(I)
- Try
- Actual
- B(E);XP(g)
- Vars
- R(i);CHECK,N_GUARD::S(G),XR(i)
- S(c);CHECK,N_GUARD::QAR(I)+B(E)
- S(c);CHECK,OGATE,P_SPINS(c),XB(E)::P(C)
- S(c);CHECK,S_CUTR(i)::S(G)
- R(i);N_GUARD,XS(D)::S(G),XP(h)
- P(h);OGATE,P_SPINP(h),SBLOCK,XB(E)::QAB(I),XR(i)
- R(i);N_GUARD::S(G),XP(h)
- P(h);SBLOCK::QAB1(I)
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).