MESON Chess Problem Database

Problem Display
PID: 11160 (4r3/R5Pp/3N1kp1/B2bN1n1/q5QK/1B2Rp2/8/8 w - - 0 1)

Fleck, Ferenc

2nd Prize, BCPS 031. Ty., 1937

4r3/R5Pp/3N1kp1/B2bN1n1/q5QK/1B2Rp2/8/8

#2

9 + 8

56 The Problemist 1937
3098 FIDE Album (1914-1944) (I) 1971
4640 Chess Wizardry: The New ABC of Chess Problems 1996
4901 Best Problems 2008

SOLUTION

  • SOUND
  • Sets
    • 1...Qxb3
      • 2.Sxe8#
    • 1...Qa1
      • 2.Sxe8#
    • 1...Qa2
      • 2.Sxe8#
    • 1...Qa3
      • 2.Sxe8#
    • 1...Qb4
      • 2.Sxe8#
    • 1...Qc4
      • 2.Sxe8#
    • 1...Qd4
      • 2.Sxe8#
    • 1...Qf4
      • 2.Sxe8#
    • 1...Qxg4+
      • 2.Sxg4#
    • 1...Qxa5
      • 2.Sxe8#
    • 1...Re6
      • 2.g8S#
    • 1...Rd8
      • 2.Bxd8#
    • 1...Rh8
      • 2.gxh8Q#
      • 2.gxh8B#
    • 1...Be4
      • 2.Qxg5#
    • 1...Se6
      • 2.Rf7#
  • Keys
    • 1.Bc3!
      • threat
        • 2.Sd7#
      • 1...Qxg4+
        • 2.Sxg4#
      • 1...Rxe5
        • 2.Bxe5#
      • 1...Qd7
        • 2.Sxd7#
      • 1...Qd4
        • 2.Sxe8#
      • 1...Qe4
        • 2.Sxe8#
      • 1...Re6
        • 2.g8S#
      • 1...Be4
        • 2.Qxg5#
      • 1...Be6
        • 2.Sec4#
      • 1...Se4
        • 2.Rxf3#
      • 1...Se6
        • 2.Rf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 9
  • Sets
    • Q(b);N_GUARD,N_PINQ(C),XB(A)::S(G),XR(h)
    • Q(b);N_GUARD,N_PINQ(C)::S(G),XR(h)
    • Q(b);N_GUARD::S(G),XR(h)
    • Q(b);CHECK,XQ(C)::S(F),XQ(b)
    • Q(b);N_GUARD,N_PINQ(C),XB(E)::S(G),XR(h)
    • R(h);N_GUARD,S_CUTB(c)::P=S
    • R(h);N_GUARD::B(E),XR(h)
    • R(h);OGATE::PXR(h)=Q
    • B(c);N_PINQ(C)::QAB1(C),XS(d)
    • S(d);N_GUARD,S_CUTB(c)::R1(H)
  • Actual
    • B(E);
    • Threat
      • B(E)+S(F),DCHECK
    • Vars
      • Q(b);CHECK,XQ(C)::B(E)+S(F),DCHECK,XQ(b)
      • R(h);OGATE,P_SPINR(h),XS(F)::B(E),XR(h)
      • Q(b);N_PINQ(C)::B(E)+S(F),DCHECK,XQ(b)
      • Q(b);N_GUARD::S(G),XR(h)
      • R(h);N_GUARD,S_CUTB(c)::P=S
      • B(c);N_PINQ(C)::QAB1(C),XS(d)
      • B(c);S_CUTR(h)::B(E)+S(F)
      • S(d);N_GUARD,N_PINQ(C),S_CUTB(c),S_CUTQ(b)::R(B),XP(a)
      • S(d);N_GUARD,S_CUTB(c)::R1(H)
HTML5 logo

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).