MESON Chess Problem Database

Problem Display
PID: 243868 (8/2N5/1p3p2/3R2bR/p1k5/K6Q/1n2rN2/B2b1B2 w - - 0 1)

Fleck, Ferenc

Magyar Sakkvilag, 1929

8/2N5/1p3p2/3R2bR/p1k5/K6Q/1n2rN2/B2b1B2

#2

8 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bh4
      • 2.Rxh4#
    • 1...Sd3
      • 2.Qxd3#
  • Tries
    • 1.Sxd1?
      • threat
        • 2.Sxb2#
        • 2.Qc3#
      • 1...Sxd1
        • 2.Bxe2#
        • 2.Qd3#
      • 1...Bc1
        • 2.Qc3#
      • 1...Bd2
        • 2.Sxb2#
      • 1...Sd3
        • 2.Qxd3#
      • 1...Be3!
    • 1.Se4?
      • threat
        • 2.Sd6#
        • 2.Qc3#
      • 1...Bd2
        • 2.Sxd2#
        • 2.Sd6#
      • 1...Bf4
        • 2.Qc3#
      • 1...Sd3
        • 2.Sd6#
        • 2.Rd4#
        • 2.Qxd3#
      • 1...Be3!
    • 1.Bxb2?
      • threat
        • 2.Qc3#
        • 2.Qd3#
      • 1...Bc2
        • 2.Qc3#
      • 1...Bd2
        • 2.Rd4#
        • 2.Qd3#
      • 1...Be3!
    • 1.Bxe2+?
      • 1...Sd3
        • 2.Bxd3#
        • 2.Qxd3#
      • 1...Bxe2!
    • 1.Rh4+?
      • 1...Bf4
        • 2.Rxf4#
      • 1...Bxh4!
    • 1.Qd7?
      • threat
        • 2.Qc6#
      • 1...Kc3
        • 2.Qc6#
      • 1...Sd3
        • 2.Qb5#
      • 1...Be3!
  • Keys
    • 1.Qe6!
      • threat
        • 2.Qc6#
      • 1...Kc3
        • 2.Qc6#
      • 1...Be3
        • 2.Rd3#
      • 1...Sd3
        • 2.Re5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 1
  • Sets
    • B(f);N_GUARD::R(G),XB(f)
    • S(b);N_GUARD,N_SPINR(c)::QAB1(E),XS(b)
  • Tries
    • Try
      • S(C);XB(a)
      • Threat
        • DUALS(2)
      • Vars
        • B(f);::QAR1(E)
        • B(f);::S(C),XS(b)
        • S(b);N_GUARD,N_SPINR(c)::QAB1(E),XS(b)
      • Refutation
        • B(f);
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(f);::QAR1(E)
      • Refutation
        • B(f);
    • Try
      • B(A);XS(b)
      • Threat
        • DUALS(2)
      • Vars
        • B(a);::QAR1(E)
      • Refutation
        • B(f);
    • Try
      • B(B);CHECK,XR(c)
      • Refutation
        • B(a);XB(B)
    • Try
      • R(G);CHECK
      • Vars
        • B(f);N_GUARD,P_SPINB(f)::R(G),XB(f)
      • Refutation
        • B(f);XR(G)
    • Try
      • Q(E);
      • Threat
        • QAR2(E)
      • Vars
        • K(e);N_SPINR(c),P-FLIGHT,P_SPINS(b)::QAR(E)
        • S(b);N_SPINR(c)::QAB1(E)
      • Refutation
        • B(f);
  • Actual
    • Q(E);
    • Threat
      • QAR2(E)
    • Vars
      • K(e);N_SPINR(c),P-FLIGHT,P_SPINS(b)::QAR(E)
      • B(f);::QAB(E)+R(F)
      • S(b);N_SPINR(c)::QAB(E)+R(F)
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).