MESON Chess Problem Database

Problem Display
PID: 231517 (8/4K3/pN3Pb1/1r2k1p1/1p2r3/N1n1P3/8/BB3Q2 w - - 0 1)

Fleischer, Gyorgy

Nepszava, 1927

8/4K3/pN3Pb1/1r2k1p1/1p2r3/N1n1P3/8/BB3Q2

#2

8 + 8

6490 yacpdb 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Rc4
      • 2.Saxc4#
    • 1...a5
      • 2.Qxb5#
  • Tries
    • 1.Bxc3+?
      • 1...Rd4
        • 2.Sac4#
        • 2.Bxd4#
        • 2.exd4#
      • 1...bxc3!
  • Keys
    • 1.Qc4!
      • threat
        • 2.Qe6#
      • 1...Kf5+
        • 2.Qe6#
      • 1...Rxe3
        • 2.Sd7#
      • 1...Rxc4
        • 2.Saxc4#
      • 1...Rxb6
        • 2.Qc5#
      • 1...Rd5
        • 2.Qxd5#
      • 1...Bf5
        • 2.Qc7#
      • 1...Bf7
        • 2.Qxe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 1
  • Sets
    • R(c);N_GUARD::S(D),XR(c)
    • P(g);N_GUARD::QAR(C),XR(d)
  • Tries
    • Try
      • B(A);CHECK,XS(a)
      • Refutation
        • P(b);XB(A)
  • Actual
    • Q(C);
    • Threat
      • QAR1(C)
    • Vars
      • K(e);CHECK,N_SPINS(a),P-FLIGHT,P_SPINR(c)::QAB1(C)
      • R(c);XP(E)::S(F)
      • R(c);XQ(C)::S(D),XR(c)
      • R(d);N_GUARD,XS(F)::QAR2(C)
      • R(d);N_GUARD::QAR1(C),XR(d)
      • B(h);SBLOCK::QAB(C)
      • B(h);N_GUARD::QAR1(C),XR(c)
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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).