MESON Chess Problem Database

Problem Display
PID: 17248 (1b2N3/r1Q5/1rP2K2/1pk5/1p6/1P3B1n/nP2Nq2/4R1B1 w - - 0 1)

Fuchs, Georges Matthieu

Zveno, 1925

1b2N3/r1Q5/1rP2K2/1pk5/1p6/1P3B1n/nP2Nq2/4R1B1

#2

10 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Qe3
      • 2.Bxe3#
    • 1...Qd4+
      • 2.Bxd4#
    • 1...Rxc6+
      • 2.Qxc6#
    • 1...Sc1
      • 2.Rxc1#
    • 1...Sf4
      • 2.Bxf2#
    • 1...Sg5
      • 2.Bxf2#
  • Tries
    • 1.Qe7+?
      • 1...Bd6
        • 2.Qxd6#
      • 1...Rxe7!
  • Keys
    • 1.Sf4!
      • threat
        • 2.Se6#
      • 1...Qd4+
        • 2.Re5#
      • 1...Kd4
        • 2.Qxb6#
      • 1...Sxf4
        • 2.Bxf2#
      • 1...Sg5
        • 2.Bxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • Q(b);N_PINB(F)::B(B),XQ(b)
    • Q(b);CHECK,N_PINB(F)::B(B),XQ(b)
    • R(g);CHECK,OGATE,P_SPINR(g),XP(G)::QAR1(I),XR(g)
    • S(a);N_GUARD::R(A),XS(a)
    • S(c);N_GUARD,N_PINB(F)::B(B),XQ(b)
    • S(c);N_GUARD::B(B),XQ(b)
  • Tries
    • Try
      • Q(I);CHECK
      • Vars
        • B(i);N_GUARD,N_PINP(G),P_SPINB(i)::QAB1(I),XB(i)
      • Refutation
        • R(h);XQ(I)
  • Actual
    • S(D);N_SPINB(F)
    • Threat
      • S(D)
    • Vars
      • Q(b);CHECK::R(A)
      • K(f);S_FLIGHT::QAB(I),XR(g)
      • S(c);N_GUARD,XS(D)::B(B),XQ(b)
      • S(c);N_GUARD::B(B),XQ(b)
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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).