MESON Chess Problem Database

Problem Display
PID: 56940 (1N5Q/3p1K2/1pNp3p/1n1k4/4p3/1P6/2Pb4/8 w - - 0 1)

Kesl, Josef

Nove parizske mody, 1892

1N5Q/3p1K2/1pNp3p/1n1k4/4p3/1P6/2Pb4/8

#2

6 + 8

5476 Galerie Ceskoslovenskych Skladatelu 12 1974

SOLUTION

  • SOUND
  • Sets
    • 1...Sa3
      • 2.Qd4#
    • 1...Sc3
      • 2.Qd4#
    • 1...Sd4
      • 2.Qxd4#
    • 1...Sa7
      • 2.Qd4#
    • 1...Sc7
      • 2.Qd4#
  • Tries
    • 1.Sb4+?
      • 1...Kc5
        • 2.S8a6#
      • 1...Bxb4!
    • 1.Sa6?
      • threat
        • 2.Se7#
      • 1...Kxc6
        • 2.Qa8#
      • 1...dxc6
        • 2.c4#
      • 1...Bg5
        • 2.Scb4#
      • 1...e3!
  • Keys
    • 1.Se7+!
      • 1...Kc5
        • 2.Sa6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • S(c);N_GUARD::QAR1(F)
    • S(c);N_GUARD::QAR1(F),XS(c)
  • Tries
    • Try
      • S(C);CHECK
      • Vars
        • K(d);P-FLIGHT::S(E)
      • Refutation
        • B(a);XS(C)
    • Try
      • S(E);
      • Threat
        • S(C)
      • Vars
        • K(d);OGATEB,S_FLIGHT,XS(C)::QAB(F)
        • P(h);SBLOCK,XS(C)::P(A)
        • B(a);N_GUARD::S(C)
      • Refutation
        • P(b);
  • Actual
    • S(C);CHECK
    • Vars
      • K(d);P-FLIGHT::S(E)
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