MESON Chess Problem Database

Problem Display
PID: 170230 (1bKR4/8/2pPkN1p/3N1p1B/5P2/4P3/8/7Q w - - 0 1)

Kupper, Josef

Tages-Anzeiger, 2008

1bKR4/8/2pPkN1p/3N1p1B/5P2/4P3/8/7Q

#2

9 + 5

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Sc7+?
      • 1...Kxf6
        • 2.Qa1#
      • 1...Bxc7!
  • Keys
    • 1.Se4!
      • threat
        • 2.Sc5#
      • 1...Kxd5
        • 2.Bf7#
      • 1...Bxd6
        • 2.Rxd6#
      • 1...fxe4
        • 2.Qxe4#
      • 1...cxd5
        • 2.Re8#
      • 1...Ba7
        • 2.Sc7#
      • 1...c5
        • 2.Sxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(c);P-FLIGHT,XS(G)::QAB(A)
      • Refutation
        • B(e);XS(D)
  • Actual
    • S(G);
    • Threat
      • S(G)
    • Vars
      • K(c);S_FLIGHT,XS(D)::B(E)
      • B(e);OGATE,XP(F)::R1(I),XB(e)
      • P(a);OGATE,XS(G)::QAR2(A),XP(a)
      • P(b);SBLOCK,XS(D)::R(I)
      • B(e);N_GUARD::S(D)
      • P(b);::S(G),XP(b)
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