MESON Chess Problem Database

Problem Display
PID: 176546 (8/2R2p2/1pN2P2/1Qpk4/1PN5/K4P2/2P5/8 w - - 0 1)

Zilahi, Zoltan

Schach-Echo, 1971

8/2R2p2/1pN2P2/1Qpk4/1PN5/K4P2/2P5/8

#2

9 + 4

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Tries
    • 1.Se7+?
      • 1...Ke6
        • 2.Qc6#
        • 2.Qxb6#
      • 1...Kd4!
    • 1.Qxc5+?
      • 1...Ke6
        • 2.Qe5#
      • 1...bxc5!
  • Keys
    • 1.Qxb6!
      • 1...cxb4+
        • 2.Sxb4#
      • 1...Kxc4
        • 2.Qxc5#
      • 1...Ke6
        • 2.Se7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);CHECK
      • Refutation
        • K(b);N_SPINP(a),P-FLIGHT
    • Try
      • Q(F);CHECK,XP(a)
      • Vars
        • K(b);OGATE,S_FLIGHT::QAR1(F)
      • Refutation
        • P(c);XQ(F)
  • Actual
    • Q(F);N_PINP(a),XP(c)
    • Vars
      • P(a);CHECK,XP(D)::S(G),XP(a)
      • K(b);S_FLIGHT,XS(E)::QAR1(F),XP(a)
      • K(b);S_FLIGHT::QAR(F)+S(G)
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