MESON Chess Problem Database

Problem Display
PID: 75258 (7Q/6R1/5p2/4k3/1K6/4Np2/8/8 w - - 0 1)

Gvozdjak, Peter

3rd HM., Goumondy-40 JT, 1986

7Q/6R1/5p2/4k3/1K6/4Np2/8/8

#2

4 + 3

145 StrateGems 2007

SOLUTION

  • SOUND
  • Tries
    • 1.Qe8+?
      • 1...Kd4
        • 2.Rd7#
      • 1...Kf4
        • 2.Rg4#
      • 1...Kd6!
  • Keys
    • 1.Re7+!
      • 1...Kd4
        • 2.Qd8#
      • 1...Kf4
        • 2.Qh4#
      • 1...Kd6
        • 2.Qxf6#

FEATURES

  • Static
    • TYPE = CHECKING_KEY
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(D);CHECK
      • Vars
        • K(b);S_FLIGHT::R(C)
        • K(b);S_FLIGHT::R1(C)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • R(C);CHECK,P_PINP(c)
    • Vars
      • K(b);S_FLIGHT::QAR(D)
      • K(b);N_SPINP(c),S_FLIGHT::QAR2(D)
      • K(b);N_SPINP(c),S_FLIGHT::QAR2(D),XP(c)
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