MESON Chess Problem Database

Problem Display
PID: 228672 (6Q1/1BR1pr2/3PNP2/6B1/2P1N1pR/2Pk4/4p3/1K2n3 w - - 0 1)

Zipf, Volker

Troll, 2020

6Q1/1BR1pr2/3PNP2/6B1/2P1N1pR/2Pk4/4p3/1K2n3

#2

12 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf6
      • 2.S6c5#
    • 1...Rg7
      • 2.S6c5#
    • 1...Rh7
      • 2.S6c5#
    • 1...Rf8
      • 2.S6c5#
  • Tries
    • 1.Bc1?
      • threat
        • 2.Sf4#
      • 1...Rxf6
        • 2.S6c5#
      • 1...Sg2!
    • 1.Bd2?
      • threat
        • 2.Sf4#
      • 1...Rxf6
        • 2.S6c5#
      • 1...Sg2!
  • Keys
    • 1.Kb2!
      • threat
        • 2.Sf2#
      • 1...Rxf6
        • 2.S6c5#
      • 1...g3
        • 2.S4c5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(f);XP(I)::S(H)
    • R(f);::S(H)
  • Tries
    • Try
      • B(F);
      • Threat
        • S(H)
      • Vars
        • R(f);XP(I)::S(H)
      • Refutation
        • S(a);
    • Try
      • B(F);
      • Threat
        • S(H)
      • Vars
        • R(f);XP(I)::S(H)
      • Refutation
        • S(a);
  • Actual
    • K(A);P-FLIGHT
    • Threat
      • S(D)
    • Vars
      • R(f);XP(I)::S(H)
      • P(d);::S(D)
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