MESON Chess Problem Database

Problem Display
PID: 213433 (1B6/Pppp1K2/bP1P2P1/1p1kN2R/1R4P1/3N1P2/8/8 w - - 0 1)

Gockel, Hubert

Reddmann, Hauke

Phenix, 2019

1B6/Pppp1K2/bP1P2P1/1p1kN2R/1R4P1/3N1P2/8/8

#2

12 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd6
      • 2.Rd4#
    • 1...c5
      • 2.Sf4#
    • 1...c6
      • 2.Sxd7#
  • Tries
    • 1.Sc4+?
      • 1...Kc6
        • 2.Rc5#
      • 1...Kd4!
    • 1.bxc7?
      • 1...Kxd6
        • 2.Rd4#
      • 1...b6!
    • 1.dxc7?
      • 1...Kd6
        • 2.Rd4#
      • 1...d6!
  • Keys
    • 1.a8S!
      • 1...Kxd6
        • 2.Rd4#
      • 1...cxb6
        • 2.Sxb6#
      • 1...cxd6
        • 2.Sc7#
      • 1...c5
        • 2.Sf4#
      • 1...c6
        • 2.Sxd7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(b);P-FLIGHT,P_SPINP(e),XP(H)::R(C)
    • P(e);SBLOCK::S(A)
    • P(e);SBLOCK::R(F)+S(E),XP(f)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • K(b);OGATE,S_FLIGHT::R1(F)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(G);XP(e)
      • Vars
        • K(b);P-FLIGHT,XP(H)::R(C)
      • Refutation
        • P(d);
    • Try
      • P(H);XP(e)
      • Vars
        • K(b);P-FLIGHT::R(C)
      • Refutation
        • P(f);
  • Actual
    • P(J);
    • Vars
      • K(b);P-FLIGHT,P_SPINP(e),XP(H)::R(C)
      • P(e);XP(G)::S(J),XP(e)
      • P(e);SBLOCK,XP(H)::S(J)
      • P(e);SBLOCK::S(A)
      • P(e);SBLOCK::R(F)+S(E),XP(f)
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