MESON Chess Problem Database

Problem Display
PID: 140466 (2B5/7P/Rp5P/3N3k/8/4p1pK/6RP/2B5 w - - 0 1)

Retter, Yosef

1st Prize, The Problemist, 1984/I

2B5/7P/Rp5P/3N3k/8/4p1pK/6RP/2B5

#2

9 + 4

721 Variantim 1988
6490 yacpdb 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Bxe3?
      • 1...gxh2
        • 2.Sf6#
      • 1...b5
        • 2.Bg4#
      • 1...Kg6!
    • 1.Rxb6?
      • 1...gxh2
        • 2.Sf4#
      • 1...e2
        • 2.Bg4#
      • 1...Kg5!
  • Keys
    • 1.Rxg3!
      • 1...Kxh6
        • 2.h8Q#
        • 2.h8R#
      • 1...e2
        • 2.Sf6#
      • 1...b5
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(A);XP(a)
      • Vars
        • P(b);XP(C)::S(E)
        • P(d);::B(I)
      • Refutation
        • K(c);P_SPINP(b),S_FLIGHT
    • Try
      • R(F);XP(d)
      • Vars
        • P(b);XP(C)::S(E)
        • P(a);::B(I)
      • Refutation
        • K(c);P-FLIGHT,P_SPINP(a)
  • Actual
    • R(B);XP(b)
    • Vars
      • K(c);P-FLIGHT,P_SPINP(a),XP(G)::P=Q
      • P(a);::S(E)
      • P(d);::S(E)
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