MESON Chess Problem Database

Problem Display
PID: 130272 (8/B2p1K2/8/4kp2/2P1N2N/6P1/2P2n2/3Rr2b w - - 0 1)

Retter, Yosef

Harmonie 04. TT, 1991-1992

8/B2p1K2/8/4kp2/2P1N2N/6P1/2P2n2/3Rr2b

#2

8 + 6

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe4
      • 2.Rxe1#
    • 1...Rxe4
      • 2.Sg6#
      • 2.Rd5#
    • 1...Bxe4
      • 2.Sg6#
    • 1...Sxe4
      • 2.Sg6#
      • 2.Rd5#
    • 1...fxe4
      • 2.Rd5#
  • Tries
    • 1.Rd4?
      • threat
        • 2.Sg6#
      • 1...fxe4
        • 2.Rd5#
      • 1...f4!
  • Keys
    • 1.Rxd7!
      • threat
        • 2.Re7#
      • 1...Kxe4
        • 2.Re7#
      • 1...Rxe4
        • 2.Sg6#
        • 2.Bb8#
        • 2.Rd5#
      • 1...Bxe4
        • 2.Sg6#
        • 2.Bd4#
        • 2.Bb8#
      • 1...Sxe4
        • 2.Sg6#
        • 2.Bd4#
        • 2.Rd5#
      • 1...fxe4
        • 2.Bd4#
        • 2.Bb8#
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 2
  • Sets
    • K(d);OGATEB,P-FLIGHT,XS(E)::R(A),XR(a)
    • B(b);SBLOCK,XS(E)::S(F)
    • P(e);SBLOCK,XS(E)::R1(A)
  • Tries
    • Try
      • R(A);
      • Threat
        • S(F)
      • Vars
        • P(e);SBLOCK,XS(E)::R1(A)
      • Refutation
        • P(e);
  • Actual
    • R(A);XP(f)
    • Threat
      • R(A)
    • Vars
      • K(d);P-FLIGHT,XS(E)::R(A)
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