MESON Chess Problem Database

Problem Display
PID: 17956 (8/K2pp3/2PrP2P/Rp1k1N1R/B2N3B/P5PQ/4P3/8 w - - 0 1)

Apro, Laszlo

3rd HM., La Scacchiera, 1952

8/K2pp3/2PrP2P/Rp1k1N1R/B2N3B/P5PQ/4P3/8

#2

14 + 5

SOLUTION

  • SOUND
  • Tries
    • 1.Rxb5+?
      • 1...Ke4
        • 2.Bc2#
        • 2.Qg2#
        • 2.Qg4#
        • 2.Qh1#
      • 1...Kc4!
  • Keys
    • 1.Sxb5!
      • 1...Kc4
        • 2.Se3#
      • 1...Ke4
        • 2.Sc3#
      • 1...Kc5
        • 2.Sbxd6#
      • 1...Ke5
        • 2.Sfxd6#
      • 1...Kxc6
        • 2.Sxe7#
      • 1...Kxe6
        • 2.Sfxd6#
      • 1...Rxc6
        • 2.Sfd6#
      • 1...Rxe6
        • 2.Sbd6#
      • 1...dxc6
        • 2.Sfxd6#
      • 1...dxe6
        • 2.Sbxd6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(H);CHECK,XP(a)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • S(F);XP(a)
    • Vars
      • K(b);S_FLIGHT::S(I)
      • K(b);S_FLIGHT::S(F)
      • K(b);P-FLIGHT::R(H)+S(F),XR(c)
      • K(b);P-FLIGHT::R(J)+S(I),XR(c)
      • K(b);S_FLIGHT,XP(K)::S(I),XP(e)
      • K(b);S_FLIGHT,XP(L)::QAB(D)+S(I),XR(c)
      • R(c);SBLOCK,XP(K)::R(J)+S(I)
      • R(c);SBLOCK,XP(L)::R(H)+S(F)
      • P(d);SBLOCK,XP(K)::R(J)+S(I),XR(c)
      • P(d);SBLOCK,XP(L)::R(H)+S(F),XR(c)
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