MESON Chess Problem Database

Problem Display
PID: 154767 (4QR2/1b1p1B2/3p2N1/3Pp1p1/3Pk1P1/2Pp4/3P2K1/8 w - - 0 1)

Onkoud, Abdelaziz

Probleemblad, 2014

4QR2/1b1p1B2/3p2N1/3Pp1p1/3Pk1P1/2Pp4/3P2K1/8

#2

10 + 7

SOLUTION

  • SOUND
  • Tries
    • 1.Se7?
      • threat
        • 2.Bg6#
      • 1...exd4
        • 2.Sg6#
      • 1...Kf4!
    • 1.dxe5?
      • threat
        • 2.exd6#
      • 1...dxe5
        • 2.Qxe5#
      • 1...Bxd5!
  • Keys
    • 1.Sxe5!
      • threat
        • 2.Sg6#
      • 1...Kf4
        • 2.Bg6#
      • 1...Bxd5
        • 2.Bg6#
      • 1...dxe5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(G);N_PINP(c)
      • Threat
        • B(H)
      • Vars
        • P(c);XP(D)::QAR(I)+S(G)
      • Refutation
        • K(b);P-FLIGHT,P_PINP(F)
    • Try
      • P(D);XP(c)
      • Threat
        • QAR(I)+P(D),XP(e)
      • Vars
        • P(e);OGATE,P_SPINP(e),XP(D)::QAR1(I),XP(e)
      • Refutation
        • B(f);XP(F)
  • Actual
    • S(G);XP(c)
    • Threat
      • QAR(I)+S(G)
    • Vars
      • K(b);P-FLIGHT,P_PINP(F)::R(J)+B(H)
      • B(f);SBLOCK,XP(F)::B(H)
      • P(e);OGATE,P_SPINP(e),XS(G)::QAR1(I),XP(e)
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