MESON Chess Problem Database

Problem Display
PID: 52484 (2b5/8/6nR/3P1kp1/R7/1N3P2/2P5/BB5K w - - 0 1)

Mees, Wouter Jacob Gregorius

1st HM., Het Belgisch Schaakbord (L'Echiquier Belge), 1986-1987

2b5/8/6nR/3P1kp1/R7/1N3P2/2P5/BB5K

#2

9 + 4

5110 Bekroonde Problemen 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Sf4
      • 2.Rf6#
    • 1...Sh4
      • 2.Rf6#
    • 1...Se7
      • 2.Rf6#
    • 1...Sf8
      • 2.Rf6#
    • 1...Sh8
      • 2.Rf6#
    • 1...g4
      • 2.Rh5#
  • Tries
    • 1.Bg7?
      • threat
        • 2.c3#
      • 1...g4
        • 2.Rh5#
      • 1...Sf4
        • 2.Sd4#
      • 1...Se5
        • 2.Rf6#
      • 1...Ba6!
    • 1.Rf4+?
      • 1...Sxf4
        • 2.Rf6#
      • 1...gxf4
        • 2.Rh5#
      • 1...Kxf4!
  • Keys
    • 1.Rg4!
      • threat
        • 2.c4#
      • 1...Sf4
        • 2.Rf6#
      • 1...Se5
        • 2.Sd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • S(c);OGATE::R1(I)
    • P(b);OGATEB::R(I)
  • Tries
    • Try
      • B(A);
      • Threat
        • B(B)+P(D)
      • Vars
        • P(b);OGATEB::R(I)
        • S(c);SBLOCK::S(E)
        • S(c);OGATE,SBLOCK::R1(I)
      • Refutation
        • B(d);
    • Try
      • R(G);CHECK
      • Vars
        • S(c);OGATE,SBLOCK,XR(G)::R1(I)
        • P(b);SBLOCK,S_CUTS(c),XR(G)::R(I)
      • Refutation
        • K(a);P-FLIGHT,XR(G)
  • Actual
    • R(G);
    • Threat
      • B(B)+P(D)
    • Vars
      • S(c);OGATE::R1(I)
      • S(c);SBLOCK::S(E)
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