MESON Chess Problem Database

Problem Display
PID: 136438 (K7/3p4/1Q1p3R/3pkB2/1n2P3/3brpP1/3P1n1N/8 w - - 0 1)

Robert, Philippe

The Problemist Supplement, 2010

K7/3p4/1Q1p3R/3pkB2/1n2P3/3brpP1/3P1n1N/8

#2

8 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Re1
      • 2.Sxf3#
    • 1...Re2
      • 2.Sxf3#
    • 1...Bb1
      • 2.d4#
    • 1...Bf1
      • 2.d4#
    • 1...Bc2
      • 2.d4#
    • 1...Be2
      • 2.d4#
    • 1...Bc4
      • 2.d4#
    • 1...Bb5
      • 2.d4#
    • 1...Ba6
      • 2.d4#
    • 1...Sd1
      • 2.Sg4#
    • 1...Sh1
      • 2.Sg4#
    • 1...Sh3
      • 2.Sg4#
    • 1...Sg4
      • 2.Sxg4#
    • 1...d4
      • 2.Qxd6#
  • Keys
    • 1.Bxd7!
      • threat
        • 2.Re6#
      • 1...Kxe4
        • 2.Qxe3#
      • 1...Rxe4
        • 2.Sxf3#
      • 1...Bxe4
        • 2.d4#
      • 1...Sxe4
        • 2.Sg4#
      • 1...dxe4
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 14
  • Sets
    • R(c);N_GUARD::S(B),XP(d)
    • B(b);OGATE::P(A)
    • S(a);N_GUARD::S(B)
    • S(a);N_GUARD::S(B),XS(a)
    • P(f);::QAB1(F),XP(h)
  • Actual
    • B(E);XP(i)
    • Threat
      • R1(G)
    • Vars
      • K(g);OGATEB,P-FLIGHT,XP(D)::QAR1(F),XR(c)
      • R(c);N_GUARD,SBLOCK,XP(D)::S(B),XP(d)
      • B(b);OGATE,SBLOCK,XP(D)::P(A)
      • S(a);N_GUARD,SBLOCK,XP(D)::S(B)
      • P(f);SBLOCK,XP(D)::QAB1(F),XP(h)
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