MESON Chess Problem Database

Problem Display
PID: 151561 (K4n2/3pR2B/8/nQPk4/6r1/8/1bNP4/8 w - - 0 1)

Dikusarov, Andrey Nikolayovich

Probleemblad, 2013

K4n2/3pR2B/8/nQPk4/6r1/8/1bNP4/8

#2

7 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.Be4#
    • 1...Rg2
      • 2.Be4#
    • 1...Rg3
      • 2.Be4#
    • 1...Rd4
      • 2.Se3#
    • 1...Re4
      • 2.Bxe4#
    • 1...Rg5
      • 2.Be4#
    • 1...Rg7
      • 2.Be4#
    • 1...Rg8
      • 2.Be4#
    • 1...Bd4
      • 2.Sb4#
    • 1...Sg6
      • 2.Bg8#
    • 1...d6
      • 2.c6#
  • Keys
    • 1.d4!
      • threat
        • 2.Re5#
      • 1...Rxd4
        • 2.Se3#
      • 1...Bxd4
        • 2.Sb4#
      • 1...Re4
        • 2.Bxe4#
      • 1...Rg5
        • 2.Be4#
      • 1...Sc4
        • 2.Qb7#
      • 1...Sc6
        • 2.Qb3#
      • 1...Se6
        • 2.Rxd7#
      • 1...Sg6
        • 2.Bg8#
      • 1...d6
        • 2.c6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • R(b);N_GUARD::B(F)
    • R(b);SBLOCK::S(A)
    • R(b);N_GUARD::B(F),XR(b)
    • B(a);SBLOCK,S_CUTR(b)::S(A)
    • S(f);N_GUARD,S_CUTR(b)::B(F)
    • P(e);SBLOCK::QAR(C)+P(D)
  • Actual
    • P(B);
    • Threat
      • R1(E)
    • Vars
      • R(b);SBLOCK,XP(B)::S(A)
      • B(a);SBLOCK,XP(B)::S(A)
      • R(b);N_GUARD::B(F),XR(b)
      • R(b);N_GUARD::B(F)
      • S(c);N_GUARD,SBLOCK::QAB(C)
      • S(f);N_GUARD,SBLOCK::R(E),XP(e)
      • S(f);N_GUARD,S_CUTR(b)::B(F)
      • P(e);SBLOCK::QAR(C)+P(D)
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