MESON Chess Problem Database

Problem Display
PID: 158418 (4kb2/6r1/2KP1Q2/2N5/8/8/8/8 w - - 0 1)

Andreev, Aleksandr Grigorevich

Bankovskaya gazeta, 1996

4kb2/6r1/2KP1Q2/2N5/8/8/8/8

#2

4 + 3

15148 Sadier Collection 2016

SOLUTION

  • SOUND
  • Sets
    • 1...Rg1
      • 2.d7#
    • 1...Rg2
      • 2.d7#
    • 1...Rg3
      • 2.d7#
    • 1...Rg4
      • 2.d7#
    • 1...Rg5
      • 2.d7#
    • 1...Rg6
      • 2.d7#
    • 1...Rg8
      • 2.d7#
  • Keys
    • 1.Se6!
      • threat
        • 2.Qxf8#
      • 1...Rc7+
        • 2.Sxc7#
      • 1...Bxd6
        • 2.Sxg7#
      • 1...Rf7
        • 2.Qd8#
      • 1...Rg8
        • 2.Sc7#
        • 2.d7#
      • 1...Be7
        • 2.d7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 7
  • Sets
    • R(a);N_GUARD::P(C)
  • Actual
    • S(A);
    • Threat
      • QAR1(D),XB(c)
    • Vars
      • R(a);CHECK,N_GUARD::S(A),XR(a)
      • B(c);N_GUARD,XP(C)::S(A),XR(a)
      • R(a);SBLOCK::QAR1(D)
      • B(c);S_CUTR(a)::P(C)
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