MESON Chess Problem Database

Problem Display
PID: 152496 (N1nR1B2/2R1q2b/2B1pn2/NPk2pr1/p1P5/P7/4KP1b/8 w - - 0 1)

Jonsson, Gustav

Chess, 1956

N1nR1B2/2R1q2b/2B1pn2/NPk2pr1/p1P5/P7/4KP1b/8

#2

11 + 10

56 The Problemist 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rg3
      • 2.Bh1#
      • 2.Bg2#
      • 2.Bf3#
      • 2.Be4#
      • 2.Bb7#
      • 2.Be8#
    • 1...Bg1
      • 2.Bh1#
      • 2.Bg2#
      • 2.Bf3#
      • 2.Be4#
      • 2.Bb7#
      • 2.Be8#
    • 1...f4
      • 2.Bh1#
      • 2.Bg2#
      • 2.Bf3#
      • 2.Be4#
      • 2.Bb7#
      • 2.Be8#
    • 1...e5
      • 2.Bh1#
      • 2.Bg2#
      • 2.Bf3#
      • 2.Be4#
      • 2.Bb7#
      • 2.Be8#
  • Keys
    • 1.Kd3!
      • threat
        • 2.Sb7#
      • 1...Qd6+
        • 2.Bd5#
      • 1...Rg3+
        • 2.Bf3#
      • 1...f4+
        • 2.Be4#
      • 1...Sd6
        • 2.Bd7#

This is a version

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • S(E)
    • Vars
      • Q(h);CHECK,S_CUTB(a)::R(H)+B(G)
      • R(e);CHECK,S_CUTB(a)::R(H)+B(G)
      • P(d);CHECK,S_CUTB(a)::R(H)+B(G)
      • S(j);N_SPINQ(h),SBLOCK,S_CUTB(a)::R(H)+B(G)
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