MESON Chess Problem Database

Problem Display
PID: 198684 (K1Q2b2/4pp2/2N5/Pp3N2/1pkBBn2/8/8/7b w - - 0 1)

Brogi, Giuseppe

Good Companions (November), 1921

K1Q2b2/4pp2/2N5/Pp3N2/1pkBBn2/8/8/7b

#2

7 + 8

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...b3
      • 2.Se3#
  • Keys
    • 1.Bc2!
      • threat
        • 2.Se3#
      • 1...Bxc6+
        • 2.Qxc6#
      • 1...Kd5
        • 2.Sxb4#
      • 1...Sg2
        • 2.Scxe7#
      • 1...Sd5
        • 2.Se5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(b);SBLOCK::S(D)
  • Actual
    • B(B);P_SPINS(E)
    • Threat
      • S(D)
    • Vars
      • B(a);CHECK,OGATE,P_SPINB(a),XS(E)::QAR2(G),XB(a)
      • K(c);N_PINS(E),S_FLIGHT::S(E),XP(b)
      • S(d);N_PINS(E)::QAR(G)+S(E),XP(f)
      • S(d);N_PINS(E),SBLOCK::QAR(G)+S(E),DCHECK
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