MESON Chess Problem Database

Problem Display
PID: 232690 (7q/p1np1N2/3B4/K2k2r1/3N1Rp1/2p2p2/8/5Q1B w - - 0 1)

Frohlich, Georg

Freie Presse, 0000

7q/p1np1N2/3B4/K2k2r1/3N1Rp1/2p2p2/8/5Q1B

#2

7 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Sb5
      • 2.Qxb5#
    • 1...Sa8
      • 2.Qb5#
    • 1...Se8
      • 2.Qb5#
    • 1...g3
      • 2.Bxf3#
  • Keys
    • 1.Sxf3!
      • threat
        • 2.Qc4#
      • 1...Kc6+
        • 2.S3e5#
      • 1...Ke6+
        • 2.S3xg5#
      • 1...Qd4
        • 2.Sxd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 4
  • Sets
    • S(g);N_GUARD::QAR2(A),XS(g)
    • S(g);N_GUARD::QAR2(A)
    • P(c);N_GUARD::B(B),XP(b)
  • Actual
    • S(C);XP(b)
    • Threat
      • QAB1(A)
    • Vars
      • K(d);CHECK,S_FLIGHT::B(B)+S(C),DCHECK
      • K(d);CHECK,S_FLIGHT::S(C),XR(e)
      • Q(i);N_GUARD::B(B)+S(C),XQ(i)
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