MESON Chess Problem Database

Problem Display
PID: 252560 (8/4b1p1/r1r4p/R1q4k/7N/6Q1/7K/1B6 w - - 0 1)

Persa, Istvan

Deutsche Schachzeitung, 1982

8/4b1p1/r1r4p/R1q4k/7N/6Q1/7K/1B6

#2

5 + 7

15601 Albrecht-Leiss-Degener Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Bd6
      • 2.Bg6#
    • 1...Bf6
      • 2.Bg6#
  • Keys
    • 1.Sg2!
      • threat
        • 2.Sf4#
      • 1...Rf6
        • 2.Qh4#
      • 1...Bg5
        • 2.Qf3#
      • 1...Bd6
        • 2.Bg6#
      • 1...g5
        • 2.Qh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(f);P_PINQ(C),S_CUTR(d)::B(A)
    • B(f);S_CUTR(d)::B(A)
  • Actual
    • S(D);
    • Threat
      • S(D)
    • Vars
      • R(d);S_CUTB(f)::QAR1(C)
      • B(f);N_SPINQ(a),SBLOCK::QAB(C)
      • B(f);P_PINQ(C),S_CUTR(d)::B(A)
      • P(g);N_SPINQ(a),SBLOCK,S_CUTB(f)::QAR2(C)
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