MESON Chess Problem Database

Problem Display
PID: 67369 (1b1Rr3/3N4/7B/8/2b1p1Rp/1nPk4/1P3P1Q/4K3 w - - 0 1)

Ivanov, Bernard

Die Schwalbe, 2006

1b1Rr3/3N4/7B/8/2b1p1Rp/1nPk4/1P3P1Q/4K3

#2

9 + 7

SOLUTION

  • SOUND
  • Keys
    • 1.f4!
      • threat
        • 2.Qe2#
      • 1...exf4 ep+
        • 2.Se5#
      • 1...Ke3
        • 2.Qh3#
      • 1...Sd2
        • 2.Qxd2#
      • 1...Sc1
        • 2.Qd2#
      • 1...Sd4
        • 2.Qd2#
      • 1...e3
        • 2.Sc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Actual
    • P(C);
    • Threat
      • QAB1(D)
    • Vars
      • P(d);CHECK,EP,XP(C)::R(I)+S(H),DCHECK
      • K(b);P-FLIGHT::QAR(D)
      • S(a);N_GUARD::QAR1(D),XS(a)
      • S(a);N_GUARD::QAR1(D)
      • P(d);SBLOCK::R(I)+S(H),DCHECK
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