MESON Chess Problem Database

Problem Display
PID: 56221 (2KB4/4p2B/1bR5/4k2N/7p/1n1R1n1r/1qP1pP2/Q7 w - - 0 1)

Pikhurov, Dimitry Egorovich

Troll, 1994

2KB4/4p2B/1bR5/4k2N/7p/1n1R1n1r/1qP1pP2/Q7

#2

9 + 9

6114 Problemschach-Jahrbuch (1994) 1995

SOLUTION

  • SOUND
  • Sets
    • 1...Bxf2
      • 2.Bc7#
    • 1...Be3
      • 2.Bc7#
    • 1...Ba7
      • 2.Bc7#
    • 1...Bc7
      • 2.Bxc7#
    • 1...Se1
      • 2.f4#
    • 1...Sg1
      • 2.f4#
    • 1...Sd2
      • 2.f4#
    • 1...Sh2
      • 2.f4#
    • 1...Sg5
      • 2.f4#
    • 1...e6
      • 2.Bf6#
  • Keys
    • 1.c4!
      • threat
        • 2.Rd5#
      • 1...Qd4
        • 2.Re3#
      • 1...Bd4
        • 2.Bc7#
      • 1...Sbd4
        • 2.Re3#
      • 1...Sfd4
        • 2.f4#
      • 1...e6
        • 2.Bf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 9
  • Sets
    • B(h);N_GUARD,XP(C)::B(I)
    • B(h);N_GUARD::B(I)
    • B(h);N_GUARD::B(I),XB(h)
    • S(d);OGATE::P(C)
    • P(i);OGATE::B(I)
  • Actual
    • P(B);
    • Threat
      • R1(D)
    • Vars
      • Q(a);S_CUTB(h)::R(D)
      • B(h);N_GUARD,N_SPINQ(a)::B(I)
      • S(c);N_SPINQ(a),SBLOCK,S_CUTB(h)::R(D)
      • S(d);N_SPINQ(a),OGATE::P(C)
      • P(i);OGATE::B(I)
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