MESON Chess Problem Database

Problem Display
PID: 185772 (r3k3/b2p4/3B2K1/p7/Q1B5/8/8/8 w q - 0 1)

Lukasevics, Janis

Sachsische Zeitung, 2000

(First published on Sat Dec 30 2000)

r3k3/b2p4/3B2K1/p7/Q1B5/8/8/8

#2

4 + 5

15391 Problemschach-Jahrbuch (2000) 2001

SOLUTION

  • SOUND
  • Sets
    • 1...Rd8
      • 2.Bf7#
    • 1...0-0-0
      • 2.Ba6#
  • Tries
    • 1.Qa1?
      • threat
        • 2.Qh8#
      • 1...Kd8
        • 2.Qh8#
      • 1...0-0-0
        • 2.Ba6#
      • 1...Bd4!
  • Keys
    • 1.Be6!
      • threat
        • 2.Qxd7#
      • 1...Kd8
        • 2.Qxd7#
      • 1...0-0-0
        • 2.Qc6#
      • 1...Rd8
        • 2.Bf7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(d);SBLOCK::B(B)
    • K(e);0-0-0,N_SPINP(c),OGATEB::B(B)
  • Tries
    • Try
      • Q(A);N_PINP(c)
      • Threat
        • QAR(A)
      • Vars
        • K(e);P-FLIGHT::QAR(A)
        • K(e);0-0-0,OGATEB::B(B)
      • Refutation
        • B(b);
  • Actual
    • B(B);
    • Threat
      • QAB1(A),XP(c)
    • Vars
      • K(e);N_SPINP(c),P-FLIGHT::QAR1(A),XP(c)
      • K(e);0-0-0,OGATEB::QAR2(A)
      • R(d);SBLOCK::B(B)
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