MESON Chess Problem Database

Problem Display
PID: 86127 (1K1k4/5p1r/4B3/7b/4Q3/8/8/4R3 w - - 0 1)

Speckmann, Werner

The Problemist, 1992

1K1k4/5p1r/4B3/7b/4Q3/8/8/4R3

#2

4 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Bxf7!
      • threat
        • 2.Qd3#
        • 2.Qd5#
        • 2.Qd4#
        • 2.Qe7#
        • 2.Qe8#
      • 1...Kd7
        • 2.Qd5#
      • 1...Rxf7
        • 2.Qe8#
      • 1...Bxf7
        • 2.Qe7#
      • 1...Be2
        • 2.Qe8#
      • 1...Rh6
        • 2.Qe7#
        • 2.Qe8#
      • 1...Rh8
        • 2.Qd3#
        • 2.Qd5#
        • 2.Qd4#
        • 2.Qe7#
      • 1...Bf3
        • 2.Qe7#
        • 2.Qe8#
      • 1...Bg4
        • 2.Qe7#
        • 2.Qe8#
      • 1...Bg6
        • 2.Rd1#
        • 2.Qd5#
        • 2.Qd4#
        • 2.Qe7#
        • 2.Qe8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(C);XP(b)
    • Threat
      • DUALS(5)
    • Vars
      • K(d);P-FLIGHT::QAR2(B)
      • R(c);XB(C)::QAR1(B)
      • B(a);XB(C)::QAB1(B)
      • B(a);::QAR1(B)
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