MESON Chess Problem Database

Problem Display
PID: 87681 (8/6Q1/5q2/8/1p6/p7/p7/k1BKR3 w - - 0 1)

Mortensen, Jan Robert (aka 'Adamas')

Problemista, 1966

8/6Q1/5q2/8/1p6/p7/p7/k1BKR3

#2

4 + 5

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Keys
    • 1.Bxa3!
      • threat
        • 2.Kc2#
        • 2.Kd2#
        • 2.Ke2#
      • 1...Qd4+
        • 2.Kc2#
        • 2.Ke2#
      • 1...Kb1
        • 2.Kd2#
      • 1...bxa3
        • 2.Kc2#
      • 1...Qb2
        • 2.Qxb2#
      • 1...Qc3
        • 2.Ke2#
      • 1...Qe5
        • 2.Kc2#
        • 2.Kd2#
      • 1...b3
        • 2.Kd2#
        • 2.Ke2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Actual
    • B(A);XP(c)
    • Threat
      • DUALS(3)
    • Vars
      • K(a);N_SPINQ(e),P-FLIGHT::R(C)+K(B)
      • P(d);XB(A)::R(C)+K(B)
      • Q(e);OGATE::QAB1(D),XQ(e)
      • Q(e);::R(C)+K(B)
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