MESON Chess Problem Database

Problem Display
PID: 93794 (5B2/Kp6/2pN1q2/2k5/4P3/2P4B/3P4/8 w - - 0 1)

Karel, Jaroslav

Ceske listy sachove, 1898

5B2/Kp6/2pN1q2/2k5/4P3/2P4B/3P4/8

#2

7 + 4

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Qh4
      • 2.d4#
    • 1...Qg5
      • 2.d4#
    • 1...Qd8
      • 2.d4#
    • 1...Qf1
      • 2.d4#
    • 1...Qf3
      • 2.d4#
    • 1...Qf4
      • 2.d4#
    • 1...Qf5
      • 2.d4#
    • 1...Qe6
      • 2.d4#
    • 1...Qg6
      • 2.d4#
    • 1...Qh6
      • 2.d4#
    • 1...Qf7
      • 2.d4#
  • Keys
    • 1.Bf1!
      • threat
        • 2.Sxb7#
      • 1...Qxc3
        • 2.Sb5#
        • 2.Sf5#
      • 1...Qxf1
        • 2.d4#
      • 1...Qxd6
        • 2.d4#
      • 1...b5
        • 2.Sb7#
      • 1...b6
        • 2.Sb7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 10
  • Sets
    • Q(c);N_GUARD::P(A)
  • Actual
    • B(C);
    • Threat
      • B(G)+S(E),DCHECK,XP(d)
    • Vars
      • Q(c);N_GUARD,XB(C)::P(A)
      • Q(c);N_GUARD,P_SPINQ(c),XS(E)::P(A)
      • P(d);::B(G)+S(E),DCHECK
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