MESON Chess Problem Database

Problem Display
PID: 219869 (8/8/K7/2p5/pkp5/8/p1Q5/b2N4 w - - 0 1)

Kashcheev, Niktopolion Pavlovich

Land og Folk, 1970

(First published on Sun Oct 4 1970)

8/8/K7/2p5/pkp5/8/p1Q5/b2N4

#2

3 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bb2
      • 2.Qxb2#
    • 1...Bc3
      • 2.Qxc3#
  • Keys
    • 1.Sb2!
      • 1...Ka3
        • 2.Qc3#
      • 1...Bxb2
        • 2.Qxb2#
      • 1...a3
        • 2.Qxc4#
      • 1...c3
        • 2.Qxa4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(a);N_GUARD::QAR2(B),XB(a)
    • B(a);N_GUARD::QAB1(B),XB(a)
  • Actual
    • S(A);
    • Vars
      • K(d);S_FLIGHT::QAR2(B)
      • B(a);OGATE,XS(A)::QAR2(B),XB(a)
      • P(c);SBLOCK::QAR1(B),XP(e)
      • P(e);SBLOCK::QAR1(B),XP(c)
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