MESON Chess Problem Database

Problem Display
PID: 124518 (5K2/4N2b/5kp1/3Q4/8/8/8/8 w - - 0 1)

Lokker, Miklosh S

Pajtas, 1968

5K2/4N2b/5kp1/3Q4/8/8/8/8

#2

3 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bg8
      • 2.Sxg8#
    • 1...g5
      • 2.Qd6#
  • Keys
    • 1.Sc6!
      • threat
        • 2.Qe5#
      • 1...g5
        • 2.Qf7#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • B(c);N_GUARD::S(B),XB(c)
    • P(b);SBLOCK::QAR2(A)
  • Actual
    • S(B);
    • Threat
      • QAB1(A)
    • Vars
      • P(b);SBLOCK::QAR1(A)
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