MESON Chess Problem Database

Problem Display
PID: 10537 (8/8/1p6/1K6/8/pk2N3/3Q4/n7 w - - 0 1)

Lokker, Miklosh S

Radyanski Sport, 1965

8/8/1p6/1K6/8/pk2N3/3Q4/n7

#2

3 + 4

3296 Shakhmatny zadachi miniaturi 1987
3813 300 Sachmatu Uzdaviniu 1991

SOLUTION

  • SOUND
  • Sets
    • 1...Sc2
      • 2.Qxc2#
    • 1...a2
      • 2.Qb4#
  • Tries
    • 1.Sc4?
      • 1...a2
        • 2.Qb2#
        • 2.Qd3#
      • 1...Sc2!
    • 1.Sd5?
      • 1...a2
        • 2.Qc3#
      • 1...Sc2!
  • Keys
    • 1.Sd1!
      • 1...Sc2
        • 2.Qd5#
      • 1...a2
        • 2.Qc3#
        • 2.Qb2#
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 1
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • S(a);N_GUARD::QAB1(A),XS(a)
    • P(b);SBLOCK::QAR1(A)
  • Tries
    • Try
      • S(B);
      • Refutation
        • S(a);
    • Try
      • S(B);
      • Vars
        • P(b);SBLOCK::QAR1(A)
      • Refutation
        • S(a);
  • Actual
    • S(B);
    • Vars
      • S(a);SBLOCK::QAB(A)
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