MESON Chess Problem Database

Problem Display
PID: 74084 (8/5p2/1n1Q1P2/1kNp4/1P1K4/p7/P1N5/8 w - - 0 1)

Szwedowski, Leopold Mieczyslaw

3rd Prize, Folks-Sztyme, 1954-1955

8/5p2/1n1Q1P2/1kNp4/1P1K4/p7/P1N5/8

#2

7 + 5

3310 2345 Chess Problems 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Sa4
      • 2.Qa6#
    • 1...Sc4
      • 2.Qa6#
    • 1...Sd7
      • 2.Qa6#
    • 1...Sa8
      • 2.Qa6#
    • 1...Sc8
      • 2.Qa6#
  • Tries
    • 1.Kc3?
      • threat
        • 2.Sxa3#
        • 2.Sd4#
      • 1...d4+
        • 2.Sxd4#
      • 1...Sc4
        • 2.Sd4#
        • 2.Qa6#
      • 1...Sa4+!
    • 1.Kd3?
      • 1...Sa4
        • 2.Qa6#
      • 1...Sc4
        • 2.Qa6#
      • 1...Sd7
        • 2.Qa6#
      • 1...Sa8
        • 2.Qa6#
      • 1...Sc8
        • 2.Qa6#
      • 1...d4!
    • 1.Qe6?
      • 1...Sc4
        • 2.Qa6#
      • 1...Sa4
        • 2.Qa6#
      • 1...Sd7
        • 2.Qa6#
      • 1...Sa8
        • 2.Qa6#
      • 1...Sc8
        • 2.Qa6#
      • 1...fxe6!
  • Keys
    • 1.Sa4!
      • 1...Kxa4
        • 2.Qc6#
      • 1...Ka6
        • 2.Qxb6#
      • 1...Sxa4
        • 2.Sxa3#
      • 1...Sc4
        • 2.Sc3#
      • 1...Sd7
        • 2.Sc3#
      • 1...Sa8
        • 2.Sc3#
      • 1...Sc8
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = MUTATE
    • CHANGED MATES = 5
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • S(d);OGATE::QAB1(F)
  • Tries
    • Try
      • K(D);S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • P(c);CHECK::S(B),XP(c)
      • Refutation
        • S(d);CHECK
    • Try
      • K(D);P-FLIGHT
      • Vars
        • S(d);OGATE::QAB1(F)
      • Refutation
        • P(c);
    • Try
      • Q(F);
      • Vars
        • S(d);OGATE::QAB1(F)
      • Refutation
        • P(e);XQ(F)
  • Actual
    • S(E);
    • Vars
      • K(b);S_FLIGHT,XS(E)::QAB(F)
      • K(b);P_SPINS(d),S_FLIGHT::QAR1(F),XS(d)
      • S(d);SBLOCK,XS(E)::S(B),XP(a)
      • S(d);::S(E)
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