MESON Chess Problem Database

Problem Display
PID: 225687 (8/8/Q7/N1K5/8/p1pN4/P1k1pp2/1nrrb3 w - - 0 1)

Pituk, Alexander

Praca, 1947

8/8/Q7/N1K5/8/p1pN4/P1k1pp2/1nrrb3

#2

5 + 9

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Sb4+?
      • 1...Kd2
        • 2.Sc4#
        • 2.Qd3#
        • 2.Qh6#
      • 1...Kb2!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Sb4#
      • 1...Kxd3
        • 2.Qg6#
      • 1...Rxd3
        • 2.Qa4#
      • 1...Rd2
        • 2.Se3#
      • 1...Sd2
        • 2.Sxa3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(B);CHECK
      • Refutation
        • K(e);P-FLIGHT
  • Actual
    • S(C);
    • Threat
      • S(B)
    • Vars
      • K(e);OGATEB,S_FLIGHT,XS(B)::QAB(E)
      • R(c);SBLOCK,XS(B)::QAB(E)
      • R(c);SBLOCK::S(C)
      • S(a);N_GUARD,SBLOCK::S(C),XP(h)
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