MESON Chess Problem Database

Problem Display
PID: 225580 (8/8/5p1B/1p2kpN1/1KPR3r/1N5p/8/8 w - - 0 1)

Lancia, Ugo

Praca, 1954

8/8/5p1B/1p2kpN1/1KPR3r/1N5p/8/8

#2

6 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rf4
      • 2.Rd5#
    • 1...f4
      • 2.Rd5#
  • Keys
    • 1.Sc5!
      • threat
        • 2.Sf3#
      • 1...Kxd4
        • 2.Sf3#
      • 1...Rxd4
        • 2.Sf7#
      • 1...fxg5
        • 2.Bg7#
      • 1...f4
        • 2.Rd5#
      • 1...Rf4
        • 2.Rd5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::R1(D)
    • P(e);SBLOCK::R1(D)
  • Actual
    • S(A);
    • Threat
      • S(E)
    • Vars
      • K(d);S_FLIGHT,XR(D)::S(E)
      • R(b);P_PINP(C),SBLOCK,XR(D)::S(E)
      • P(f);OGATEB,XS(E)::B(F)
      • P(e);SBLOCK::R1(D)
      • R(b);SBLOCK::R1(D)
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