MESON Chess Problem Database

Problem Display
PID: 194234 (2b1K2n/3p2B1/2n1k1pp/RN2N3/3p1b1r/5Q1p/8/1B6 w - - 0 1)

Janet, Frank

Pittsburgh Gazette-Times, 1917

2b1K2n/3p2B1/2n1k1pp/RN2N3/3p1b1r/5Q1p/8/1B6

#2

7 + 11

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...d6
      • 2.Sc7#
  • Tries
    • 1.Sxd4+?
      • 1...Sxd4
        • 2.Qd5#
      • 1...Kd6!
    • 1.Qxc6+?
      • 1...d6
        • 2.Sxd4#
        • 2.Sc7#
        • 2.Qxd6#
      • 1...dxc6!
  • Keys
    • 1.Sd3!
      • threat
        • 2.Sc5#
      • 1...Kf5
        • 2.Sxd4#
      • 1...Rh5
        • 2.Sxf4#
      • 1...Bd6
        • 2.Ba2#
      • 1...d6
        • 2.Sc7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • P(i);SBLOCK::S(D)
  • Tries
    • Try
      • S(D);CHECK,XP(b)
      • Vars
        • S(e);XS(D)::QAB1(B)
      • Refutation
        • K(f);P-FLIGHT
    • Try
      • Q(B);CHECK,XS(e)
      • Refutation
        • P(i);XQ(B)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(f);P_SPINB(c),S_FLIGHT::R(C)+S(D),DCHECK,XP(b)
      • R(d);N_GUARD::S(E),XB(c)
      • B(c);S_CUTP(i)::B(A)
      • P(i);SBLOCK,S_CUTB(c)::S(D)
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