MESON Chess Problem Database

Problem Display
PID: 194235 (7R/pkp5/p1p5/8/1K6/2Rp4/1n1r4/1n6 w - - 0 1)

Janet, Frank

Pittsburgh Gazette-Times, 1917

7R/pkp5/p1p5/8/1K6/2Rp4/1n1r4/1n6

#2

3 + 9

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kb6
      • 2.Rb8#
  • Keys
    • 1.Rb3!
      • threat
        • 2.Ka5#
        • 2.Kc5#
      • 1...a5+
        • 2.Kxa5#
      • 1...c5+
        • 2.Kxc5#
      • 1...Kb6
        • 2.Rb8#
      • 1...Rc2
        • 2.Ka5#
      • 1...Sa3
        • 2.Kxa3#
      • 1...Sc3
        • 2.Kxc3#
      • 1...Sa4
        • 2.Kxa4#
      • 1...Sc4
        • 2.Kxc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 7
    • REMOVED MATES = 0
  • Sets
    • K(h);P-FLIGHT::R(C)
  • Actual
    • R(A);
    • Threat
      • DUALS(2)
    • Vars
      • P(e);CHECK::R(A)+K(B),XP(e)
      • P(f);CHECK::R(A)+K(B),XP(f)
      • K(h);P-FLIGHT::R(C)
      • R(c);::R(A)+K(B)
      • S(a);::R(A)+K(B),XS(a)
      • S(b);::R(A)+K(B),XS(b)
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