MESON Chess Problem Database

Problem Display
PID: 152017 (8/Np1R3b/1k2K1pr/p7/7n/1P5p/5R1B/n4B2 w - - 0 1)

Jackson, EL

Western Daily Mercury, 1915

(First published on Fri Sep 24 1915)

8/Np1R3b/1k2K1pr/p7/7n/1P5p/5R1B/n4B2

#2

7 + 9

14868 Pirnie Collection 2014

SOLUTION

  • SOUND
  • Tries
    • 1.Sc8+?
      • 1...Kc6
        • 2.Rc7#
      • 1...Kc5!
  • Keys
    • 1.Bg1!
      • threat
        • 2.Ra2#
        • 2.Rb2#
        • 2.Rc2#
        • 2.Rfd2#
        • 2.Rg2#
        • 2.Rh2#
        • 2.Rf3#
        • 2.Rf4#
        • 2.Rf5#
        • 2.Rf6#
        • 2.Rff7#
        • 2.Rf8#
      • 1...Bg8+
        • 2.Rff7#
      • 1...g5+
        • 2.Rf6#
      • 1...Kc5
        • 2.Rf4#
      • 1...Kxa7
        • 2.Rf8#
      • 1...Sxb3
        • 2.Rb2#
      • 1...a4
        • 2.Rf5#
      • 1...Rh5
        • 2.Rf5#
      • 1...Sc2
        • 2.Rxc2#
      • 1...Sg2
        • 2.Rxg2#
      • 1...Sf3
        • 2.Rxf3#
      • 1...Sf5
        • 2.Rxf5#
      • 1...h2
        • 2.Rxh2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 12
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • K(e);P-FLIGHT::R1(G)
      • Refutation
        • K(e);S_FLIGHT
  • Actual
    • B(C);
    • Threat
      • DUALS(12)
    • Vars
      • B(i);CHECK::B(C)+R(B)
      • P(f);CHECK::B(C)+R(B)
      • K(e);S_FLIGHT::B(C)+R(B)
      • K(e);P_SPINP(h),S_FLIGHT,XS(F)::B(C)+R(B)
      • S(a);XP(D)::B(C)+R(B)
      • P(d);::B(C)+R(B)
      • R(g);::B(C)+R(B)
      • S(a);::B(C)+R(B),XS(a)
      • S(c);::B(C)+R(B),XS(c)
      • P(b);::B(C)+R(B),XP(b)
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