MESON Chess Problem Database

Problem Display
PID: 195022 (6n1/7n/4N1p1/4p3/2p1k1N1/2PR1R1B/1K6/6b1 w - - 0 1)

Hawkins, Xenophon

Pittsburgh Gazette-Times, 1918

6n1/7n/4N1p1/4p3/2p1k1N1/2PR1R1B/1K6/6b1

#2

7 + 7

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Bf2
      • 2.Sxf2#
    • 1...Bh2
      • 2.Sf2#
      • 2.Sc5#
    • 1...Bc5
      • 2.Sxc5#
    • 1...Sg5
      • 2.Sxg5#
    • 1...Shf6
      • 2.Sg5#
    • 1...Sf8
      • 2.Sg5#
  • Tries
    • 1.Sf6+?
      • 1...Shxf6
        • 2.Sg5#
      • 1...Sgxf6!
    • 1.Rfe3+?
      • 1...Kf5
        • 2.Rxe5#
      • 1...Bxe3!
  • Keys
    • 1.Rf2!
      • threat
        • 2.Sc5#
      • 1...Kxd3
        • 2.Sc5#
      • 1...Bxf2
        • 2.Sxf2#
      • 1...cxd3
        • 2.Bg2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • B(a);N_GUARD::S(F),XB(a)
    • B(a);N_GUARD::S(G),XB(a)
    • S(f);N_GUARD::S(G),XS(f)
    • S(f);N_GUARD::S(G)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • S(f);XS(F)::S(G)
      • Refutation
        • S(g);XS(F)
    • Try
      • R(D);CHECK
      • Vars
        • K(c);OGATE,S_FLIGHT::R1(D),XP(d)
      • Refutation
        • B(a);XR(D)
  • Actual
    • R(D);
    • Threat
      • S(G)
    • Vars
      • K(c);S_FLIGHT,XR(C)::S(G)
      • B(a);XR(D)::S(F),XB(a)
      • P(b);SBLOCK,XR(C)::B(E)
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