MESON Chess Problem Database

Problem Display
PID: 2737 (8/4Np2/1p1P1rp1/1Pp1k1P1/2BR1p1n/B4R2/3P2pN/6K1 w - - 0 1)

Thursby, John Ormerod Scarlett

Chess Chips, 1878

8/4Np2/1p1P1rp1/1Pp1k1P1/2BR1p1n/B4R2/3P2pN/6K1

#2

11 + 9

3357 75 Chess Problems 1883

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Sc6#
    • 1...Sxf3+
      • 2.Sxf3#
    • 1...Sf5
      • 2.Sc6#
  • Tries
    • 1.Bb2?
      • threat
        • 2.Sg4#
      • 1...Sxf3+
        • 2.Sxf3#
      • 1...cxd4!
    • 1.Bxc5?
      • threat
        • 2.Sg4#
      • 1...Sxf3+
        • 2.Sxf3#
      • 1...bxc5!
    • 1.Rfd3?
      • threat
        • 2.Sg4#
      • 1...Sf3+
        • 2.Sxf3#
      • 1...cxd4!
    • 1.Rd5+?
      • 1...Ke4
        • 2.Bd3#
        • 2.d3#
      • 1...Ke6!
  • Keys
    • 1.d3!
      • 1...Sxf3+
        • 2.Sxf3#
      • 1...Kxd4
        • 2.Bb2#
      • 1...Rxd6
        • 2.Re4#
      • 1...cxd4
        • 2.Sg4#
      • 1...Rf5
        • 2.Sc6#
      • 1...Re6
        • 2.Rd5#
      • 1...Sf5
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(g);SBLOCK::S(K)
    • S(c);CHECK,XR(E)::S(C),XS(c)
    • S(c);SBLOCK::S(K)
  • Tries
    • Try
      • B(D);
      • Threat
        • S(C)
      • Vars
        • S(c);CHECK,XR(E)::S(C),XS(c)
      • Refutation
        • P(d);P_SPINP(d),XR(G)
    • Try
      • B(D);XP(d)
      • Threat
        • S(C)
      • Vars
        • S(c);CHECK,XR(E)::S(C),XS(c)
      • Refutation
        • P(f);XB(D)
    • Try
      • R(E);
      • Threat
        • S(C)
      • Vars
        • S(c);CHECK,N_GUARD::S(C),XS(c)
      • Refutation
        • P(d);XR(G)
    • Try
      • R(G);CHECK
      • Refutation
        • K(e);P-FLIGHT
  • Actual
    • P(B);
    • Vars
      • S(c);CHECK,XR(E)::S(C),XS(c)
      • K(e);OGATEB,S_FLIGHT,XR(G)::B(D)
      • R(g);SBLOCK,XP(J)::R1(G)
      • P(d);SBLOCK,XR(G)::S(C)
      • R(g);SBLOCK::S(K)
      • R(g);SBLOCK::R1(G)
      • S(c);SBLOCK::S(K)
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