MESON Chess Problem Database

Problem Display
PID: 185827 (1B5Q/8/p5r1/K1k1Nn2/B1p2N2/1R1r3q/1P3Pb1/8 w - - 0 1)

Bennett, Frederick

Chess, 1957

1B5Q/8/p5r1/K1k1Nn2/B1p2N2/1R1r3q/1P3Pb1/8

#2

9 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb3
      • 2.Sd7#
    • 1...Rc3
      • 2.Sd7#
    • 1...Re3
      • 2.Sd7#
    • 1...Rf3
      • 2.Sd7#
    • 1...Rdg3
      • 2.Sd7#
    • 1...Rd7
      • 2.Sxd7#
    • 1...Bd5
      • 2.Sd7#
    • 1...Sd6
      • 2.Ba7#
  • Tries
    • 1.Sexd3+?
      • 1...cxd3
        • 2.Rc3#
        • 2.Qc3#
      • 1...Qxd3!
  • Keys
    • 1.Rc3!
      • threat
        • 2.Rxc4#
      • 1...Kd4
        • 2.Rxc4#
      • 1...Rxc3
        • 2.Sd7#
      • 1...Rd4
        • 2.b4#
      • 1...Bd5
        • 2.Sd7#
      • 1...Se3
        • 2.Sexd3#
      • 1...Sd6
        • 2.Ba7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 5
  • Sets
    • R(b);N_GUARD,XR(C)::S(G)
    • R(b);N_GUARD::S(G)
    • R(b);N_GUARD::S(G),XR(b)
    • B(a);S_CUTR(b)::S(G)
    • S(f);SBLOCK,S_CUTR(h)::B(H)
  • Tries
    • Try
      • S(G);CHECK,XR(b)
      • Refutation
        • Q(c);XS(G)
  • Actual
    • R(C);P_PINP(d)
    • Threat
      • R1(C),XP(d)
    • Vars
      • K(e);N_SPINP(d),S_FLIGHT::R1(C),XP(d)
      • R(b);N_GUARD,N_SPINP(d),XR(C)::S(G)
      • R(b);SBLOCK::P(A)
      • B(a);S_CUTR(b)::S(G)
      • S(f);S_CUTQ(c)::S(G),XR(b)
      • S(f);SBLOCK,S_CUTR(h)::B(H)
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