MESON Chess Problem Database

Problem Display
PID: 39341 (2R4B/5K2/3p4/3k1P1N/B1prb3/pppPbP2/8/QNr5 w - - 0 1)

Swindley, Cyril P

3rd Prize, Het Belgisch Schaakbord (L'Echiquier Belge), 1985

2R4B/5K2/3p4/3k1P1N/B1prb3/pppPbP2/8/QNr5

#2

10 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rd1
      • 2.Sxc3#
    • 1...Re1
      • 2.Sxc3#
    • 1...Rf1
      • 2.Sxc3#
    • 1...Rg1
      • 2.Sxc3#
    • 1...Rh1
      • 2.Sxc3#
    • 1...Bg1
      • 2.Sf4#
    • 1...Bf2
      • 2.Sf4#
    • 1...Bf4
      • 2.Sxf4#
    • 1...c2
      • 2.Sc3#
  • Tries
    • 1.f4?
      • threat
        • 2.Sf6#
      • 1...Bxf4
        • 2.Sxf4#
      • 1...Rxd3!
  • Keys
    • 1.Qxc3!
      • threat
        • 2.Qa5#
      • 1...Rxc3
        • 2.Sxc3#
      • 1...Rxd3
        • 2.Sf6#
      • 1...cxd3
        • 2.Bc6#
      • 1...Bd2
        • 2.Qxd4#

There are these versions: 52470

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 9
  • Sets
    • R(a);N_GUARD::S(B),XP(d)
    • B(e);N_GUARD::S(G)
    • B(e);N_GUARD::S(G),XB(e)
    • P(d);S_CUTR(a)::S(B)
  • Tries
    • Try
      • P(D);
      • Threat
        • S(G)
      • Vars
        • B(e);XP(D)::S(G),XB(e)
      • Refutation
        • R(g);XP(C)
  • Actual
    • Q(A);XP(d)
    • Threat
      • QAR(A)
    • Vars
      • R(a);XQ(A)::S(B),XR(a)
      • R(g);XP(C)::S(G)
      • P(f);XP(C)::B(E)
      • B(e);N_GUARD::QAR1(A),XR(g)
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