MESON Chess Problem Database

Problem Display
PID: 197335 (8/8/8/1p3p1N/2N1k3/1r6/1bPQP3/4K3 w - - 0 1)

McDowell, Michael

The Problemist, 2018

8/8/8/1p3p1N/2N1k3/1r6/1bPQP3/4K3

#2

6 + 5

SOLUTION

  • SOUND
  • Sets
    • 1...Rc3
      • 2.Sf6#
    • 1...Rd3
      • 2.Qxd3#
    • 1...Rg3
      • 2.Sxg3#
    • 1...Rb4
      • 2.Sg3#
      • 2.Qd3#
    • 1...Bc1
      • 2.Sf6#
    • 1...Ba3
      • 2.Sf6#
    • 1...Bc3
      • 2.Sg3#
    • 1...Bf6
      • 2.Sxf6#
  • Keys
    • 1.c3!
      • threat
        • 2.Sg3#
        • 2.Sf6#
        • 2.Qd3#
        • 2.Qd4#
      • 1...Rxc3
        • 2.Sf6#
      • 1...Bxc3
        • 2.Sg3#
      • 1...bxc4
        • 2.Qd4#
      • 1...f4
        • 2.Qd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • R(b);S_CUTB(a)::S(F)
    • R(b);N_GUARD::QAB1(C),XR(b)
    • R(b);N_GUARD::S(F),XR(b)
    • B(a);N_GUARD::S(F)
    • B(a);P_PINQ(C),S_CUTR(b)::S(F)
    • B(a);N_GUARD::S(F),XB(a)
  • Actual
    • P(B);
    • Threat
      • DUALS(4)
    • Vars
      • R(b);XP(B)::S(F)
      • B(a);P_PINQ(C),XP(B)::S(F)
      • P(d);XS(E)::QAR1(C)
      • P(e);::QAB1(C)
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