MESON Chess Problem Database

Problem Display
PID: 77428 (3N1b2/4nK2/3pQp2/nr4p1/q4k2/r4P1B/b4P2/B5N1 w - - 0 1)

Holladay, Edgar Dinwiddie

Holladay Chess Problems, 2007

3N1b2/4nK2/3pQp2/nr4p1/q4k2/r4P1B/b4P2/B5N1

#2

8 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rab3
      • 2.Qg4#
    • 1...Rxf3
      • 2.Se2#
    • 1...Rbb3
      • 2.Qg4#
      • 2.Qxd6#
    • 1...Rd5
      • 2.Qg4#
    • 1...Bb1
      • 2.Qg4#
    • 1...Bxe6+
      • 2.Sxe6#
    • 1...Sb3
      • 2.Qg4#
      • 2.Qe3#
    • 1...Sc4
      • 2.Qg4#
      • 2.Qe4#
    • 1...Sd5
      • 2.Qg4#
      • 2.Qf5#
    • 1...d5
      • 2.Qg4#
      • 2.Qd6#
  • Keys
    • 1.Bg4!
      • threat
        • 2.Se2#
        • 2.Sh3#
      • 1...Bxe6+
        • 2.Sxe6#
      • 1...Rxf3
        • 2.Se2#
      • 1...Qd1
        • 2.Sh3#
      • 1...Qc2
        • 2.Sh3#
      • 1...Qc4
        • 2.Sh3#
      • 1...Qe4
        • 2.Sh3#
      • 1...Re3
        • 2.Sh3#
      • 1...Rb2
        • 2.Sh3#
      • 1...Re5
        • 2.Sh3#
      • 1...Bc4
        • 2.Sh3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 3
  • Sets
    • R(b);N_PINQ(F)::QAR1(F)
    • R(b);SBLOCK,XP(D)::S(B)
    • R(f);N_PINQ(F)::QAR1(F)
    • B(a);N_PINQ(F)::QAR1(F)
    • B(a);CHECK,XQ(F)::S(H),XB(a)
  • Actual
    • B(E);
    • Threat
      • DUALS(2)
    • Vars
      • B(a);CHECK,XQ(F)::S(H),XB(a)
      • R(b);XP(D)::S(B)
      • Q(c);::S(B)
      • R(b);::S(B)
      • R(f);::S(B)
      • B(a);::S(B)
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