MESON Chess Problem Database

Problem Display
PID: 208805 (6Q1/1PqP4/2k5/2P5/1rprp3/B1N1B3/1PNP4/2K5 w - - 0 1)

Thornton, George Howard

Dubuque Chess Journal, 1876

6Q1/1PqP4/2k5/2P5/1rprp3/B1N1B3/1PNP4/2K5

#2

11 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qc8
      • 2.Qxc8#
      • 2.bxc8Q#
      • 2.dxc8Q#
    • 1...Rd5
      • 2.Qxd5#
  • Keys
    • 1.Qc8!
      • 1...Kxc5
        • 2.Qxc7#
      • 1...Qxc8
        • 2.bxc8Q#
        • 2.dxc8Q#
      • 1...Rxb2
        • 2.Sxd4#
      • 1...Rxb7
        • 2.Sxd4#
      • 1...Rxd2
        • 2.Sxb4#
      • 1...Rxd7
        • 2.Sxb4#
      • 1...Rb3
        • 2.Sxd4#
      • 1...Ra4
        • 2.Sxd4#
        • 2.b8S#
      • 1...Rb5
        • 2.Sxd4#
      • 1...Rb6
        • 2.Sxd4#
      • 1...Rd3
        • 2.Sxb4#
      • 1...Rd5
        • 2.Sxb4#
      • 1...Rd6
        • 2.Sxb4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • R(c);N_GUARD::QAB1(K),XR(c)
  • Actual
    • Q(K);P_PINQ(f)
    • Vars
      • K(e);P-FLIGHT,P_SPINR(a),XP(H)::QAR2(K),XQ(f)
      • R(a);XP(B)::S(C),XR(c)
      • R(a);XP(I)::S(C),XR(c)
      • R(c);XP(D)::S(C),XR(a)
      • R(c);XP(J)::S(C),XR(a)
      • R(a);::S(C),XR(c)
      • R(c);::S(C),XR(a)
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