MESON Chess Problem Database

Problem Display
PID: 207523 (RK6/8/2N5/Nkpn2RQ/8/8/PP6/8 w - - 0 1)

Martindale, Frank W

Chess Problems - Martindale, FW, 1872

RK6/8/2N5/Nkpn2RQ/8/8/PP6/8

#2

8 + 3

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Qe2+?
      • 1...Ka4
        • 2.Sb3#
        • 2.Sb7#
      • 1...Kb6
        • 2.Ra6#
        • 2.Qa6#
      • 1...c4!
  • Keys
    • 1.Sc4!
      • 1...Kxc4
        • 2.Qe2#
      • 1...Kxc6
        • 2.Qe8#
      • 1...Sc3
        • 2.Rxc5#
      • 1...Se3
        • 2.Rxc5#
      • 1...Sb4
        • 2.Rxc5#
      • 1...Sf4
        • 2.Rxc5#
      • 1...Sb6
        • 2.Rxc5#
      • 1...Sf6
        • 2.Rxc5#
      • 1...Sc7
        • 2.Rxc5#
      • 1...Se7
        • 2.Rxc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(E);CHECK
      • Refutation
        • P(b);P_SPINP(b),P_SPINS(c)
  • Actual
    • S(C);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XS(C)::QAB(E)
      • K(a);OGATEB,S_FLIGHT,XS(F)::QAB(E)
      • S(c);OGATE,P_SPINP(b)::R1(D),XP(b)
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