MESON Chess Problem Database

Problem Display
PID: 141346 (8/2pR4/2Pp1N2/3p3B/4P3/N2k2K1/3P4/3R2B1 w - - 0 1)

Krishnamachari, TA

Illustrated London News, 1928

(First published on Sat Jul 28 1928)

8/2pR4/2Pp1N2/3p3B/4P3/N2k2K1/3P4/3R2B1

#2

10 + 4

14868 Pirnie Collection 2011

SOLUTION

  • SOUND
  • Tries
    • 1.Bf7?
      • 1...dxe4
        • 2.Bc4#
      • 1...d4
        • 2.Bc4#
      • 1...Ke2!
    • 1.Rxd6?
      • threat
        • 2.Rxd5#
      • 1...d4
        • 2.Rxd4#
      • 1...cxd6!
    • 1.e5?
      • 1...dxe5
        • 2.Rxd5#
      • 1...d4!
  • Keys
    • 1.Sg4!
      • 1...Ke2
        • 2.Sf2#
        • 2.Se5#
      • 1...Kxe4
        • 2.Bg6#
      • 1...dxe4
        • 2.Se5#
      • 1...d4
        • 2.Sf2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(G);
      • Vars
        • P(b);OGATE,P_SPINP(c),XP(F)::B(G)
        • P(b);OGATE::B(G)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • R(J);P_PINP(b),XP(c)
      • Threat
        • R(J),XP(b)
      • Vars
        • P(b);OGATE::R1(J),XP(b)
      • Refutation
        • P(d);N_SPINP(b),XR(J)
    • Try
      • P(F);
      • Vars
        • P(c);OGATE,P_SPINP(b),XP(F)::R(J),XP(b)
      • Refutation
        • P(b);
  • Actual
    • S(I);
    • Vars
      • K(a);OGATEB,S_FLIGHT,XP(F)::B(G)
      • P(b);P_SPINP(c),SBLOCK,XP(F)::S(I)
      • P(b);SBLOCK::S(I)
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