MESON Chess Problem Database

Problem Display
PID: 146412 (3b1n1N/2nRpR2/pN2P1P1/K3k1p1/4P1br/1BPp1P1p/1B6/Q7 w - - 0 1)

Kemp, Charles Edward

Manchester Weekly Times, 1920

(First published on Sat Aug 21 1920)

3b1n1N/2nRpR2/pN2P1P1/K3k1p1/4P1br/1BPp1P1p/1B6/Q7

#2

13 + 11

15044 Kemp Archive 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Rxf5#
    • 1...Bh5
      • 2.Rf5#
    • 1...Bxe6
      • 2.c4#
    • 1...Scxe6
      • 2.Rd5#
    • 1...Sfxe6
      • 2.Sc4#
    • 1...Sxg6
      • 2.Sxg6#
  • Tries
    • 1.Qg1?
      • threat
        • 2.Qh2#
        • 2.Qd4#
        • 2.Qg3#
      • 1...Bxf3
        • 2.Qd4#
      • 1...Bxe6
        • 2.Qd4#
        • 2.c4#
      • 1...Scxe6
        • 2.Rd5#
      • 1...Sfxe6
        • 2.Sc4#
      • 1...Sxg6
        • 2.Sxg6#
        • 2.Qd4#
      • 1...Bf5
        • 2.Rxf5#
      • 1...Bh5
        • 2.Rf5#
        • 2.Qd4#
        • 2.Qxg5#
      • 1...Sb5
        • 2.Qh2#
        • 2.Qc5#
        • 2.Qg3#
      • 1...h2
        • 2.Qd4#
        • 2.Qg3#
      • 1...Sd5!
  • Keys
    • 1.Qe1!
      • threat
        • 2.Qg3#
      • 1...Bxf3
        • 2.Rf5#
      • 1...Bxe6
        • 2.c4#
      • 1...Scxe6
        • 2.Rd5#
      • 1...Sfxe6
        • 2.Sc4#
      • 1...Sxg6
        • 2.Sxg6#
      • 1...Bf5
        • 2.Rxf5#
      • 1...Sd5
        • 2.exd5#
      • 1...Bh5
        • 2.Rf5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • B(c);N_GUARD::R1(L),XB(c)
    • B(c);N_GUARD::R1(L)
    • B(c);SBLOCK,XP(I)::B(B)+P(D)
    • S(h);N_GUARD,P_PINS(H),SBLOCK,XP(I)::R1(K)
    • S(k);SBLOCK,XP(I)::S(H)
    • S(k);XP(J)::S(M),XS(k)
  • Tries
    • Try
      • Q(A);
      • Threat
        • DUALS(3)
      • Vars
        • B(c);XP(E)::QAB1(A)
        • S(h);N_GUARD,P_PINS(H),SBLOCK,XP(I)::R1(K)
        • S(k);SBLOCK,XP(I)::S(H)
        • B(c);N_GUARD::R1(L),XB(c)
      • Refutation
        • S(h);P_PINS(H)
  • Actual
    • Q(A);
    • Threat
      • QAB(A)
    • Vars
      • B(c);N_GUARD,XP(E)::R1(L)
      • B(c);SBLOCK,XP(I)::B(B)+P(D)
      • S(h);N_GUARD,P_PINS(H),SBLOCK,XP(I)::R1(K)
      • S(k);SBLOCK,XP(I)::S(H)
      • S(k);XP(J)::S(M),XS(k)
      • B(c);N_GUARD::R1(L),XB(c)
      • S(h);OGATE,P_PINS(H)::QAR(A)+P(F),XS(h)
      • B(c);N_GUARD::R1(L)
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