MESON Chess Problem Database

Problem Display
PID: 687 (3N2K1/q1p1Q3/r5k1/r5B1/p7/5B2/8/8 w - - 0 1)

Kemp, Charles Edward

British Chess Magazine, 1933

3N2K1/q1p1Q3/r5k1/r5B1/p7/5B2/8/8

#2

5 + 6

15085 Australian Chess Forum 1996
3310 2345 Chess Problems 1997
15044 Kemp Archive 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rf5
      • 2.Qg7#
    • 1...Rf6
      • 2.Qxf6#
    • 1...c6
      • 2.Qf6#
  • Tries
    • 1.Bc1?
      • threat
        • 2.Qf7#
      • 1...Kf5
        • 2.Qg5#
      • 1...Rg5
        • 2.Qxg5#
      • 1...Rf5
        • 2.Qg7#
      • 1...Rf6
        • 2.Qh7#
      • 1...c5
        • 2.Qg5#
      • 1...c6
        • 2.Qe6#
      • 1...Qe3!
    • 1.Bd2?
      • threat
        • 2.Qf7#
      • 1...Kf5
        • 2.Qg5#
      • 1...Rg5
        • 2.Qxg5#
      • 1...Rf5
        • 2.Qg7#
      • 1...Rf6
        • 2.Qh7#
      • 1...c5
        • 2.Qg5#
      • 1...c6
        • 2.Qe6#
      • 1...Qe3!
    • 1.Be3?
      • threat
        • 2.Qf7#
      • 1...Kf5
        • 2.Qg5#
      • 1...Rg5
        • 2.Qxg5#
      • 1...Rf5
        • 2.Qg7#
      • 1...Rf6
        • 2.Qh7#
      • 1...c5
        • 2.Qg5#
      • 1...c6
        • 2.Qe6#
      • 1...Qxe3!
    • 1.Bh4?
      • threat
        • 2.Qh7#
      • 1...Kf5
        • 2.Qg5#
        • 2.Qe4#
      • 1...Kh6
        • 2.Qg7#
        • 2.Qh7#
      • 1...Rg5
        • 2.Qxg5#
      • 1...c5
        • 2.Qg5#
      • 1...c6
        • 2.Qf6#
        • 2.Qe6#
      • 1...Rh5!
  • Keys
    • 1.Bf4!
      • threat
        • 2.Qf7#
      • 1...Kf5
        • 2.Qg5#
      • 1...Rg5
        • 2.Qxg5#
      • 1...Rf5
        • 2.Qg7#
      • 1...Rf6
        • 2.Qh7#
      • 1...c5
        • 2.Qg5#
      • 1...c6
        • 2.Qe6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(b);SBLOCK::QAR1(C)
    • R(c);N_GUARD::QAR1(C),XR(c)
    • P(f);S_CUTR(c)::QAR1(C)
  • Tries
    • Try
      • B(B);
      • Threat
        • QAB1(C)
      • Vars
        • K(d);S_FLIGHT::QAR1(C)
        • R(b);N_GUARD::QAR1(C),XR(b)
        • R(b);SBLOCK::QAR1(C)
        • R(c);SBLOCK::QAB1(C)
        • P(f);S_CUTR(b)::QAR1(C)
        • P(f);S_CUTR(c)::QAR2(C)
      • Refutation
        • Q(e);
    • Try
      • B(B);
      • Threat
        • QAB1(C)
      • Vars
        • K(d);S_FLIGHT::QAR1(C)
        • R(b);N_GUARD::QAR1(C),XR(b)
        • R(b);SBLOCK::QAR1(C)
        • R(c);SBLOCK::QAB1(C)
        • P(f);S_CUTR(b)::QAR1(C)
        • P(f);S_CUTR(c)::QAR2(C)
      • Refutation
        • Q(e);
    • Try
      • B(B);
      • Threat
        • QAB1(C)
      • Vars
        • K(d);S_FLIGHT::QAR1(C)
        • R(b);N_GUARD::QAR1(C),XR(b)
        • R(b);SBLOCK::QAR1(C)
        • R(c);SBLOCK::QAB1(C)
        • P(f);S_CUTR(b)::QAR1(C)
        • P(f);S_CUTR(c)::QAR2(C)
      • Refutation
        • Q(e);XB(B)
    • Try
      • B(B);
      • Threat
        • QAB1(C)
      • Vars
        • R(b);N_GUARD::QAR1(C),XR(b)
        • P(f);S_CUTR(b)::QAR1(C)
      • Refutation
        • R(b);
  • Actual
    • B(B);
    • Threat
      • QAB1(C)
    • Vars
      • K(d);S_FLIGHT::QAR1(C)
      • R(b);N_GUARD::QAR1(C),XR(b)
      • R(b);SBLOCK::QAR1(C)
      • R(c);SBLOCK::QAB1(C)
      • P(f);S_CUTR(b)::QAR1(C)
      • P(f);S_CUTR(c)::QAR2(C)
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