MESON Chess Problem Database

Problem Display
PID: 21734 (Bqbrn3/2bpQ3/8/2P2P1p/P1k4r/P1ppBN1p/P7/3N3K w - - 0 1)

Mansfield, Comins

Western Daily Mercury, 1920

(First published on Fri Sep 17 1920)

Bqbrn3/2bpQ3/8/2P2P1p/P1k4r/P1ppBN1p/P7/3N3K

#2

11 + 12

3202 Complete Mansfield/I 1996
15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Re4
      • 2.Qxe4#
    • 1...Bf4
      • 2.Qe4#
    • 1...Bd6
      • 2.Qf7#
    • 1...Sd6
      • 2.Se5#
    • 1...c2
      • 2.Sd2#
    • 1...d6
      • 2.Qxh4#
  • Tries
    • 1.Bf2?
      • threat
        • 2.Se3#
      • 1...d2
        • 2.Qe2#
      • 1...Re4
        • 2.Qxe4#
      • 1...Bf4
        • 2.Qe4#
      • 1...Bd6
        • 2.Qf7#
      • 1...Sd6
        • 2.Se5#
      • 1...c2
        • 2.Sd2#
      • 1...d6
        • 2.Qxh4#
      • 1...Qb1!
  • Keys
    • 1.Bg1!
      • threat
        • 2.Se3#
      • 1...d2
        • 2.Qe2#
      • 1...Re4
        • 2.Qxe4#
      • 1...Bf4
        • 2.Qe4#
      • 1...Bd6
        • 2.Qf7#
      • 1...Sd6
        • 2.Se5#
      • 1...c2
        • 2.Sd2#
      • 1...d6
        • 2.Qxh4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(e);N_GUARD::QAR2(J),XR(e)
    • B(g);S_CUTR(e)::QAR2(J)
    • B(g);S_CUTP(h)::QAB(J)
    • S(l);S_CUTB(g)::S(F)
    • P(a);N_GUARD::S(F)
    • P(h);S_CUTB(g)::QAR(J),XR(e)
  • Tries
    • Try
      • B(E);
      • Threat
        • S(A)
      • Vars
        • P(b);OGATEB::QAB(J)
        • R(e);N_GUARD::QAR2(J),XR(e)
        • B(g);S_CUTR(e)::QAR2(J)
        • B(g);S_CUTP(h)::QAB(J)
        • S(l);S_CUTB(g)::S(F)
        • P(a);N_GUARD::S(F)
        • P(h);S_CUTB(g)::QAR(J),XR(e)
      • Refutation
        • Q(i);P_PINS(A)
  • Actual
    • B(E);
    • Threat
      • S(A)
    • Vars
      • P(b);OGATEB::QAB(J)
      • R(e);N_GUARD::QAR2(J),XR(e)
      • B(g);S_CUTR(e)::QAR2(J)
      • B(g);S_CUTP(h)::QAB(J)
      • S(l);S_CUTB(g)::S(F)
      • P(a);N_GUARD::S(F)
      • P(h);S_CUTB(g)::QAR(J),XR(e)
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