MESON Chess Problem Database

Problem Display
PID: 21414 (2N1n1N1/4P3/2p1P3/4kBp1/n1P1p1P1/6P1/1p1Q4/bK6 w - - 0 1)

Warton, Thomas Joseph

Western Daily Mercury, 1918

(First published on Fri Sep 20 1918)

2N1n1N1/4P3/2p1P3/4kBp1/n1P1p1P1/6P1/1p1Q4/bK6

#2

10 + 8

15239 Valois Notebooks 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Sc3+
      • 2.Qxc3#
    • 1...Sc5
      • 2.Qc3#
    • 1...Sb6
      • 2.Qc3#
    • 1...Sd6
      • 2.Qxd6#
    • 1...Sf6
      • 2.Qd6#
    • 1...Sc7
      • 2.Qd6#
    • 1...Sg7
      • 2.Qd6#
    • 1...e3
      • 2.Qxe3#
    • 1...c5
      • 2.Qd5#
  • Tries
    • 1.Sa7?
      • threat
        • 2.Sxc6#
      • 1...c5
        • 2.Sc6#
        • 2.Qd5#
      • 1...Sc3+!
    • 1.Qd3?
      • threat
        • 2.Qxe4#
      • 1...Sc3+
        • 2.Qxc3#
      • 1...Sd6
        • 2.Qxd6#
      • 1...Sc5
        • 2.Qc3#
      • 1...Sf6
        • 2.Qd6#
      • 1...e3
        • 2.Qe4#
        • 2.Qxe3#
      • 1...exd3!
  • Keys
    • 1.Sf6!
      • threat
        • 2.Sd7#
      • 1...Sc3+
        • 2.Qxc3#
      • 1...Kxf6
        • 2.Qd4#
      • 1...Sxf6
        • 2.Qd6#
      • 1...Sc5
        • 2.Qc3#
      • 1...Sb6
        • 2.Qc3#

FEATURES

  • Static
    • TYPE = BLOCK_THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • S(c);CHECK,N_GUARD::QAB(B),XS(c)
    • S(c);N_GUARD::QAB(B)
    • S(h);N_GUARD::QAB1(B),XS(h)
    • S(h);N_GUARD::QAB1(B)
    • P(d);OGATEB::QAR2(B),XP(d)
    • P(g);N_GUARD::QAR1(B)
  • Tries
    • Try
      • S(I);
      • Threat
        • S(I),XP(g)
      • Refutation
        • S(c);CHECK
    • Try
      • Q(B);
      • Threat
        • QAR1(B),XP(d)
      • Vars
        • S(c);CHECK,N_GUARD::QAB(B),XS(c)
        • S(h);N_GUARD::QAB1(B),XS(h)
        • S(c);N_GUARD::QAB(B)
        • S(h);N_GUARD::QAB1(B)
      • Refutation
        • P(d);XQ(B)
  • Actual
    • S(J);
    • Threat
      • S(J)
    • Vars
      • S(c);CHECK,N_GUARD::QAB(B),XS(c)
      • K(e);S_FLIGHT,XS(J)::QAB(B)
      • S(h);N_GUARD,SBLOCK,XS(J)::QAB1(B)
      • S(c);N_GUARD::QAB(B)
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