MESON Chess Problem Database

Problem Display
PID: 224340 (8/5R2/N1nPR2b/p2k2n1/2p3Q1/q1Bp1pN1/1p5K/8 w - - 0 1)

Daniel, Arthur William

Sunday Chronicle, 1944

(First published on Sat Oct 14 1944)

8/5R2/N1nPR2b/p2k2n1/2p3Q1/q1Bp1pN1/1p5K/8

#2

8 + 10

15239 Valois Notebooks 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qc5
      • 2.Sc7#
    • 1...Sh3
      • 2.Qe4#
    • 1...Se4
      • 2.Qxe4#
    • 1...Sxf7
      • 2.Qe4#
    • 1...Sh7
      • 2.Qe4#
  • Tries
    • 1.Re5+?
      • 1...Kxd6
        • 2.Sf5#
        • 2.Rd7#
        • 2.Qd7#
      • 1...Sxe5!
  • Keys
    • 1.Sf5!
      • threat
        • 2.Se3#
      • 1...Qxd6+
        • 2.Rxd6#
      • 1...Kxe6
        • 2.Qxc4#
      • 1...Sxe6
        • 2.Qxf3#
      • 1...Sxf7
        • 2.Qe4#
      • 1...Sb4
        • 2.Se7#
      • 1...Sd4
        • 2.Se7#
      • 1...Se5
        • 2.Se7#
      • 1...Sa7
        • 2.Se7#
      • 1...Se7
        • 2.Sxe7#
      • 1...Sb8
        • 2.Se7#
      • 1...Sd8
        • 2.Se7#
      • 1...Qc5
        • 2.Sc7#
      • 1...Sh3
        • 2.Qe4#
      • 1...Se4
        • 2.Qxe4#
      • 1...Sh7
        • 2.Qe4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 10
    • REMOVED MATES = 0
  • Sets
    • Q(b);SBLOCK::S(E)
    • S(h);N_GUARD::QAB1(D)
    • S(h);N_GUARD::QAB1(D),XS(h)
    • S(h);N_GUARD,XR(H)::QAB1(D)
  • Tries
    • Try
      • R(G);CHECK
      • Refutation
        • S(i);XR(G)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • Q(b);CHECK,OGATE,XP(F)::R1(G),XQ(b)
      • K(g);S_FLIGHT,XR(G)::QAB(D),XP(e)
      • S(h);N_GUARD,SBLOCK,XR(G)::QAB(D),XP(d)
      • S(h);N_GUARD,XR(H)::QAB1(D)
      • S(i);N_GUARD::S(C)
      • S(i);N_GUARD::S(C),XS(i)
      • Q(b);SBLOCK::S(E)
      • S(h);N_GUARD::QAB1(D)
      • S(h);N_GUARD::QAB1(D),XS(h)
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