MESON Chess Problem Database

Problem Display
PID: 48119 (8/2KR4/2p3p1/N3k1p1/3nn1B1/5QP1/1Bq3N1/b7 w - - 0 1)

Dawson, Thomas Rayner

British Chess Magazine, 1946

8/2KR4/2p3p1/N3k1p1/3nn1B1/5QP1/1Bq3N1/b7

#2

8 + 8

3979 Systematic Terminology 1984
15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qb1
      • 2.Sc4#
      • 2.Sxc6#
    • 1...Qd1
      • 2.Sc4#
      • 2.Sxc6#
    • 1...Qb3
      • 2.Sxc6#
    • 1...Qd3
      • 2.Sxc6#
    • 1...Qxb2
      • 2.Sc4#
    • 1...Qd2
      • 2.Sc4#
      • 2.Sxc6#
    • 1...Qe2
      • 2.Sxc6#
    • 1...Qf2
      • 2.Sc4#
      • 2.Sxc6#
    • 1...Qxg2
      • 2.Sc4#
      • 2.Sxc6#
    • 1...Qc4
      • 2.Sxc4#
    • 1...Sd2
      • 2.Re7#
    • 1...Sf2
      • 2.Re7#
    • 1...Sc3
      • 2.Sc4#
    • 1...Sxg3
      • 2.Re7#
    • 1...Sc5
      • 2.Sxc6#
    • 1...Sd6
      • 2.Re7#
    • 1...Sf6
      • 2.Re7#
    • 1...c5
      • 2.Sc6#
  • Keys
    • 1.Sh4!
      • threat
        • 2.Sxg6#
      • 1...Sxg3
        • 2.Re7#
      • 1...gxh4
        • 2.Qf4#
      • 1...Sd2
        • 2.Re7#
      • 1...Sf2
        • 2.Re7#
      • 1...Sc3
        • 2.Sc4#
      • 1...Sc5
        • 2.Sxc6#
      • 1...Sd6
        • 2.Re7#
      • 1...Sf6
        • 2.Re7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 6
  • Sets
    • Q(b);N_GUARD::S(F),XP(g)
    • Q(b);N_GUARD,N_SPINS(c),XB(A)::S(F)
    • Q(b);N_GUARD::S(F),XQ(b)
    • S(d);::R(H)
    • S(d);N_SPINS(c),S_CUTQ(b)::S(F)
    • S(d);XP(D)::R(H)
    • S(d);S_CUTQ(b)::S(F),XP(g)
    • P(g);S_CUTQ(b)::S(F)
  • Actual
    • S(B);
    • Threat
      • S(B),XP(h)
    • Vars
      • S(d);XP(D)::R(H)
      • P(f);N_GUARD,XS(B)::QAB1(C)
      • S(d);::R(H)
      • S(d);N_SPINS(c),S_CUTQ(b)::S(F)
      • S(d);S_CUTQ(b)::S(F),XP(g)
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