MESON Chess Problem Database

Problem Display
PID: 151876 (2BR2K1/2P2pQ1/R4P2/r3kr1N/1B2p2p/2n2P2/1p1P4/3n1b2 w - - 0 1)

Booth, David (Jr)

2nd HM., Good Companions (February), 1915

2BR2K1/2P2pQ1/R4P2/r3kr1N/1B2p2p/2n2P2/1p1P4/3n1b2

#2

11 + 10

15 British Chess Magazine 1915

SOLUTION

  • SOUND
  • Sets
    • 1...Rg5
      • 2.Qxg5#
      • 2.f4#
    • 1...Rxf6
      • 2.Qxf6#
      • 2.f4#
    • 1...Sf2
      • 2.Bxc3#
    • 1...Se3
      • 2.Bxc3#
    • 1...Se2
      • 2.Rxa5#
    • 1...e3
      • 2.d4#
  • Tries
    • 1.Qg3+?
      • 1...Rf4
        • 2.Qxf4#
      • 1...hxg3!
  • Keys
    • 1.Qg1!
      • threat
        • 2.Qd4#
      • 1...Rg5+
        • 2.Qxg5#
      • 1...Rxh5
        • 2.Qh2#
      • 1...Rd5
        • 2.Re8#
      • 1...Sf2
        • 2.Bxc3#
      • 1...Se3
        • 2.Bxc3#
      • 1...Se2
        • 2.Rxa5#
      • 1...Sb5
        • 2.Qc5#
      • 1...Sd5
        • 2.Bd6#
      • 1...e3
        • 2.d4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • S(a);N_GUARD::B(C),XS(d)
    • S(d);N_GUARD,S_CUTB(b)::R(E),XR(g)
    • P(e);N_GUARD::P(A)
  • Tries
    • Try
      • Q(H);CHECK
      • Vars
        • R(i);N_GUARD,P_SPINR(i)::QAB1(H),XR(i)
      • Refutation
        • P(f);XQ(H)
  • Actual
    • Q(H);
    • Threat
      • QAB1(H)
    • Vars
      • R(i);CHECK,OGATEB::QAR2(H),XR(i)
      • R(i);N_GUARD,XS(D)::QAB(H)
      • R(g);SBLOCK::R(J)
      • S(a);N_GUARD::B(C),XS(d)
      • S(d);N_GUARD,S_CUTB(b)::R(E),XR(g)
      • S(d);N_GUARD,S_CUTR(g)::QAR2(H)
      • S(d);SBLOCK::B(C)
      • P(e);N_GUARD::P(A)
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