MESON Chess Problem Database

Problem Display
PID: 151232 (1n1r4/2Rp3p/1prR1N1K/1Bk1BP1p/Pp3N2/1bP5/2q5/6b1 w - - 0 1)

Dawson, Thomas Rayner

British Chess Magazine, 1935

1n1r4/2Rp3p/1prR1N1K/1Bk1BP1p/Pp3N2/1bP5/2q5/6b1

#2

10 + 12

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Qd1
      • 2.Se4#
    • 1...Qd3
      • 2.Sxd3#
    • 1...Qe4
      • 2.Sxe4#
    • 1...Qc1
      • 2.Se4#
    • 1...Qa2
      • 2.Sd3#
      • 2.Se4#
    • 1...Qb2
      • 2.Sd3#
      • 2.Se4#
    • 1...Qd2
      • 2.Se4#
    • 1...Qf2
      • 2.Sd3#
      • 2.Se4#
    • 1...Qg2
      • 2.Sd3#
    • 1...Qh2
      • 2.Sd3#
      • 2.Se4#
    • 1...Qxc3
      • 2.Se4#
    • 1...Bd4
      • 2.cxd4#
    • 1...Bxa4
      • 2.Rd5#
    • 1...Bd5
      • 2.Rxd5#
  • Tries
    • 1.Sxd7+?
      • 1...Sxd7
        • 2.Rdxc6#
        • 2.Rcxc6#
      • 1...Rxd7!
  • Keys
    • 1.Rd3!
      • threat
        • 2.Bd6#
      • 1...Qxd3
        • 2.Sxd3#
      • 1...Bxa4
        • 2.Rd5#
      • 1...Bd4
        • 2.cxd4#
      • 1...Bd5
        • 2.Rxd5#
      • 1...d5
        • 2.Se6#
      • 1...d6
        • 2.Se4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • Q(b);N_GUARD::S(H)
    • Q(b);N_GUARD::S(C),XQ(b)
    • Q(b);N_GUARD::S(H),XQ(b)
    • Q(b);N_GUARD,P_PINS(C)::S(H)
    • Q(b);N_GUARD::S(C)
    • Q(b);N_GUARD,XP(A)::S(H)
    • B(a);OGATE::P(A),XB(a)
    • B(c);N_GUARD,XP(B)::R1(G)
    • B(c);N_GUARD::R1(G),XB(c)
  • Tries
    • Try
      • S(H);CHECK,P_SPINR(G),XP(i)
      • Refutation
        • R(l);XS(H)
  • Actual
    • R(G);P_SPINS(H)
    • Threat
      • B(E)
    • Vars
      • Q(b);XR(G)::S(C),XQ(b)
      • B(c);N_GUARD,XP(B)::R1(G)
      • B(a);OGATE::P(A),XB(a)
      • B(c);N_GUARD::R1(G),XB(c)
      • P(i);N_GUARD,S_CUTB(c)::S(C)
      • P(i);N_PINS(H)::S(H)
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Developed and maintained by Brian Stephenson.
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