MESON Chess Problem Database

Problem Display
PID: 151921 (5b2/3Q2p1/2p3rq/2p2p1b/rp2kn1R/1N2pp2/BB3RP1/1K5N w - - 0 1)

Dawson, Thomas Rayner

British Chess Magazine, 1936

5b2/3Q2p1/2p3rq/2p2p1b/rp2kn1R/1N2pp2/BB3RP1/1K5N

#2

9 + 14

15256 TRD Scrapbook 2014

SOLUTION

  • SOUND
  • Sets
    • 1...Rg3
      • 2.Sxg3#
    • 1...Rg4
      • 2.gxf3#
    • 1...Rd6
      • 2.Sxc5#
    • 1...Re6
      • 2.Sg3#
    • 1...Rf6
      • 2.Sg3#
    • 1...Bg4
      • 2.Sg3#
    • 1...c4
      • 2.Qd4#
  • Tries
    • 1.Sc1?
      • threat
        • 2.Qd3#
      • 1...Rg4
        • 2.gxf3#
      • 1...Rd6
        • 2.Sg3#
      • 1...Bg4
        • 2.Sg3#
      • 1...Bd6
        • 2.Qxc6#
      • 1...c4
        • 2.Qd4#
      • 1...Ra3!
    • 1.Qxc6+?
      • 1...Kd3
        • 2.Sc1#
      • 1...Rxc6!
    • 1.Qe6+?
      • 1...Kd3
        • 2.Sc1#
      • 1...Rxe6!
  • Keys
    • 1.Kc2!
      • threat
        • 2.Qd3#
      • 1...Rd6
        • 2.Sxc5#
      • 1...Bd6
        • 2.Qxc6#
      • 1...Rg4
        • 2.gxf3#
      • 1...Bg4
        • 2.Sg3#
      • 1...c4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 3
  • Sets
    • R(k);N_GUARD::S(B),XR(k)
    • R(k);N_SPINS(f),S_CUTB(i)::P(F),XP(b)
    • R(k);S_CUTB(n)::S(G),XP(g)
    • R(k);N_GUARD::S(B)
    • B(i);N_SPINS(f),S_CUTR(k)::S(B)
    • P(g);N_GUARD::QAR1(I)
  • Tries
    • Try
      • S(G);
      • Threat
        • QAB1(I)
      • Vars
        • R(k);N_SPINS(f),S_CUTB(i)::P(F),XP(b)
        • R(k);N_GUARD::S(B)
        • B(i);N_SPINS(f),S_CUTR(k)::S(B)
        • B(n);S_CUTR(k)::QAB(I),XP(j)
        • P(g);N_GUARD::QAR1(I)
      • Refutation
        • R(c);
    • Try
      • Q(I);CHECK,XP(j)
      • Vars
        • K(e);N_SPINS(f),S_FLIGHT::S(G)
      • Refutation
        • R(k);XQ(I)
    • Try
      • Q(I);CHECK
      • Vars
        • K(e);N_SPINS(f),S_FLIGHT::S(G)
      • Refutation
        • R(k);XQ(I)
  • Actual
    • K(A);S_FLIGHT
    • Threat
      • QAB1(I)
    • Vars
      • R(k);S_CUTB(n)::S(G),XP(g)
      • B(n);S_CUTR(k)::QAB(I),XP(j)
      • R(k);N_SPINS(f),S_CUTB(i)::P(F),XP(b)
      • B(i);N_SPINS(f),S_CUTR(k)::S(B)
      • P(g);N_GUARD::QAR1(I)
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