MESON Chess Problem Database

Problem Display
PID: 148413 (q4r2/3P4/2bR1nN1/1pr3p1/7B/2Ppk3/P2N2Rp/3BK1b1 w - - 0 1)

Dawson, Thomas Rayner

Western Daily Mercury, 1912

q4r2/3P4/2bR1nN1/1pr3p1/7B/2Ppk3/P2N2Rp/3BK1b1

#2

10 + 11

15256 TRD Scrapbook 2013

SOLUTION

  • SOUND
  • Sets
    • 1...Rxc3
      • 2.Bxg5#
    • 1...Rd5
      • 2.Rg3#
    • 1...Bf2+
      • 2.Bxf2#
    • 1...Be4
      • 2.Sf1#
    • 1...Bd5
      • 2.Bxg5#
    • 1...Sd5
      • 2.Re6#
  • Tries
    • 1.Bc2?
      • threat
        • 2.Rxd3#
      • 1...Bf2+
        • 2.Bxf2#
      • 1...Rxc3
        • 2.Bxg5#
      • 1...dxc2
        • 2.Re2#
      • 1...Rd5
        • 2.Rg3#
      • 1...Bd5
        • 2.Bxg5#
      • 1...Sd5
        • 2.Re6#
      • 1...Be4!
    • 1.Re6+?
      • 1...Re5
        • 2.Bxg5#
      • 1...Be4
        • 2.Sf1#
        • 2.Rg3#
      • 1...Se4!
  • Keys
    • 1.Be2!
      • threat
        • 2.Rxd3#
      • 1...Bf2+
        • 2.Bxf2#
      • 1...Rxc3
        • 2.Bxg5#
      • 1...dxe2
        • 2.Rxe2#
      • 1...Rd5
        • 2.Rg3#
      • 1...Be4
        • 2.Sf1#
      • 1...Bd5
        • 2.Bxg5#
      • 1...Sd5
        • 2.Re6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(f);N_GUARD,XP(F)::B(G),XP(g)
    • R(f);S_CUTB(h)::R(E)
    • B(a);CHECK,N_GUARD::B(G),XB(a)
    • B(h);SBLOCK::S(D)
    • B(h);S_CUTR(f)::B(G),XP(g)
    • S(i);N_GUARD,S_CUTB(h),S_CUTR(f)::R(H)
  • Tries
    • Try
      • B(A);
      • Threat
        • R1(H),XP(c)
      • Vars
        • B(a);CHECK,N_GUARD::B(G),XB(a)
        • R(f);N_GUARD,XP(F)::B(G),XP(g)
        • P(c);N_GUARD,XB(A)::R1(E)
        • R(f);S_CUTB(h)::R(E)
        • B(h);S_CUTR(f)::B(G),XP(g)
        • S(i);N_GUARD,S_CUTB(h),S_CUTR(f)::R(H)
      • Refutation
        • B(h);
    • Try
      • R(H);CHECK
      • Vars
        • R(f);P_SPINR(f)::B(G),XP(g)
      • Refutation
        • S(i);P_SPINS(i)
  • Actual
    • B(A);
    • Threat
      • R1(H),XP(c)
    • Vars
      • B(a);CHECK,N_GUARD::B(G),XB(a)
      • R(f);N_GUARD,XP(F)::B(G),XP(g)
      • P(c);OGATE,XB(A)::R1(E),XP(c)
      • R(f);S_CUTB(h)::R(E)
      • B(h);SBLOCK::S(D)
      • B(h);S_CUTR(f)::B(G),XP(g)
      • S(i);N_GUARD,S_CUTB(h),S_CUTR(f)::R(H)
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