MESON Chess Problem Database

Problem Display
PID: 157 (bQ4RK/4Np1p/5k2/r1Bn1Pp1/7r/8/3N1Rnb/7q w - - 0 1)

Gooderson, Arthur R

4th Prize, Olympic Ty., 1948

bQ4RK/4Np1p/5k2/r1Bn1Pp1/7r/8/3N1Rnb/7q

#2

8 + 11

14617 Olympic Ty. Award (1948) 1948
3105 FIDE Album (1945-1955) 1964
3207 A R Gooderson An English Progressive 1996
4640 Chess Wizardry: The New ABC of Chess Problems 1996

SOLUTION

  • SOUND
  • Sets
    • 1...Rh3
      • 2.Se4#
    • 1...Re4
      • 2.Sxe4#
    • 1...Rf4
      • 2.Qd6#
    • 1...Rh5
      • 2.Se4#
    • 1...Rh6
      • 2.Se4#
    • 1...Bg1
      • 2.Qd6#
    • 1...Bf4
      • 2.Se4#
    • 1...Bd6
      • 2.Qxd6#
    • 1...Sf4
      • 2.Qb2#
    • 1...g4
      • 2.Se4#
  • Tries
    • 1.Bd4+?
      • 1...Kxe7
        • 2.Qd8#
      • 1...Be5
        • 2.Qxe5#
        • 2.Qd6#
      • 1...Rxd4!
  • Keys
    • 1.Re8!
      • threat
        • 2.Sg8#
      • 1...Sxe7
        • 2.Bxe7#
      • 1...g4
        • 2.Se4#
      • 1...Rf4
        • 2.Qd6#
      • 1...Bf4
        • 2.Se4#
      • 1...Sgf4
        • 2.Bd4#
      • 1...Sdf4
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 6
  • Sets
    • R(d);N_GUARD::S(A)
    • R(d);N_GUARD::S(A),XR(d)
    • R(d);S_CUTB(c)::QAR2(F)
    • B(c);N_GUARD::QAR2(F)
    • B(c);S_CUTR(d)::S(A)
    • B(c);N_GUARD::QAR2(F),XB(c)
    • S(f);N_GUARD,S_CUTB(c),S_CUTR(d)::QAB(F)
    • P(g);S_CUTR(d)::S(A)
  • Tries
    • Try
      • B(C);CHECK
      • Vars
        • K(h);S_FLIGHT,XS(E)::QAB1(F)
      • Refutation
        • R(d);XB(C)
  • Actual
    • R(G);
    • Threat
      • S(E)
    • Vars
      • S(f);OGATE,XS(E)::B(C),XS(f)
      • P(g);S_CUTR(d)::S(A)
      • R(d);S_CUTB(c)::QAR2(F)
      • B(c);S_CUTR(d)::S(A)
      • S(b);S_CUTB(c),S_CUTR(d)::B(C)
      • S(f);N_GUARD,S_CUTB(c),S_CUTR(d)::QAB(F)
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