MESON Chess Problem Database

Problem Display
PID: 6016 (8/6bb/1Q1Nr1n1/3k1B1N/8/2B5/8/6RK w - - 0 1)

Barrow, John Hugh

1st Prize, Grantham Journal, 1926

8/6bb/1Q1Nr1n1/3k1B1N/8/2B5/8/6RK

#2

7 + 5

70 American Chess Problemist 1950
3098 FIDE Album (1914-1944) (I) 1971
15593 170 Skakopgaver (Jorgensen) 1975
3310 2345 Chess Problems 1997
5257 Chess Problems by J H Barrow 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Re5
      • 2.Rd1#
    • 1...Rxd6
      • 2.Qb5#
    • 1...Rf6
      • 2.Rd1#
    • 1...Be5
      • 2.Be4#
    • 1...Bf8
      • 2.Rd1#
    • 1...Sf4
      • 2.Sxf4#
    • 1...Sh4
      • 2.Sf4#
    • 1...Se5
      • 2.Sf4#
    • 1...Se7
      • 2.Sf4#
    • 1...Sf8
      • 2.Sf4#
    • 1...Sh8
      • 2.Sf4#
  • Tries
    • 1.Sf6+?
      • 1...Rxf6
        • 2.Rd1#
      • 1...Bxf6!
    • 1.Bb4?
      • threat
        • 2.Qc5#
      • 1...Ke5
        • 2.Qc5#
      • 1...Bd4!
  • Keys
    • 1.Be5!
      • threat
        • 2.Qb5#
      • 1...Kxe5
        • 2.Qc5#
      • 1...Rxe5
        • 2.Rd1#
      • 1...Bxe5
        • 2.Be4#
      • 1...Sxe5
        • 2.Sf4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • R(b);S_CUTB(d)::R(A)
    • R(b);SBLOCK,XS(G)::QAR2(F)
    • B(d);S_CUTR(b)::B(D)
    • B(d);N_GUARD::R(A)
    • S(c);N_GUARD::S(E),XS(c)
    • S(c);N_GUARD::S(E)
  • Tries
    • Try
      • S(E);CHECK
      • Vars
        • R(b);XS(E)::R(A)
      • Refutation
        • B(d);XS(E)
    • Try
      • B(C);
      • Threat
        • QAR1(F)
      • Vars
        • K(a);P-FLIGHT::QAR2(F)
      • Refutation
        • B(d);
  • Actual
    • B(C);
    • Threat
      • QAR2(F)
    • Vars
      • K(a);P-FLIGHT,XB(C)::QAR2(F)
      • R(b);SBLOCK,XB(C)::R(A)
      • B(d);SBLOCK,XB(C)::B(D)
      • S(c);N_GUARD,SBLOCK,XB(C)::S(E)
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