MESON Chess Problem Database

Problem Display
PID: 51609 (R3K3/7P/pp2k2r/P7/2P4P/2BP4/B7/1Q6 w - - 0 1)

Barrow, John Hugh

Cork Weekly News, 1915

R3K3/7P/pp2k2r/P7/2P4P/2BP4/B7/1Q6

#2

10 + 4

5257 Chess Problems by J H Barrow 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Kd6
      • 2.Qxb6#
  • Tries
    • 1.Qe1+?
      • 1...Kf5
        • 2.Qe4#
      • 1...Kd6!
    • 1.Qf1?
      • threat
        • 2.c5#
      • 1...Rxh4
        • 2.Qf6#
      • 1...Rh5
        • 2.Qf6#
      • 1...Kd6!
    • 1.Qb5?
      • threat
        • 2.Qd7#
        • 2.Qd5#
        • 2.Qe5#
      • 1...Kd6
        • 2.Qxb6#
      • 1...Rxh7
        • 2.Qd5#
        • 2.Qe5#
      • 1...Rh5
        • 2.Qd7#
      • 1...axb5!
  • Keys
    • 1.d4!
      • 1...Kd6
        • 2.Qxb6#
      • 1...Kf6
        • 2.d5#
      • 1...Rxh4
        • 2.Qg6#
      • 1...Rxh7
        • 2.Qg6#
      • 1...bxa5
        • 2.Rxa6#
      • 1...Rh5
        • 2.Qg6#
      • 1...Rf6
        • 2.c5#
      • 1...Rg6
        • 2.Qxg6#
      • 1...b5
        • 2.Rxa6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT::QAR2(A),XP(b)
  • Tries
    • Try
      • Q(A);CHECK
      • Vars
        • K(c);S_FLIGHT::QAB1(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • B(B)+P(E)
      • Vars
        • R(d);N_GUARD,XP(F)::QAR1(A)
        • R(d);N_GUARD::QAR1(A)
      • Refutation
        • K(c);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • DUALS(3)
      • Vars
        • K(c);P-FLIGHT::QAR2(A),XP(b)
        • R(d);::QAB1(A)
      • Refutation
        • P(a);XQ(A)
  • Actual
    • P(D);
    • Vars
      • K(c);P-FLIGHT::QAR2(A),XP(b)
      • K(c);P-FLIGHT::B(C)+P(D)
      • R(d);N_GUARD,XP(F)::QAR2(A)
      • R(d);N_GUARD,XP(H)::QAR2(A)
      • P(b);OGATEB,XP(G)::R(I),XP(a)
      • R(d);N_GUARD::QAR2(A)
      • R(d);SBLOCK::B(B)+P(E)
      • R(d);N_GUARD::QAR2(A),XR(d)
      • P(b);OGATEB::R(I),XP(a)
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