MESON Chess Problem Database

Problem Display
PID: 2088 (8/1N6/4pp2/3pk3/Rp6/3Pp1PK/2B1P3/7Q w - - 0 1)

Brown, Isaac McIntyre

Bradford Illustrated Weekly Telegraph, 1893

(First published on Fri Jul 28 1893)

8/1N6/4pp2/3pk3/Rp6/3Pp1PK/2B1P3/7Q

#2

8 + 6

499 Chess Problems (Rayner) 1890
15239 Valois Notebooks 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kd4
      • 2.Qa1#
    • 1...b3
      • 2.d4#
    • 1...d4
      • 2.Ra5#
      • 2.Qe4#
  • Tries
    • 1.Kg4?
      • 1...Kd4
        • 2.Qa1#
      • 1...b3
        • 2.d4#
      • 1...d4
        • 2.Ra5#
        • 2.Qe4#
      • 1...f5+!
    • 1.Kh4?
      • 1...Kd4
        • 2.Qa1#
      • 1...Kf5
        • 2.d4#
      • 1...b3
        • 2.d4#
      • 1...d4
        • 2.Ra5#
        • 2.Qe4#
      • 1...f5!
    • 1.Ra5?
      • threat
        • 2.Qe4#
      • 1...Kd4
        • 2.Qa1#
      • 1...f5
        • 2.Qa1#
      • 1...Kf5!
    • 1.Qa1+?
      • 1...d4
        • 2.Ra5#
      • 1...Kf5!
    • 1.Qf1?
      • threat
        • 2.Qf4#
      • 1...Kd4
        • 2.Qa1#
      • 1...d4
        • 2.Ra5#
      • 1...f5!
  • Keys
    • 1.Kg2!
      • 1...Kd4
        • 2.Qa1#
      • 1...Kf5
        • 2.Qh5#
      • 1...b3
        • 2.d4#
      • 1...d4
        • 2.Ra5#
      • 1...f5
        • 2.Qh8#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • K(d);P_SPINP(b),S_FLIGHT::QAB(A)
    • P(b);::P(D)
  • Tries
    • Try
      • K(F);S_FLIGHT
      • Vars
        • K(d);P_SPINP(b),S_FLIGHT::QAB(A)
        • P(b);::P(D)
      • Refutation
        • P(f);CHECK
    • Try
      • K(F);P-FLIGHT
      • Vars
        • K(d);P_SPINP(b),S_FLIGHT::QAB(A)
        • K(d);P-FLIGHT::B(B)+P(D)
        • P(b);::P(D)
      • Refutation
        • P(f);
    • Try
      • R(G);P_PINP(c)
      • Threat
        • QAR1(A)
      • Vars
        • K(d);N_SPINP(c),S_FLIGHT::QAB(A)
        • P(f);SBLOCK::QAB(A)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • P(c);P_SPINP(c)::R(G)
      • Refutation
        • K(d);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(d);P_SPINP(b),S_FLIGHT::QAB(A)
        • P(c);OGATEB,SBLOCK::R(G)
      • Refutation
        • P(f);
  • Actual
    • K(F);S_FLIGHT
    • Vars
      • K(d);P_SPINP(b),S_FLIGHT::QAB(A)
      • K(d);P-FLIGHT::QAR2(A)
      • P(b);::P(D)
      • P(c);OGATEB,SBLOCK::R(G)
      • P(f);OGATEB,SBLOCK::QAB(A)
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