MESON Chess Problem Database

Problem Display
PID: 189886 (1N1rn3/1R1pp1b1/b2kpp2/1p6/1P1PP3/B1N5/4K3/3Q4 w - - 0 1)

Lawton, Howard

Pittsburgh Gazette-Times, 1912

1N1rn3/1R1pp1b1/b2kpp2/1p6/1P1PP3/B1N5/4K3/3Q4

#2

9 + 10

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Rc8
      • 2.Rxd7#
    • 1...Bxb7
      • 2.Sxb5#
    • 1...Sc7
      • 2.Rb6#
  • Keys
    • 1.Qa4!
      • threat
        • 2.Qxa6#
      • 1...bxa4+
        • 2.b5#
      • 1...Bxb7
        • 2.Sxb5#
      • 1...Rc8
        • 2.Rxd7#
      • 1...Sc7
        • 2.Rb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • R(i);N_GUARD::R1(H),XP(f)
    • B(b);N_GUARD,XR(H)::S(D),XP(a)
    • S(j);SBLOCK::R(H)
  • Actual
    • Q(A);
    • Threat
      • QAR(A),XB(b)
    • Vars
      • P(a);CHECK,OGATE,XQ(A)::B(C)+P(E)
      • B(b);N_GUARD,XR(H)::S(D),XP(a)
      • R(i);N_GUARD::R1(H),XP(f)
      • S(j);SBLOCK::R(H)
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