MESON Chess Problem Database

Problem Display
PID: 69243 (4R3/8/3b3Q/8/1N1kP3/3P4/1K6/8 w - - 0 1)

Papot, AP

Tijdschrift vd NSB, 1897

4R3/8/3b3Q/8/1N1kP3/3P4/1K6/8

#2

6 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...Bh2
      • 2.Qb6#
    • 1...Bg3
      • 2.Qb6#
    • 1...Bf4
      • 2.Qb6#
    • 1...Be5
      • 2.Qb6#
    • 1...Bb8
      • 2.Qb6#
  • Tries
    • 1.Rd8?
      • 1...Ke5
        • 2.Sc6#
        • 2.Qxd6#
      • 1...Kc5!
  • Keys
    • 1.Re5!
      • threat
        • 2.Rd5#
      • 1...Kxe5
        • 2.Sc6#
      • 1...Bxe5
        • 2.Qb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 4
  • Sets
    • B(b);OGATE::QAB(E)
  • Tries
    • Try
      • R(F);P_PINB(b)
      • Refutation
        • K(a);N_SPINB(b),S_FLIGHT
  • Actual
    • R(F);
    • Threat
      • R1(F)
    • Vars
      • K(a);S_FLIGHT,XR(F)::S(C)
      • B(b);OGATE,SBLOCK,XR(F)::QAB(E)
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