MESON Chess Problem Database

Problem Display
PID: 229284 (4k2r/3R3p/1p1P3P/6N1/B5R1/3p4/b4B2/5K2 w - - 0 1)

Almay, Joszef

Uj Nemezdek, 1926

4k2r/3R3p/1p1P3P/6N1/B5R1/3p4/b4B2/5K2

#2

8 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Kf8
      • 2.Rd8#
  • Tries
    • 1.Re4+?
      • 1...Kf8
        • 2.Rd8#
      • 1...Be6!
    • 1.Ra7+?
      • 1...Kd8
        • 2.Ra8#
      • 1...Kf8
        • 2.Ra8#
      • 1...b5!
    • 1.Rb7+?
      • 1...Kd8
        • 2.Rb8#
      • 1...Kf8
        • 2.Rb8#
      • 1...b5!
    • 1.Re7+?
      • 1...Kf8
        • 2.Re8#
      • 1...Kd8!
  • Keys
    • 1.Bxb6!
      • threat
        • 2.Rf7#
        • 2.Rd8#
      • 1...Rf8+
        • 2.Rf7#
      • 1...Kf8
        • 2.Rd8#
      • 1...Bb3
        • 2.Rd8#
      • 1...Bc4
        • 2.Rd8#
      • 1...Bd5
        • 2.Rd8#
      • 1...Be6
        • 2.Rd8#
      • 1...Bf7
        • 2.Rxf7#
        • 2.Rd8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 0
  • Sets
    • K(e);P-FLIGHT::R(H)
  • Tries
    • Try
      • R(D);CHECK
      • Vars
        • K(e);P-FLIGHT::R(H)
      • Refutation
        • B(a);P_SPINB(a)
    • Try
      • R(H);CHECK
      • Vars
        • K(e);P-FLIGHT::R(H)
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • R(H);CHECK
      • Vars
        • K(e);P-FLIGHT::R(H)
      • Refutation
        • P(c);P_SPINP(c)
    • Try
      • R(H);CHECK
      • Vars
        • K(e);P-FLIGHT::R1(H)
      • Refutation
        • K(e);P-FLIGHT
  • Actual
    • B(B);XP(c)
    • Threat
      • DUALS(2)
    • Vars
      • R(f);CHECK::B(C)+R(H)
      • K(e);P-FLIGHT::R(H)
      • B(a);::B(C)+R(H),DCHECK
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