MESON Chess Problem Database

Problem Display
PID: 187891 (8/4Kp2/1p1N4/bP1k4/1r1N4/B7/3RP3/8 w - - 0 1)

Ludanyi, Antal

5th HM., Az Ujsag, 1910

8/4Kp2/1p1N4/bP1k4/1r1N4/B7/3RP3/8

#2

7 + 5

6490 yacpdb 2019

SOLUTION

  • SOUND
  • Sets
    • 1...Kc5
      • 2.Sb3#
  • Tries
    • 1.Sf3+?
      • 1...Rd4
        • 2.Rxd4#
        • 2.e4#
      • 1...Kc5!
    • 1.Sc6+?
      • 1...Rd4
        • 2.Rxd4#
        • 2.e4#
      • 1...Kc5!
    • 1.e4+?
      • 1...Kc5
        • 2.Sb3#
      • 1...Ke5!
  • Keys
    • 1.Kf6!
      • 1...Kc5
        • 2.Sb3#
      • 1...Kxd6
        • 2.Se6#
      • 1...Rxd4
        • 2.e4#
      • 1...Rxb5
        • 2.e4#
      • 1...Rb1
        • 2.e4#
      • 1...Rb2
        • 2.e4#
      • 1...Rb3
        • 2.e4#
      • 1...Ra4
        • 2.e4#
      • 1...Rc4
        • 2.e4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 8
    • REMOVED MATES = 0
  • Sets
    • K(c);P-FLIGHT,P_SPINR(a)::S(D)
  • Tries
    • Try
      • S(D);CHECK
      • Refutation
        • K(c);P-FLIGHT,P_SPINR(a)
    • Try
      • S(D);CHECK
      • Refutation
        • K(c);P-FLIGHT,P_SPINR(a)
    • Try
      • P(B);CHECK
      • Vars
        • K(c);P-FLIGHT,P_SPINR(a)::S(D)
      • Refutation
        • K(c);P-FLIGHT
  • Actual
    • K(G);S_FLIGHT
    • Vars
      • K(c);P-FLIGHT,P_SPINR(a)::S(D)
      • K(c);P-FLIGHT,P_SPINR(a),XS(F)::R(A)+S(D)
      • R(a);P_SPINR(a),XS(D)::P(B)
      • R(a);XP(E)::P(B)
      • R(a);::P(B)
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Developed and maintained by Brian Stephenson.
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