MESON Chess Problem Database

Problem Display
PID: 224605 (2r5/B2R1N2/1r6/2kp4/3N2R1/K1Pp4/5p2/5Q2 w - - 0 1)

von Hoene, HH

Nashville Daily American, 1888

2r5/B2R1N2/1r6/2kp4/3N2R1/K1Pp4/5p2/5Q2

#2

8 + 6

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rc7
      • 2.Rxc7#
    • 1...Ra8
      • 2.Rc7#
    • 1...Rb8
      • 2.Rc7#
    • 1...Rd8
      • 2.Rc7#
    • 1...Re8
      • 2.Rc7#
    • 1...Rf8
      • 2.Rc7#
    • 1...Rg8
      • 2.Rc7#
    • 1...Rh8
      • 2.Rc7#
    • 1...d2
      • 2.Qb5#
  • Tries
    • 1.Ka4?
      • 1...Rc6
        • 2.Sb3#
      • 1...Rc7
        • 2.Rxc7#
      • 1...Ra8
        • 2.Rc7#
      • 1...Rb8
        • 2.Rc7#
      • 1...Rd8
        • 2.Rc7#
      • 1...Re8
        • 2.Rc7#
      • 1...Rf8
        • 2.Rc7#
      • 1...Rg8
        • 2.Rc7#
      • 1...Rh8
        • 2.Rc7#
      • 1...d2
        • 2.Qb5#
      • 1...Kc4!
    • 1.Rg6?
      • 1...Rc6
        • 2.Rxc6#
      • 1...Rc7
        • 2.Rxc7#
      • 1...Ra8
        • 2.Rc6#
        • 2.Rc7#
      • 1...Rb8
        • 2.Rc6#
        • 2.Rc7#
      • 1...Rd8
        • 2.Rc6#
        • 2.Rc7#
      • 1...Re8
        • 2.Rc6#
        • 2.Rc7#
      • 1...Rf8
        • 2.Rc6#
        • 2.Rc7#
      • 1...Rg8
        • 2.Rc6#
        • 2.Rc7#
      • 1...Rh8
        • 2.Rc6#
        • 2.Rc7#
      • 1...d2
        • 2.Sb3#
        • 2.Bxb6#
        • 2.Qb5#
      • 1...Kc4!
  • Keys
    • 1.c4!
      • 1...Kxc4
        • 2.Qc1#
      • 1...dxc4
        • 2.Rg5#
      • 1...Rc6
        • 2.Sb3#
      • 1...Rc7
        • 2.Rxc7#
      • 1...Ra8
        • 2.Rc7#
      • 1...Rb8
        • 2.Rc7#
      • 1...Rd8
        • 2.Rc7#
      • 1...Re8
        • 2.Rc7#
      • 1...Rf8
        • 2.Rc7#
      • 1...Rg8
        • 2.Rc7#
      • 1...Rh8
        • 2.Rc7#
      • 1...d2
        • 2.Rxd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • R(f);N_GUARD::R(G),XR(f)
    • R(f);N_GUARD,P_PINB(F)::R(G)
    • R(f);N_GUARD::R(G)
    • P(b);OGATE::QAR1(A)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • R(f);SBLOCK::S(D)
        • R(f);N_GUARD::R(G),XR(f)
        • R(f);N_GUARD,P_PINB(F)::R(G)
        • R(f);N_GUARD::R(G)
        • P(b);OGATE::QAR1(A)
      • Refutation
        • K(c);N_SPINR(e),P-FLIGHT,P_SPINP(b)
    • Try
      • R(E);
      • Vars
        • R(f);N_GUARD::R1(E),XR(f)
        • R(f);N_GUARD::R(G),XR(f)
      • Refutation
        • K(c);N_SPINR(e),P-FLIGHT,P_SPINP(b)
  • Actual
    • P(C);
    • Vars
      • K(c);N_SPINR(e),OGATEB,P-FLIGHT,P_SPINP(b),XP(C)::QAR(A)
      • P(d);OGATEB,SBLOCK,XP(C)::R(E)
      • R(f);SBLOCK::S(D)
      • R(f);N_GUARD::R(G),XR(f)
      • R(f);N_GUARD,P_PINB(F)::R(G)
      • R(f);N_GUARD::R(G)
      • P(b);::R1(G),XP(d)
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