MESON Chess Problem Database

Problem Display
PID: 66557 (8/8/pK1p1B2/R2b4/2k1N1B1/PN1pn1b1/1r6/1r6 w - - 0 1)

Anonymous

The Chess Monthly (Hoffer), 1882

8/8/pK1p1B2/R2b4/2k1N1B1/PN1pn1b1/1r6/1r6

#2

7 + 9

SOLUTION

  • SOUND
  • Sets
    • 1...Rd2
      • 2.Sxd2#
    • 1...Sc2
      • 2.Sd2#
  • Keys
    • 1.Rb5!
      • threat
        • 2.Sa5#
        • 2.Rb4#
      • 1...Rxb3
        • 2.Sd2#
      • 1...Bxe4
        • 2.Sa5#
      • 1...axb5
        • 2.Sa5#
      • 1...d2
        • 2.Be2#
      • 1...Be1
        • 2.Sxd6#
      • 1...Be5
        • 2.Rb4#
      • 1...Bc6
        • 2.Sa5#
      • 1...Be6
        • 2.Sa5#
      • 1...Bb7
        • 2.Sa5#
      • 1...Bf7
        • 2.Sa5#
      • 1...Ba8
        • 2.Sa5#
      • 1...Bg8
        • 2.Sa5#
      • 1...Sc2
        • 2.Sbd2#
        • 2.Sa5#
        • 2.Sed2#
      • 1...a5
        • 2.Sxa5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 13
    • REMOVED MATES = 2
  • Sets
    • R(b);N_GUARD::S(C),XR(b)
    • S(d);S_CUTR(b)::S(C)
  • Actual
    • R(E);N_SPINS(B)
    • Threat
      • DUALS(2)
    • Vars
      • R(b);N_GUARD,P_PINR(E),XS(B)::S(C)
      • B(g);XS(C)::S(B)
      • P(h);XR(E)::S(B)
      • P(c);OGATEB::B(D)
      • B(e);N_GUARD::S(C),XP(i)
      • B(e);::R1(E)
      • B(g);::S(B)
      • P(h);::S(B),XP(h)
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