MESON Chess Problem Database

Problem Display
PID: 251598 (8/8/2nB4/5R2/1r6/2pPkNP1/1b2n1P1/3RK3 w - - 0 1)

Dowd, Steven B

Problemas, 2021

8/8/2nB4/5R2/1r6/2pPkNP1/1b2n1P1/3RK3

#2

8 + 6

SOLUTION

  • SOUND
  • Sets
    • 1...Sed4
      • 2.Bf4#
    • 1...Scd4
      • 2.Re5#
  • Tries
    • 1.Re5+?
      • 1...Re4
        • 2.Rxe4#
      • 1...Sxe5!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sc2#
      • 1...Kxd4
        • 2.Bc5#
      • 1...Rxd4
        • 2.Rf3#
      • 1...Sexd4
        • 2.Bf4#
      • 1...Scxd4
        • 2.Re5#
      • 1...c2
        • 2.Sxc2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
    • S(b);N_GUARD,S_CUTR(e)::B(H)
    • S(f);N_GUARD,S_CUTR(e)::R(G)
  • Tries
    • Try
      • R(G);CHECK
      • Vars
        • R(e);N_GUARD,P_SPINR(e)::R1(G),XR(e)
      • Refutation
        • S(f);XR(G)
  • Actual
    • S(E);
    • Threat
      • S(E)
    • Vars
      • K(d);OGATEB,S_FLIGHT,XS(E)::B(H)
      • R(e);SBLOCK,XS(E)::R1(G)
      • S(b);N_GUARD,SBLOCK,XS(E)::B(H)
      • S(f);N_GUARD,SBLOCK,XS(E)::R(G)
      • P(c);::S(E),XP(c)
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