MESON Chess Problem Database

Problem Display
PID: 11359 (1q2nR2/BpbR1N1B/1r4p1/1p6/2r1k3/2ppP2Q/8/5N1K w - - 0 1)

Sachsel, Robert

Chess, 1938

1q2nR2/BpbR1N1B/1r4p1/1p6/2r1k3/2ppP2Q/8/5N1K

#2

9 + 11

SOLUTION

  • SOUND
  • Sets
    • 1...Rd4
      • 2.Rxd4#
    • 1...Rc5
      • 2.Rd4#
    • 1...Rcc6
      • 2.Rd4#
    • 1...Be5
      • 2.Sg5#
    • 1...Sf6
      • 2.Bxg6#
    • 1...c2
      • 2.Sd2#
  • Tries
    • 1.Rxe8+?
      • 1...Re6
        • 2.Bxg6#
      • 1...Be5
        • 2.Sg5#
        • 2.Qg4#
      • 1...Qxe8!
  • Keys
    • 1.Qh5!
      • threat
        • 2.Qd5#
      • 1...Rd4
        • 2.Rxd4#
      • 1...Rc5
        • 2.Rd4#
      • 1...Rd6
        • 2.Sg3#
      • 1...Be5
        • 2.Sg5#
      • 1...Bd6
        • 2.Bxg6#
      • 1...Sd6
        • 2.Re7#
      • 1...Sf6
        • 2.Bxg6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(c);N_GUARD::R1(F),XR(c)
    • R(c);N_GUARD::R1(F)
    • B(i);SBLOCK::S(G)
    • S(k);S_CUTR(f)::B(H),XP(g)
    • P(a);N_GUARD::S(A)
  • Tries
    • Try
      • R(I);CHECK,XS(k)
      • Vars
        • R(f);P_SPINR(f)::B(H),XP(g)
      • Refutation
        • Q(j);XR(I)
  • Actual
    • Q(D);
    • Threat
      • QAB1(D)
    • Vars
      • R(c);N_GUARD::R1(F),XR(c)
      • R(c);N_GUARD::R1(F)
      • R(f);S_CUTB(i)::S(A)
      • B(i);SBLOCK::S(G)
      • B(i);S_CUTR(f)::B(H),XP(g)
      • S(k);S_CUTB(i),S_CUTR(f)::R(F)
      • S(k);S_CUTR(f)::B(H),XP(g)
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