MESON Chess Problem Database

Problem Display
PID: 273281 (8/2P1P3/1PNpPP2/3k3K/BP6/P3R3/rB1N4/b7 w - - 0 1)

Maleika, Gerhard

Springaren, 1990

8/2P1P3/1PNpPP2/3k3K/BP6/P3R3/rB1N4/b7

#2

13 + 4

SOLUTION

  • SOUND
  • Tries
    • 1.c8Q?
      • threat
        • 2.Bb3#
        • 2.Rd3#
      • 1...Rxb2
        • 2.Rd3#
      • 1...Bxb2
        • 2.Bb3#
      • 1...Rxa3!
    • 1.e8B?
      • threat
        • 2.Se7#
        • 2.Bb3#
      • 1...Rxa3
        • 2.Se7#
      • 1...Bxb2
        • 2.Bb3#
      • 1...Rxb2!
    • 1.e8R?
      • threat
        • 2.Se7#
        • 2.Rd3#
      • 1...Rxb2
        • 2.Rd3#
      • 1...Rxa3
        • 2.Se7#
      • 1...Bxb2!
  • Keys
    • 1.e8Q!
      • threat
        • 2.Se7#
        • 2.Bb3#
        • 2.Rd3#
      • 1...Rxb2
        • 2.Rd3#
      • 1...Rxa3
        • 2.Se7#
      • 1...Bxb2
        • 2.Bb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • P(L);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);XB(A)::R(D)
        • B(a);XB(A)::B(E)
      • Refutation
        • R(b);XP(C)
    • Try
      • P(M);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);XP(C)::S(I)
        • B(a);XB(A)::B(E)
      • Refutation
        • R(b);XB(A)
    • Try
      • P(M);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);XB(A)::R(D)
        • R(b);XP(C)::S(I)
      • Refutation
        • B(a);XB(A)
  • Actual
    • P(M);
    • Threat
      • DUALS(3)
    • Vars
      • R(b);XB(A)::R(D)
      • R(b);XP(C)::S(I)
      • B(a);XB(A)::B(E)
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