MESON Chess Problem Database

Problem Display
PID: 16233 (8/8/8/8/7B/2pQ4/K2n4/3k2N1 w - - 0 1)

Zimmer, Eligiusz

StrateGems, 2000

8/8/8/8/7B/2pQ4/K2n4/3k2N1

#2

4 + 3

SOLUTION

  • SOUND
  • Tries
    • 1.Sf3?
      • 1...c2
        • 2.Qxd2#
      • 1...Kc1!
    • 1.Be1?
      • 1...Kxe1
        • 2.Qe2#
      • 1...c2
        • 2.Qxd2#
      • 1...Kc1!
  • Keys
    • 1.Bg5!
      • 1...Kc1
        • 2.Qb1#
      • 1...Ke1
        • 2.Qe2#
      • 1...c2
        • 2.Qxd2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Vars
        • P(c);N_GUARD::QAR1(C),XS(b)
      • Refutation
        • K(a);N_SPINS(b),P-FLIGHT
    • Try
      • B(D);
      • Vars
        • K(a);N_SPINS(b),P-FLIGHT,XB(D)::QAR1(C)
        • P(c);N_GUARD::QAR1(C),XS(b)
      • Refutation
        • K(a);N_SPINS(b),P-FLIGHT
  • Actual
    • B(D);
    • Vars
      • K(a);P-FLIGHT::QAR1(C)
      • K(a);N_SPINS(b),P-FLIGHT::QAR1(C)
      • P(c);N_GUARD::QAR1(C),XS(b)
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