MESON Chess Problem Database

Problem Display
PID: 48011 (8/8/8/2p5/2N5/2B5/2K1knQ1/8 w - - 0 1)

Banaszek, Marcin

Polish Chess Federation, 1987

8/8/8/2p5/2N5/2B5/2K1knQ1/8

#2

4 + 3

4883 Still More Fun with Chess Miniatures 2002
145 StrateGems 2007

SOLUTION

  • SOUND
  • Tries
    • 1.Kb1?
      • 1...Kd1
        • 2.Qf1#
        • 2.Qf3#
      • 1...Kd3!
    • 1.Kb2?
      • 1...Kd1
        • 2.Qf1#
        • 2.Qf3#
      • 1...Kd3!
    • 1.Sd2?
      • 1...Ke1
        • 2.Qf1#
      • 1...Ke3
        • 2.Qf3#
      • 1...c4!
    • 1.Se5?
      • 1...Ke3
        • 2.Qf3#
      • 1...c4!
    • 1.Bd4?
      • threat
        • 2.Qxf2#
      • 1...Ke1
        • 2.Qxf2#
      • 1...cxd4!
    • 1.Qg4+?
      • 1...Kf1
        • 2.Se3#
      • 1...Sxg4!
  • Keys
    • 1.Kb3!
      • 1...Kd1
        • 2.Qf1#
      • 1...Kd3
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);S_FLIGHT
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • K(A);P-FLIGHT
      • Refutation
        • K(a);N_SPINS(b),S_FLIGHT
    • Try
      • S(D);
      • Vars
        • K(a);N_SPINS(b),P-FLIGHT::QAR1(B)
      • Refutation
        • P(c);
    • Try
      • S(D);
      • Vars
        • K(a);N_SPINS(b),P-FLIGHT::QAR1(B)
      • Refutation
        • P(c);
    • Try
      • B(C);
      • Threat
        • QAR1(B),XS(b)
      • Vars
        • K(a);N_SPINS(b),P-FLIGHT::QAB1(B),XS(b)
      • Refutation
        • P(c);XB(C)
    • Try
      • Q(B);CHECK,N_PINS(b)
      • Vars
        • K(a);S_FLIGHT::S(D)
      • Refutation
        • S(b);XQ(B)
  • Actual
    • K(A);S_FLIGHT
    • Vars
      • K(a);N_SPINS(b),S_FLIGHT::QAR2(B)
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