MESON Chess Problem Database

Problem Display
PID: 273211 (6K1/1p5B/pR6/p7/P1k2p2/P1N2p2/5Q2/4B3 w - - 0 1)

Kwiatkowski, Marek

Springaren, 1989

6K1/1p5B/pR6/p7/P1k2p2/P1N2p2/5Q2/4B3

#2

8 + 6

SOLUTION

  • SOUND
  • Tries
    • 1.Se2?
      • threat
        • 2.Qd4#
      • 1...Kd5
        • 2.Qd4#
      • 1...fxe2!
    • 1.Sb5?
      • 1...Kb3
        • 2.Qc2#
      • 1...Kd5
        • 2.Qd4#
      • 1...axb5!
    • 1.Rc6+?
      • 1...Kb3
        • 2.Qa2#
      • 1...bxc6!
    • 1.Qf1+?
      • 1...Kc5
        • 2.Bf2#
      • 1...Kd4!
    • 1.Qa2+?
      • 1...Kc5
        • 2.Bf2#
      • 1...Kd4!
  • Keys
    • 1.Se4!
      • 1...Kd3
        • 2.Sd6#
      • 1...Kd5
        • 2.Qc5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(D);
      • Threat
        • QAR1(B)
      • Vars
        • K(b);S_FLIGHT::QAR1(B)
      • Refutation
        • P(a);XS(D)
    • Try
      • S(D);
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAB1(B)
        • K(b);N_GUARD,S_FLIGHT::QAR1(B)
      • Refutation
        • P(e);XS(D)
    • Try
      • R(F);CHECK
      • Vars
        • K(b);N_GUARD,S_FLIGHT::QAB1(B)
      • Refutation
        • P(f);XR(F)
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);N_GUARD,P-FLIGHT::B(A)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);N_GUARD,P-FLIGHT::B(A)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • S(D);
    • Vars
      • K(b);N_GUARD,S_FLIGHT::B(G)+S(D)
      • K(b);N_GUARD,S_FLIGHT::QAR1(B)
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