MESON Chess Problem Database

Problem Display
PID: 10793 (8/8/8/B2N4/1N2n3/8/3k4/K4Q2 w - - 0 1)

Koludrovic, Branko

Problem (Zagreb), 1968

8/8/8/B2N4/1N2n3/8/3k4/K4Q2

#2

5 + 2

4883 Still More Fun with Chess Miniatures 2002

SOLUTION

  • SOUND
  • Tries
    • 1.Kb1?
      • 1...Sf2
        • 2.Sa2#
        • 2.Sc2#
        • 2.Sd3#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Sg3
        • 2.Sa2#
        • 2.Sc2#
        • 2.Sd3#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Sc5
        • 2.Sa2#
        • 2.Sc2#
        • 2.Sd3#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Sg5
        • 2.Sa2#
        • 2.Sc2#
        • 2.Sd3#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Sd6
        • 2.Sa2#
        • 2.Sc2#
        • 2.Sd3#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Sf6
        • 2.Sa2#
        • 2.Sc2#
        • 2.Sd3#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Sc3+!
    • 1.Kb2?
      • 1...Sf2
        • 2.Sa2#
        • 2.Sc2#
        • 2.Sd3#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Sg3
        • 2.Sa2#
        • 2.Sc2#
        • 2.Sd3#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Sc5
        • 2.Sa2#
        • 2.Sc2#
        • 2.Sd3#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Sg5
        • 2.Sa2#
        • 2.Sc2#
        • 2.Sd3#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Sd6
        • 2.Sa2#
        • 2.Sc2#
        • 2.Sd3#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Sf6
        • 2.Sa2#
        • 2.Sc2#
        • 2.Sd3#
        • 2.Sa6#
        • 2.Sc6#
      • 1...Sc3!
    • 1.Sa2+?
      • 1...Kc2
        • 2.Qb1#
      • 1...Sc3!
    • 1.Sc2+?
      • 1...Kxc2
        • 2.Qb1#
      • 1...Sc3!
    • 1.Sd3+?
      • 1...Kc2
        • 2.Qb1#
      • 1...Sc3!
    • 1.Sa6+?
      • 1...Kc2
        • 2.Qb1#
      • 1...Sc3!
    • 1.Sc6+?
      • 1...Kc2
        • 2.Sd4#
        • 2.Qb1#
      • 1...Sc3!
    • 1.Bd8?
      • 1...Sc3
        • 2.Bg5#
      • 1...Sf2
        • 2.Bg5#
      • 1...Sg3
        • 2.Bg5#
      • 1...Sc5
        • 2.Bg5#
      • 1...Sg5
        • 2.Bxg5#
      • 1...Sd6
        • 2.Bg5#
      • 1...Sf6!
    • 1.Qe2+?
      • 1...Kc1
        • 2.Sa2#
        • 2.Sd3#
        • 2.Qe1#
        • 2.Qc2#
      • 1...Kxe2!
    • 1.Qd3+?
      • 1...Kc1
        • 2.Sa2#
        • 2.Qc2#
      • 1...Ke1!
  • Keys
    • 1.Se3!
      • 1...Kc3
        • 2.Qd3#
      • 1...Kxe3
        • 2.Sc2#
      • 1...Sc3
        • 2.Sc4#
      • 1...Sf2
        • 2.Sbc2#
        • 2.Sbd5#
      • 1...Sg3
        • 2.Sbc2#
        • 2.Sbd5#
      • 1...Sc5
        • 2.Sbc2#
        • 2.Sbd5#
      • 1...Sg5
        • 2.Sbc2#
        • 2.Sbd5#
      • 1...Sd6
        • 2.Sbc2#
        • 2.Sbd5#
      • 1...Sf6
        • 2.Sbc2#
        • 2.Sbd5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(A);P-FLIGHT
      • Refutation
        • S(b);CHECK
    • Try
      • K(A);S_FLIGHT
      • Refutation
        • S(b);
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT,XS(C)::QAB1(B)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • S(C);CHECK
      • Vars
        • K(a);P-FLIGHT::QAB1(B)
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • S(C);CHECK
      • Refutation
        • S(b);P_SPINS(b)
    • Try
      • B(D);
      • Vars
        • S(b);N_GUARD::B(D)
        • S(b);N_GUARD::B(D),XS(b)
      • Refutation
        • S(b);
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);P-FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(a);S_FLIGHT::QAR1(B)
      • K(a);S_FLIGHT,XS(E)::S(C)
      • S(b);SBLOCK::S(E)
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