MESON Chess Problem Database

Problem Display
PID: 183216 (8/1B6/4PP2/4kPp1/3N2P1/2B4P/8/Q5K1 w - - 0 1)

Havasi, Artur

Pesti Naplo, 1907

8/1B6/4PP2/4kPp1/3N2P1/2B4P/8/Q5K1

#2

10 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxf6
      • 2.Sc6#
  • Tries
    • 1.Kf2?
      • 1...Kf4
        • 2.Se2#
      • 1...Kxf6
        • 2.Sc6#
      • 1...Kd6!
    • 1.Sc2+?
      • 1...Kf4
        • 2.Be5#
      • 1...Kd6!
    • 1.Sb3+?
      • 1...Kd6
        • 2.Be5#
      • 1...Kf4!
    • 1.Bd2?
      • threat
        • 2.Sb5#
      • 1...Kxf6
        • 2.Sc6#
      • 1...Kd6!
    • 1.Bb4?
      • threat
        • 2.Se2#
      • 1...Kxf6
        • 2.Sc2#
        • 2.Se2#
        • 2.Sb3#
        • 2.Sf3#
        • 2.Sb5#
        • 2.Sc6#
      • 1...Kf4!
    • 1.Qc1?
      • threat
        • 2.Sb5#
      • 1...Kxf6
        • 2.Sc6#
      • 1...Kd6!
    • 1.Qe1+?
      • 1...Kf4
        • 2.Bd2#
      • 1...Kxf6
        • 2.Sc6#
      • 1...Kd6!
    • 1.Qf1?
      • threat
        • 2.Sb5#
      • 1...Kxf6
        • 2.Sc6#
      • 1...Kd6!
    • 1.Qa3?
      • threat
        • 2.Se2#
      • 1...Kxf6
        • 2.Sc2#
        • 2.Se2#
        • 2.Sb3#
        • 2.Sf3#
        • 2.Sb5#
        • 2.Sc6#
      • 1...Kf4!
    • 1.Qa5+?
      • 1...Kd6
        • 2.Bb4#
      • 1...Kxf6
        • 2.Sc6#
      • 1...Kf4!
    • 1.Qa6?
      • threat
        • 2.Se2#
      • 1...Kxf6
        • 2.Sc6#
      • 1...Kf4!
  • Keys
    • 1.Qa7!
      • 1...Kf4
        • 2.Se2#
      • 1...Kd6
        • 2.Sb5#
      • 1...Kxf6
        • 2.Sc6#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(a);S_FLIGHT,XP(I)::B(C)+S(E)
  • Tries
    • Try
      • K(B);S_FLIGHT
      • Vars
        • K(a);S_FLIGHT::S(E)
        • K(a);S_FLIGHT,XP(I)::B(C)+S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(E);CHECK
      • Vars
        • K(a);S_FLIGHT::B(C)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • QAB(A)+S(E)
      • Vars
        • K(a);S_FLIGHT,XP(I)::QAB(A)+S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • B(C);
      • Threat
        • QAB(A)+S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • B(C)+S(E)
      • Vars
        • K(a);S_FLIGHT,XP(I)::B(C)+S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::B(C)
        • K(a);S_FLIGHT,XP(I)::B(C)+S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • B(C)+S(E)
      • Vars
        • K(a);S_FLIGHT,XP(I)::B(C)+S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • B(C)+S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::B(C)
        • K(a);S_FLIGHT,XP(I)::B(C)+S(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(A);
      • Threat
        • B(C)+S(E)
      • Vars
        • K(a);S_FLIGHT,XP(I)::B(C)+S(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::S(E)
      • K(a);S_FLIGHT,XP(I)::B(C)+S(E)
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