MESON Chess Problem Database

Problem Display
PID: 208084 (4N3/8/8/1K2pk1B/8/8/3Q4/B7 w - - 0 1)

Hoffmann, Klaus Peter

Badische Neueste Nachrichten, 1997

4N3/8/8/1K2pk1B/8/8/3Q4/B7

#2

5 + 2

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sd6#
    • 1...e4
      • 2.Sg7#
  • Tries
    • 1.Ka4?
      • 1...Ke4
        • 2.Sd6#
      • 1...e4
        • 2.Sg7#
      • 1...Ke6!
    • 1.Kb4?
      • 1...Ke4
        • 2.Sd6#
      • 1...e4
        • 2.Sg7#
      • 1...Ke6!
    • 1.Kc4?
      • 1...Ke4
        • 2.Sd6#
      • 1...e4
        • 2.Sg7#
      • 1...Ke6!
    • 1.Ka5?
      • 1...Ke4
        • 2.Sd6#
      • 1...e4
        • 2.Sg7#
      • 1...Ke6!
    • 1.Kc5?
      • 1...Ke4
        • 2.Sd6#
      • 1...e4
        • 2.Sg7#
      • 1...Ke6!
    • 1.Ka6?
      • 1...Ke4
        • 2.Sd6#
      • 1...e4
        • 2.Sg7#
      • 1...Ke6!
    • 1.Kb6?
      • 1...Ke4
        • 2.Sd6#
      • 1...e4
        • 2.Sg7#
      • 1...Ke6!
    • 1.Bb2?
      • 1...Ke4
        • 2.Sd6#
      • 1...e4
        • 2.Sg7#
      • 1...Ke6!
    • 1.Bc3?
      • 1...Ke4
        • 2.Sd6#
      • 1...e4
        • 2.Sg7#
      • 1...Ke6!
    • 1.Qe3?
      • threat
        • 2.Qxe5#
      • 1...e4
        • 2.Sg7#
      • 1...Ke6!
    • 1.Qf2+?
      • 1...Ke4
        • 2.Qf3#
      • 1...Ke6
        • 2.Qf7#
      • 1...Kg5!
    • 1.Qd5?
      • threat
        • 2.Qxe5#
      • 1...Kf4
        • 2.Qxe5#
      • 1...Kg5!
  • Keys
    • 1.Kc6!
      • 1...Ke4
        • 2.Sd6#
      • 1...Ke6
        • 2.Qd7#
      • 1...e4
        • 2.Sg7#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::S(E)
    • P(a);SBLOCK::S(E)
  • Tries
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::S(E)
        • P(a);SBLOCK::S(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::S(E)
        • P(a);SBLOCK::S(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::S(E)
        • P(a);SBLOCK::S(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::S(E)
        • P(a);SBLOCK::S(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::S(E)
        • P(a);SBLOCK::S(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(C);S_FLIGHT
      • Vars
        • K(b);S_FLIGHT::S(E)
        • P(a);SBLOCK::S(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(C);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::S(E)
        • P(a);SBLOCK::S(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(b);S_FLIGHT::S(E)
        • P(a);SBLOCK::S(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(A);
      • Vars
        • K(b);S_FLIGHT::S(E)
        • P(a);SBLOCK::S(E)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(B);
      • Threat
        • QAR1(B),XP(a)
      • Vars
        • P(a);::S(E)
      • Refutation
        • K(b);P_SPINP(a),S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);S_FLIGHT::QAB1(B)
        • K(b);OGATE,S_FLIGHT::QAB1(B)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • Q(B);P_PINP(a)
      • Threat
        • QAR1(B),XP(a)
      • Vars
        • K(b);N_SPINP(a),P-FLIGHT::QAB1(B),XP(a)
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • K(C);S_FLIGHT
    • Vars
      • K(b);S_FLIGHT::S(E)
      • K(b);S_FLIGHT::QAB1(B)
      • P(a);SBLOCK::S(E)
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