MESON Chess Problem Database

Problem Display
PID: 30244 (8/8/2p2K2/3kB3/8/1P6/6P1/7Q w - - 0 1)

Bantysh, Nikolai Ivanovich

Die Schwalbe, 2001

8/8/2p2K2/3kB3/8/1P6/6P1/7Q

#2

5 + 2

SOLUTION

  • SOUND
  • Sets
    • 1...c5
      • 2.g3#
      • 2.g4#
  • Tries
    • 1.Kf5?
      • 1...c5
        • 2.g3#
        • 2.g4#
      • 1...Kc5!
    • 1.Qd1+?
      • 1...Ke4
        • 2.Qf3#
        • 2.Qd4#
      • 1...Kc5!
    • 1.Qe1?
      • 1...Kc5
        • 2.Qa5#
      • 1...c5!
    • 1.Qf1?
      • threat
        • 2.Qc4#
      • 1...Ke4
        • 2.Qf3#
      • 1...c5
        • 2.Qf3#
      • 1...Kc5!
    • 1.Qg1?
      • threat
        • 2.Qd4#
      • 1...Ke4
        • 2.Qd4#
      • 1...c5!
    • 1.Qh3?
      • 1...Ke4
        • 2.Qf3#
      • 1...c5
        • 2.Qf3#
      • 1...Kc5!
    • 1.Qh5?
      • 1...Ke4
        • 2.Qf3#
      • 1...c5
        • 2.Qf3#
      • 1...Kc5!
    • 1.Qh7?
      • 1...c5
        • 2.Qb7#
      • 1...Kc5!
  • Keys
    • 1.Qa1!
      • threat
        • 2.Qd4#
      • 1...Ke4
        • 2.Qd4#
      • 1...Kc5
        • 2.Qa5#
      • 1...c5
        • 2.Qa8#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • K(E);P-FLIGHT
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Threat
        • QAB1(A)
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • P(b);SBLOCK::QAB(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR1(A)
      • Vars
        • K(a);S_FLIGHT::QAR1(A)
      • Refutation
        • P(b);
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • P(b);SBLOCK::QAB(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAB1(A)
        • P(b);SBLOCK::QAB(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Vars
        • P(b);OGATEB,SBLOCK::QAB(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
    • Threat
      • QAR1(A)
    • Vars
      • K(a);S_FLIGHT::QAR1(A)
      • K(a);P-FLIGHT::QAR2(A)
      • P(b);OGATEB,SBLOCK::QAB(A)
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