MESON Chess Problem Database

Problem Display
PID: 171380 (8/8/8/7p/7K/8/N1BPk3/6Q1 w - - 0 1)

Antipov, Viacheslav Pavlovich

Temp-64 (Nikolaev), 1995

8/8/8/7p/7K/8/N1BPk3/6Q1

#2

5 + 2

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd2
      • 2.Qf2#
    • 1...Kf3
      • 2.Qf1#
  • Tries
    • 1.Kg3?
      • threat
        • 2.Qf2#
        • 2.Qd1#
      • 1...Kxd2
        • 2.Qf2#
      • 1...h4+!
    • 1.Kh3?
      • 1...Kxd2
        • 2.Qf2#
      • 1...Kf3
        • 2.Qe3#
        • 2.Qf1#
      • 1...h4!
    • 1.Kxh5?
      • 1...Kxd2
        • 2.Qf2#
      • 1...Kf3!
    • 1.Sc1+?
      • 1...Kf3
        • 2.Qf1#
        • 2.Qg3#
      • 1...Kxd2!
    • 1.Sc3+?
      • 1...Kf3
        • 2.Qf1#
        • 2.Qg3#
      • 1...Kxd2!
    • 1.Sb4?
      • 1...Kf3
        • 2.Qf1#
      • 1...Kxd2!
    • 1.Bb1?
      • 1...Kf3
        • 2.Qf1#
      • 1...Kxd2!
    • 1.Bf5?
      • 1...Kf3
        • 2.Qf1#
      • 1...Kxd2!
    • 1.Bg6?
      • 1...Kf3
        • 2.Qf1#
      • 1...Kxd2!
    • 1.Bh7?
      • 1...Kf3
        • 2.Qf1#
      • 1...Kxd2!
    • 1.Qc1?
      • 1...Kf3
        • 2.Qf1#
      • 1...Kf2!
    • 1.Qe1+?
      • 1...Kf3
        • 2.Qf1#
      • 1...Kxe1!
    • 1.Qf1+?
      • 1...Kxd2
        • 2.Qf2#
      • 1...Kxf1!
    • 1.d3?
      • 1...Kd2
        • 2.Qf2#
      • 1...Kf3!
    • 1.d4?
      • 1...Kd2
        • 2.Qf2#
      • 1...Kf3!
  • Keys
    • 1.Qg3!
      • 1...Kf1
        • 2.Bd3#
      • 1...Kxd2
        • 2.Qf2#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT,XP(D)::QAR2(A)
    • K(a);S_FLIGHT::QAR2(A)
  • Tries
    • Try
      • K(E);S_FLIGHT
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT,XP(D)::QAR2(A)
      • Refutation
        • P(b);CHECK
    • Try
      • K(E);P-FLIGHT
      • Vars
        • K(a);P-FLIGHT,XP(D)::QAR2(A)
      • Refutation
        • P(b);
    • Try
      • K(E);P-FLIGHT,XP(b)
      • Vars
        • K(a);P-FLIGHT,XP(D)::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(B);CHECK
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • S(B);CHECK
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • S(B);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • B(C);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XP(D)
    • Try
      • Q(A);
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT,XQ(A)
    • Try
      • Q(A);CHECK
      • Vars
        • K(a);P-FLIGHT,XP(D)::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT,XQ(A)
    • Try
      • P(D);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(D);
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • Q(A);
    • Vars
      • K(a);S_FLIGHT::B(C)
      • K(a);P-FLIGHT,XP(D)::QAR2(A)
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