MESON Chess Problem Database

Problem Display
PID: 242248 (K7/6p1/4p2B/Q5p1/p6N/4kB1p/2PNpp2/5n2 w - - 0 1)

Kisis, Imants J

Sachove umeni (Ceskoslovensky sach), 1978

K7/6p1/4p2B/Q5p1/p6N/4kB1p/2PNpp2/5n2

#2

7 + 9

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Kf4
      • 2.Qxg5#
  • Tries
    • 1.Sb3?
      • threat
        • 2.Bxg5#
        • 2.Qe5#
        • 2.Qxg5#
      • 1...Kf4
        • 2.Qxg5#
      • 1...gxh6
        • 2.Qe5#
      • 1...Sd2
        • 2.Bxg5#
        • 2.Qxd2#
        • 2.Qxg5#
      • 1...Sg3
        • 2.Bxg5#
        • 2.Qd2#
        • 2.Qxg5#
      • 1...e5
        • 2.Bxg5#
        • 2.Qxe5#
      • 1...axb3!
    • 1.Sc4+?
      • 1...Kf4
        • 2.Qe5#
        • 2.Qxg5#
      • 1...Kd4!
    • 1.Sg6?
      • threat
        • 2.Qc3#
      • 1...Kd4
        • 2.Qe5#
      • 1...e1S!
    • 1.Bxg7?
      • threat
        • 2.Qxg5#
      • 1...Kf4
        • 2.Qe5#
      • 1...gxh4
        • 2.Qg5#
      • 1...g4
        • 2.Qg5#
      • 1...e5!
    • 1.Qd8?
      • threat
        • 2.Bxg5#
      • 1...Kf4
        • 2.Qxg5#
      • 1...gxh6!
    • 1.Qc5+?
      • 1...Kf4
        • 2.Qxg5#
      • 1...Kxd2!
  • Keys
    • 1.Sb1!
      • threat
        • 2.Qe5#
      • 1...Kd4
        • 2.Qc3#
      • 1...Kf4
        • 2.Qxg5#
      • 1...Sd2
        • 2.Qxd2#
      • 1...Sg3
        • 2.Qd2#
      • 1...e5
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • K(d);S_FLIGHT::QAB1(E),XP(g)
  • Tries
    • Try
      • S(B);
      • Threat
        • DUALS(3)
      • Vars
        • K(d);S_FLIGHT::QAB1(E),XP(g)
        • P(i);N_SPINP(g),XB(F)::QAR2(E)
      • Refutation
        • P(f);XS(B)
    • Try
      • S(B);CHECK
      • Refutation
        • K(d);N_SPINP(g),S_FLIGHT
    • Try
      • S(D);
      • Threat
        • QAR2(E)
      • Vars
        • K(d);N_SPINP(g),S_FLIGHT::QAB1(E)
      • Refutation
        • P(b);
    • Try
      • B(F);N_PINP(g),XP(i)
      • Threat
        • QAB(E),XP(g)
      • Vars
        • K(d);S_FLIGHT::QAB1(E)
        • P(g);XS(D)::QAB(E)
        • P(g);::QAB(E)
      • Refutation
        • P(h);
    • Try
      • Q(E);
      • Threat
        • B(F),XP(g)
      • Vars
        • K(d);S_FLIGHT::QAB1(E),XP(g)
      • Refutation
        • P(i);N_SPINP(g),XB(F)
    • Try
      • Q(E);CHECK
      • Vars
        • K(d);S_FLIGHT::QAB1(E),XP(g)
      • Refutation
        • K(d);S_FLIGHT,XS(B)
  • Actual
    • S(B);
    • Threat
      • QAR2(E)
    • Vars
      • K(d);N_SPINP(g),S_FLIGHT::QAB1(E)
      • K(d);S_FLIGHT::QAB1(E),XP(g)
      • S(a);N_GUARD::QAB1(E),XS(a)
      • S(a);N_GUARD::QAB1(E)
      • P(h);::QAR2(E),XP(h)
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