MESON Chess Problem Database

Problem Display
PID: 204914 (8/8/8/1P5Q/1p1B4/1N1kP1p1/1K1p2P1/3N4 w - - 0 1)

Akimov, Nikolai Nikolaevich

PZSzach, 2019

8/8/8/1P5Q/1p1B4/1N1kP1p1/1K1p2P1/3N4

#2

8 + 4

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sc5#
  • Tries
    • 1.Kb1?
      • 1...Ke4
        • 2.Sc5#
      • 1...Kc4!
    • 1.Ka2?
      • 1...Kc4
        • 2.Sb2#
      • 1...Ke4
        • 2.Sc5#
      • 1...Kc2!
    • 1.Sf2+?
      • 1...Kc4
        • 2.Sxd2#
        • 2.Sa5#
        • 2.Qc5#
      • 1...gxf2!
    • 1.Bb6?
      • 1...Ke4
        • 2.Sc5#
      • 1...Kc4!
    • 1.Bf6?
      • 1...Ke4
        • 2.Sc5#
      • 1...Kc4!
    • 1.Ba7?
      • 1...Ke4
        • 2.Sc5#
      • 1...Kc4!
    • 1.Bg7?
      • 1...Ke4
        • 2.Sc5#
      • 1...Kc4!
    • 1.Bh8?
      • 1...Ke4
        • 2.Sc5#
      • 1...Kc4!
    • 1.Qf7?
      • 1...Ke4
        • 2.Sc5#
      • 1...Ke2!
    • 1.Qf5+?
      • 1...Kc4
        • 2.Sxd2#
        • 2.Sa5#
      • 1...Ke2!
    • 1.b6?
      • 1...Ke4
        • 2.Sc5#
      • 1...Kc4!
  • Keys
    • 1.e4!
      • 1...Kc4
        • 2.Qe2#
      • 1...Kxe4
        • 2.Qf3#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 1
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(b);S_FLIGHT::S(D)
  • Tries
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • K(B);P-FLIGHT
      • Vars
        • K(b);S_FLIGHT::S(A)
        • K(b);S_FLIGHT::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • S(A);CHECK
      • Refutation
        • P(c);XS(A)
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • B(F);
      • Vars
        • K(b);S_FLIGHT::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(H);
      • Vars
        • K(b);S_FLIGHT::S(D)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(H);CHECK
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • P(G);
      • Vars
        • K(b);S_FLIGHT::S(D)
      • Refutation
        • K(b);S_FLIGHT
  • Actual
    • P(E);
    • Vars
      • K(b);S_FLIGHT::QAB(H)
      • K(b);S_FLIGHT,XP(E)::QAB1(H)
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