MESON Chess Problem Database

Problem Display
PID: 46111 (Q7/1N1p4/3Pp3/1B1kp3/1P1p4/8/K2P4/B4R2 w - - 0 1)

Marandiuk, Mikhail Nazarovich

2nd Prize, Krasnoe Znamya, 1970

Q7/1N1p4/3Pp3/1B1kp3/1P1p4/8/K2P4/B4R2

#2

9 + 5

3751 FIDE Album (1968-1970) 1977
56 The Problemist 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Ke4
      • 2.Sa5#
      • 2.Sc5#
      • 2.Sd8#
  • Tries
    • 1.Bc4+?
      • 1...Ke4
        • 2.Sa5#
        • 2.Sc5#
        • 2.Sd8#
      • 1...Kc6
        • 2.Qa6#
      • 1...Kxc4!
    • 1.Re1?
      • 1...d3
        • 2.Rxe5#
      • 1...e4!
    • 1.Qa3?
      • 1...Ke4
        • 2.Qf3#
      • 1...d3
        • 2.Qxd3#
      • 1...e4!
    • 1.Qc8?
      • 1...e4
        • 2.Qc5#
      • 1...d3
        • 2.Qc4#
      • 1...Ke4!
    • 1.Qg8?
      • 1...Ke4
        • 2.Qg2#
      • 1...e4
        • 2.Rf5#
      • 1...d3!
  • Keys
    • 1.Qh8!
      • 1...Ke4
        • 2.Qh1#
      • 1...e4
        • 2.Qxd4#
      • 1...d3
        • 2.Qxe5#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(F);CHECK
      • Vars
        • K(b);S_FLIGHT::QAR2(I)
      • Refutation
        • K(b);S_FLIGHT,XB(F)
    • Try
      • R(B);
      • Vars
        • P(a);::R1(B),XP(c)
      • Refutation
        • P(c);
    • Try
      • Q(I);
      • Vars
        • K(b);S_FLIGHT::QAB1(I)
        • P(a);OGATEB::QAR2(I),XP(a)
      • Refutation
        • P(c);
    • Try
      • Q(I);
      • Vars
        • P(c);SBLOCK::QAR1(I)
        • P(a);::QAB1(I)
      • Refutation
        • K(b);S_FLIGHT
    • Try
      • Q(I);P_PINP(d)
      • Vars
        • K(b);N_SPINP(d),S_FLIGHT::QAB(I)
        • P(c);OGATEB,SBLOCK::R(B)
      • Refutation
        • P(a);
  • Actual
    • Q(I);
    • Vars
      • K(b);S_FLIGHT::QAB(I)
      • P(c);OGATE::QAR1(I),XP(a)
      • P(a);::QAR1(I),XP(c)
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