MESON Chess Problem Database

Problem Display
PID: 240462 (8/8/p1K5/8/1kp5/1N6/2Q5/3B4 w - - 0 1)

Parkhomenko, Nikolai A

Problemas, 1995

8/8/p1K5/8/1kp5/1N6/2Q5/3B4

#2

4 + 3

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Sa1?
      • 1...Ka5
        • 2.Qa4#
        • 2.Qc3#
      • 1...c3
        • 2.Qa4#
      • 1...a5
        • 2.Qb2#
      • 1...Ka3!
    • 1.Sd2?
      • 1...Ka5
        • 2.Qa4#
        • 2.Qc3#
      • 1...c3
        • 2.Qa4#
      • 1...a5
        • 2.Qb2#
      • 1...Ka3!
    • 1.Sd4?
      • 1...Ka5
        • 2.Qa4#
        • 2.Qc3#
      • 1...c3
        • 2.Qa4#
      • 1...a5
        • 2.Qb2#
      • 1...Ka3!
    • 1.Sa5?
      • 1...Kxa5
        • 2.Qa4#
        • 2.Qc3#
      • 1...c3
        • 2.Qa4#
      • 1...Ka3!
    • 1.Sc5?
      • 1...Ka5
        • 2.Qa4#
        • 2.Qc3#
      • 1...c3
        • 2.Qa4#
      • 1...a5
        • 2.Qb2#
      • 1...Ka3!
    • 1.Qc3+?
      • 1...Ka3
        • 2.Sc1#
      • 1...Ka4
        • 2.Sa1#
        • 2.Sc1#
        • 2.Sd2#
        • 2.Sd4#
        • 2.Sa5#
        • 2.Sc5#
        • 2.Qa5#
      • 1...Kxc3!
  • Keys
    • 1.Sc1!
      • 1...Ka3
        • 2.Qc3#
      • 1...Ka5
        • 2.Qa4#
        • 2.Qc3#
      • 1...c3
        • 2.Qa4#
      • 1...a5
        • 2.Qb2#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Vars
        • P(b);SBLOCK::QAR1(B)
        • P(c);SBLOCK::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • P(b);SBLOCK::QAR1(B)
        • P(c);SBLOCK::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • P(b);SBLOCK::QAR1(B)
        • P(c);SBLOCK::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • P(b);SBLOCK::QAR1(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • S(C);
      • Vars
        • P(b);SBLOCK::QAR1(B)
        • P(c);SBLOCK::QAR2(B)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(B);CHECK
      • Vars
        • K(a);S_FLIGHT::QAR(B)+S(C)
      • Refutation
        • K(a);S_FLIGHT,XQ(B)
  • Actual
    • S(C);
    • Vars
      • K(a);S_FLIGHT::QAR2(B)
      • P(b);SBLOCK::QAR1(B)
      • P(c);SBLOCK::QAR2(B)
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