MESON Chess Problem Database

Problem Display
PID: 233553 (8/3p4/3R4/3p4/2pKp3/8/Pp1k3p/1B3Q1N w - - 0 1)

Viksna, Kristaps

Freie Presse, 1979

8/3p4/3R4/3p4/2pKp3/8/Pp1k3p/1B3Q1N

#2

6 + 7

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Rxd5?
      • 1...c3
        • 2.Kxe4#
      • 1...e3
        • 2.Kxc4#
      • 1...d6!
    • 1.Qe2+?
      • 1...Kc1
        • 2.Qe1#
        • 2.Qc2#
      • 1...Kxe2!
    • 1.Qf2+?
      • 1...Kc1
        • 2.Qe1#
        • 2.Qc2#
      • 1...Kd1!
  • Keys
    • 1.Kxd5!
      • 1...Kc3
        • 2.Qe1#
      • 1...Ke3
        • 2.Qf2#
      • 1...c3
        • 2.Kxe4#
      • 1...e3
        • 2.Kxc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);XP(f)
      • Vars
        • P(d);SBLOCK::R(F)+K(E),XP(e)
        • P(e);SBLOCK::R(F)+K(E),XP(d)
      • Refutation
        • P(g);
    • Try
      • Q(B);CHECK
      • Refutation
        • K(b);P-FLIGHT,XQ(B)
    • Try
      • Q(B);CHECK
      • Refutation
        • K(b);P-FLIGHT
  • Actual
    • K(E);P-FLIGHT,XP(f)
    • Vars
      • K(b);S_FLIGHT::QAB(B)
      • K(b);S_FLIGHT::QAB1(B)
      • P(d);SBLOCK::R(F)+K(E),XP(e)
      • P(e);SBLOCK::R(F)+K(E),XP(d)
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