MESON Chess Problem Database

Problem Display
PID: 176589 (2bKBR2/3pn1p1/2p1k3/4N3/3Q4/3pr3/8/8 w - - 0 1)

Marysko, Milos

Schach-Echo, 1964

2bKBR2/3pn1p1/2p1k3/4N3/3Q4/3pr3/8/8

#2

5 + 8

6490 yacpdb 2018

SOLUTION

  • SOUND
  • Sets
    • 1...Ba6
      • 2.Bxd7#
    • 1...Bb7
      • 2.Bxd7#
  • Tries
    • 1.Sxd7?
      • threat
        • 2.Sc5#
      • 1...Bxd7
        • 2.Bxd7#
      • 1...Re5
        • 2.Qxe5#
      • 1...c5
        • 2.Sxc5#
      • 1...Sd5!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Qd6#
      • 1...Sd5
        • 2.Qg4#
      • 1...Sf5
        • 2.Bf7#
      • 1...d5
        • 2.Qxe3#
      • 1...d6
        • 2.Qxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • B(h);N_GUARD::B(D),XP(e)
  • Tries
    • Try
      • S(B);XP(e)
      • Threat
        • S(B)
      • Vars
        • B(h);OGATE,XS(B)::B(D),XB(h)
        • R(b);N_GUARD::QAR1(A),XR(b)
        • P(c);::S(B),XP(c)
      • Refutation
        • S(f);
  • Actual
    • S(B);
    • Threat
      • QAR1(A)
    • Vars
      • S(f);N_GUARD,SBLOCK::QAB(A)
      • S(f);SBLOCK::B(D)
      • P(e);SBLOCK::QAR(A),XR(b)
      • P(e);::QAR1(A),XP(e)
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