MESON Chess Problem Database

Problem Display
PID: 240607 (7b/8/1K2pB1p/p7/6N1/Q2p4/2pkp1N1/3br3 w - - 0 1)

Kozhakin, Vladimir Vladimirovich

Thema Danicum, 1994

7b/8/1K2pB1p/p7/6N1/Q2p4/2pkp1N1/3br3

#2

5 + 10

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...c1S
      • 2.Qc3#
    • 1...c1B
      • 2.Qc3#
    • 1...h5
      • 2.Bg5#
  • Tries
    • 1.Se5?
      • threat
        • 2.Sf3#
        • 2.Sc4#
      • 1...c1Q
        • 2.Qxd3#
      • 1...c1B
        • 2.Qxd3#
      • 1...c1R
        • 2.Qxd3#
      • 1...Rf1
        • 2.Sc4#
      • 1...c1S!
  • Keys
    • 1.Sf2!
      • threat
        • 2.Se4#
      • 1...c1Q
        • 2.Qxd3#
      • 1...c1S
        • 2.Qc3#
      • 1...c1B
        • 2.Qc3#
        • 2.Qxd3#
      • 1...c1R
        • 2.Qxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • P(c);::QAB1(B)
    • P(i);N_GUARD::B(E)
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • P(c);SBLOCK::QAR1(B),XP(f)
        • R(b);::S(C)
      • Refutation
        • P(c);
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • P(c);SBLOCK::QAR1(B),XP(f)
      • P(c);::QAB1(B)
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