MESON Chess Problem Database

Problem Display
PID: 170426 (8/8/5K2/8/4Nkb1/8/3P2Qb/8 w - - 0 1)

Romanovskis, Vladimirs

Sachmatija, 2012

8/8/5K2/8/4Nkb1/8/3P2Qb/8

#2

4 + 3

5454 Near Snap 2022

SOLUTION

  • SOUND
  • Tries
    • 1.Sf2?
      • threat
        • 2.Sd3#
        • 2.Qxg4#
      • 1...Bg3
        • 2.Sd3#
        • 2.Qe4#
      • 1...Bd1
        • 2.Sd3#
        • 2.Sh3#
      • 1...Be2
        • 2.Sh3#
      • 1...Bf3
        • 2.Qxh2#
        • 2.Qg5#
      • 1...Bh3
        • 2.Sd3#
        • 2.Sxh3#
      • 1...Bh5
        • 2.Sd3#
        • 2.Sh3#
      • 1...Be6
        • 2.Sd3#
      • 1...Bd7
        • 2.Sd3#
      • 1...Bc8
        • 2.Sd3#
      • 1...Bf5!
    • 1.Sc5?
      • threat
        • 2.Sd3#
      • 1...Be2
        • 2.Se6#
      • 1...Bf3
        • 2.Qg5#
      • 1...Bf5!
    • 1.Sg5?
      • threat
        • 2.Qxh2#
      • 1...Bf5
        • 2.Qf3#
      • 1...Bg3
        • 2.Qe4#
      • 1...Bd1
        • 2.Sh3#
        • 2.Se6#
      • 1...Be2
        • 2.Sh3#
        • 2.Se6#
      • 1...Bf3
        • 2.Qxf3#
      • 1...Bh3
        • 2.Sxh3#
        • 2.Qf3#
      • 1...Bh5
        • 2.Sh3#
        • 2.Se6#
      • 1...Be6
        • 2.Sxe6#
        • 2.Qf3#
      • 1...Bd7
        • 2.Qf3#
      • 1...Bc8
        • 2.Qf3#
      • 1...Bg1!
    • 1.Qxh2+?
      • 1...Kf3
        • 2.Sg5#
      • 1...Kxe4!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Sd5#
      • 1...Bf3
        • 2.Qg5#
      • 1...Be6
        • 2.Se2#

Anticipated by 172243(1996)

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(C);
      • Threat
        • DUALS(2)
      • Vars
        • B(c);N_GUARD::S(C)
        • B(c);::S(C)
      • Refutation
        • B(c);
    • Try
      • S(C);
      • Threat
        • S(C)
      • Vars
        • B(c);N_GUARD::S(C)
        • B(c);OGATE,SBLOCK::QAB1(B)
      • Refutation
        • B(c);
    • Try
      • S(C);
      • Threat
        • QAB(B),XB(a)
      • Vars
        • B(c);N_GUARD::QAR1(B)
        • B(a);SBLOCK::QAR1(B)
        • B(c);N_GUARD::QAR1(B),XB(c)
      • Refutation
        • B(a);
    • Try
      • Q(B);CHECK,XB(a)
      • Vars
        • K(b);P-FLIGHT::S(C)
      • Refutation
        • K(b);P-FLIGHT,XS(C)
  • Actual
    • S(C);
    • Threat
      • S(C)
    • Vars
      • B(c);OGATE,SBLOCK::QAB1(B)
      • B(c);N_GUARD::S(C)
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