MESON Chess Problem Database

Problem Display
PID: 221802 (1Q3B2/8/5p2/4bBkp/3N4/6P1/6K1/7R w - - 0 1)

Atayants, Grigory Sergeevich

ChessStar, 2012

1Q3B2/8/5p2/4bBkp/3N4/6P1/6K1/7R

#2

7 + 4

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg3
      • 2.Qxg3#
    • 1...Bxd4
      • 2.Qf4#
    • 1...Bf4
      • 2.Qxf4#
      • 2.gxf4#
  • Tries
    • 1.Rf1?
      • threat
        • 2.Se6#
      • 1...Bxg3
        • 2.Qxg3#
      • 1...Bxd4
        • 2.Qf4#
      • 1...Bf4
        • 2.Qxf4#
      • 1...h4!
    • 1.Qe8?
      • threat
        • 2.Rxh5#
        • 2.Qxh5#
        • 2.Qg6#
      • 1...h4
        • 2.Qg6#
      • 1...Bxg3!
  • Keys
    • 1.g4!
      • threat
        • 2.Se6#
      • 1...Kf4
        • 2.Bh6#
      • 1...Bxd4
        • 2.Rxh5#
      • 1...hxg4
        • 2.Bh6#
      • 1...Bh2
        • 2.Sf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(a);OGATE,XP(C)::QAR2(F),XB(a)
    • B(a);OGATE,XS(D)::QAB1(F)
  • Tries
    • Try
      • R(A);
      • Threat
        • S(D)
      • Vars
        • B(a);OGATE,XP(C)::QAR2(F),XB(a)
        • B(a);OGATE,XS(D)::QAB1(F)
        • B(a);OGATE::QAB1(F),XB(a)
      • Refutation
        • P(c);
    • Try
      • Q(F);
      • Threat
        • DUALS(3)
      • Vars
        • P(c);::QAR1(F)
      • Refutation
        • B(a);XP(C)
  • Actual
    • P(C);
    • Threat
      • S(D)
    • Vars
      • K(b);P_SPINB(a),S_FLIGHT::B(G)
      • B(a);XS(D)::R1(A),XP(c)
      • P(c);XP(C)::B(G)
      • B(a);::S(D)
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