MESON Chess Problem Database

Problem Display
PID: 205060 (8/8/3K4/p2pRP2/P2kB3/1Q6/1p2b2p/1N1n4 w - - 0 1)

Lukashev, Viktor Sergeevich

Zadachi i Etyudi, 1998

8/8/3K4/p2pRP2/P2kB3/1Q6/1p2b2p/1N1n4

#2

7 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Bd3
      • 2.Qxd3#
    • 1...Bf3
      • 2.Qd3#
    • 1...Bc4
      • 2.Qb6#
    • 1...Bg4
      • 2.Qd3#
    • 1...Bh5
      • 2.Qd3#
    • 1...Sf2
      • 2.Qc3#
    • 1...Sc3
      • 2.Qxc3#
    • 1...Se3
      • 2.Qc3#
    • 1...dxe4
      • 2.Rd5#
  • Keys
    • 1.Sd2!
      • threat
        • 2.Rxd5#
      • 1...dxe4
        • 2.Rxe4#
        • 2.Rd5#
      • 1...Bd3
        • 2.Qxd3#
      • 1...Sc3
        • 2.Qb6#
      • 1...Bc4
        • 2.Sf3#
      • 1...Se3
        • 2.Qxb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • B(c);N_GUARD::QAR1(B),XB(c)
    • B(c);N_GUARD::QAR1(B)
    • B(c);SBLOCK::QAB(B)
    • S(a);N_GUARD::QAB1(B)
    • S(a);N_GUARD::QAB1(B),XS(a)
    • P(g);SBLOCK,XB(D)::R1(E)
  • Actual
    • S(A);
    • Threat
      • R1(E),XP(g)
    • Vars
      • B(c);N_GUARD::QAR1(B),XB(c)
      • S(a);SBLOCK::QAB(B)
      • B(c);N_GUARD::S(A)
      • S(a);N_GUARD,SBLOCK::QAB(B),XP(b)
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