MESON Chess Problem Database

Problem Display
PID: 47411 (7r/6B1/5R2/1RNpn3/3kP1P1/4p3/BP4p1/3K2Q1 w - - 0 1)

Marandiuk, Mikhail Nazarovich

3rd Place, USSR Championship, 1988-1989

7r/6B1/5R2/1RNpn3/3kP1P1/4p3/BP4p1/3K2Q1

#2

10 + 6

4827 FIDE Album (1989-1991) 1997

SOLUTION

  • SOUND
  • Sets
    • 1...Sf3
      • 2.Rxf3#
    • 1...Sc6
      • 2.Rxc6#
    • 1...Sg6
      • 2.Rxg6#
    • 1...Sf7
      • 2.Rxf7#
    • 1...dxe4
      • 2.Rd6#
  • Tries
    • 1.Rb4+?
      • 1...Sc4
        • 2.Rc6#
      • 1...Kxc5!
    • 1.Rf4?
      • threat
        • 2.exd5#
      • 1...dxe4
        • 2.Rxe4#
      • 1...Rf8!
  • Keys
    • 1.Rf2!
      • threat
        • 2.Rd2#
      • 1...e2+
        • 2.Rxe2#
      • 1...exf2
        • 2.Qxf2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 5
  • Sets
    • S(e);OGATEB::B(J)+R(I),XS(e)
    • P(d);OGATEB,XP(E)::R(I)
  • Tries
    • Try
      • R(G);CHECK
      • Vars
        • S(e);P_SPINS(e)::B(J)+R(I)
      • Refutation
        • K(c);S_FLIGHT,XS(H)
    • Try
      • R(I);P_PINS(e)
      • Threat
        • R(I)+P(E),XP(d)
      • Vars
        • P(d);OGATE,XP(E)::R1(I),XP(d)
      • Refutation
        • R(f);
  • Actual
    • R(I);N_PINP(b),P_PINS(e)
    • Threat
      • R(I)
    • Vars
      • P(b);CHECK,OGATEB::QAB(B)+R(I),XP(b)
      • P(b);OGATE,P_SPINP(b),XR(I)::QAB(B),XP(b)
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