MESON Chess Problem Database

Problem Display
PID: 67222 (6R1/3Q4/2rpK2p/3N2bp/6kp/1B3r1N/qP4PP/4n3 w - - 0 1)

Savournin, Jacques

Phenix, 1999

6R1/3Q4/2rpK2p/3N2bp/6kp/1B3r1N/qP4PP/4n3

#2

9 + 10

SOLUTION

  • SOUND
  • Sets
    • 1...Rf1
      • 2.Se3#
    • 1...Rf2
      • 2.Sxf2#
      • 2.Se3#
    • 1...Rxb3
      • 2.Kf7#
      • 2.Sf2#
      • 2.Sf6#
    • 1...Rfc3
      • 2.Kf7#
      • 2.Sf2#
      • 2.Sf6#
    • 1...Rd3
      • 2.Kf7#
      • 2.Sf2#
      • 2.Sf6#
    • 1...Re3+
      • 2.Sxe3#
    • 1...Rg3
      • 2.Kf7#
      • 2.Sf2#
      • 2.Sf6#
    • 1...Rxh3
      • 2.Kf7#
    • 1...Rf4
      • 2.Se3#
    • 1...Rf5
      • 2.Se3#
    • 1...Rf6+
      • 2.Sxf6#
    • 1...Rf7
      • 2.Kxf7#
      • 2.Se3#
    • 1...Rf8
      • 2.Se3#
  • Keys
    • 1.Bd1!
      • threat
        • 2.Sf2#
      • 1...Qxd5+
        • 2.Kxd5#
      • 1...Qxb2
        • 2.Se3#
      • 1...Qa7
        • 2.Sf6#
      • 1...Rc2
        • 2.Kxd6#
      • 1...Sd3
        • 2.Bxf3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 7
  • Sets
    • R(c);N_GUARD::S(F)
    • R(c);CHECK,N_GUARD::S(F),XR(c)
    • R(c);XS(E)::QAB(H)+K(G)
  • Actual
    • B(D);P_PINR(c),P_SPINS(F)
    • Threat
      • S(E)
    • Vars
      • Q(b);CHECK,XS(F)::QAB(H)+K(G),XQ(b)
      • Q(b);N_PINS(F),XP(A)::S(F)
      • Q(b);N_PINS(F)::S(F)
      • R(h);::QAB(H)+K(G),XP(i)
      • S(a);N_GUARD::B(D),XR(c)
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