MESON Chess Problem Database

Problem Display
PID: 46279 (1B1R4/1N3N2/8/1B1p1P2/Kp1kP3/6nr/2nP4/2R1r3 w - - 0 1)

Savournin, Jacques

1st Prize, Peris MT, 1961

1B1R4/1N3N2/8/1B1p1P2/Kp1kP3/6nr/2nP4/2R1r3

#2

10 + 7

3749 FIDE Album (1959-1961) 1966
23 Die Schwalbe 1969

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe4
      • 2.Ba7#
    • 1...Sxe4
      • 2.Be5#
  • Tries
    • 1.Sbd6?
      • threat
        • 2.Ba7#
      • 1...Kc5
        • 2.Ba7#
      • 1...dxe4
        • 2.Sb7#
      • 1...Sxe4!
    • 1.Sg5?
      • threat
        • 2.Rxd5#
      • 1...Rxe4
        • 2.Sf3#
      • 1...Sxe4
        • 2.Se6#
      • 1...Se3!
    • 1.Re8?
      • threat
        • 2.Ba7#
      • 1...Sxe4
        • 2.Be5#
      • 1...dxe4
        • 2.Rd8#
      • 1...Rh6!
  • Keys
    • 1.Sc5!
      • threat
        • 2.Rxd5#
      • 1...Kxc5
        • 2.Ba7#
      • 1...Rxe4
        • 2.Sb3#
      • 1...Sxe4
        • 2.Se6#
      • 1...Se3
        • 2.Be5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • R(a);SBLOCK,XP(D)::B(I)
    • S(c);SBLOCK,XP(D)::B(I)
  • Tries
    • Try
      • S(G);N_PINP(g)
      • Threat
        • B(I)
      • Vars
        • K(f);P_SPINS(b),S_FLIGHT::B(I)
        • P(g);SBLOCK,XP(D)::R(J)+S(G)
      • Refutation
        • S(c);XP(D)
    • Try
      • S(H);
      • Threat
        • R1(J),XP(g)
      • Vars
        • R(a);SBLOCK,XP(D)::S(H)
        • S(c);SBLOCK,XP(D)::S(H)
      • Refutation
        • S(b);
    • Try
      • R(J);N_PINP(g)
      • Threat
        • B(I)
      • Vars
        • S(c);SBLOCK,XP(D)::B(I)
        • P(g);OGATEB,SBLOCK,XP(D)::R(J)
      • Refutation
        • R(d);
  • Actual
    • S(G);
    • Threat
      • R1(J),XP(g)
    • Vars
      • K(f);N_SPINP(g),OGATEB,P_SPINS(b),S_FLIGHT,XS(G)::B(I)
      • R(a);SBLOCK,XP(D)::S(G)
      • S(c);SBLOCK,XP(D)::S(G)
      • S(b);::B(I)
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