MESON Chess Problem Database

Problem Display
PID: 113101 (6N1/K2Bp2r/1pR2pb1/2P1P3/n3k1P1/3R1N1n/2P5/b1B5 w - - 0 1)

Savournin, Jacques

2nd Prize, Revista Romana de Sah, 1966

6N1/K2Bp2r/1pR2pb1/2P1P3/n3k1P1/3R1N1n/2P5/b1B5

#2

11 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Bf5
      • 2.Bxf5#
    • 1...Bh5
      • 2.Bf5#
    • 1...Bf7
      • 2.Bf5#
    • 1...Be8
      • 2.Bf5#
    • 1...e6
      • 2.Sxf6#
  • Tries
    • 1.Re6?
      • threat
        • 2.Bc6#
      • 1...Sf4
        • 2.Sd2#
      • 1...Sc3
        • 2.exf6#
      • 1...Be8!
    • 1.Rxf6?
      • threat
        • 2.Bc6#
      • 1...exf6
        • 2.Sxf6#
      • 1...Bf7
        • 2.Bf5#
      • 1...Be8
        • 2.Bf5#
      • 1...Sf4
        • 2.Rxf4#
      • 1...Sc3
        • 2.Rd4#
      • 1...e6!
  • Keys
    • 1.Rcd6!
      • threat
        • 2.Bc6#
      • 1...exd6
        • 2.Sxf6#
      • 1...Bf7
        • 2.Bf5#
      • 1...Be8
        • 2.Bf5#
      • 1...Sf4
        • 2.Re3#
      • 1...Sc3
        • 2.R6d4#
      • 1...e6
        • 2.Sxf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • B(g);N_GUARD::B(J),XB(g)
    • B(g);N_GUARD::B(J)
    • P(h);N_GUARD,P_PINB(J)::S(K),XP(f)
  • Tries
    • Try
      • R(H);
      • Threat
        • B(J)
      • Vars
        • S(b);SBLOCK::S(D)
        • S(c);S_CUTB(a)::R(H)+P(G),XP(f)
      • Refutation
        • B(g);
    • Try
      • R(H);XP(f)
      • Threat
        • B(J)
      • Vars
        • P(h);P_PINB(J),XR(H)::S(K),XP(h)
        • B(g);N_GUARD::B(J)
        • S(b);N_GUARD::R1(H),XS(b)
        • S(c);S_CUTB(a)::R1(C)
      • Refutation
        • P(h);P_PINB(J)
  • Actual
    • R(H);
    • Threat
      • B(J)
    • Vars
      • P(h);N_GUARD,P_PINB(J),XR(H)::S(K),XP(f)
      • B(g);N_GUARD::B(J)
      • S(b);SBLOCK::R1(C)
      • S(c);S_CUTB(a)::R1(H)
      • P(h);N_GUARD,P_PINB(J)::S(K),XP(f)
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