MESON Chess Problem Database

Problem Display
PID: 130605 (3r2b1/6b1/p1B5/N2P1R2/Rn1nkPK1/r4p2/3PP3/1N4B1 w - - 0 1)

Legentil, Georges

La Bataille, 1947

(First published on Wed Oct 1 1947)

3r2b1/6b1/p1B5/N2P1R2/Rn1nkPK1/r4p2/3PP3/1N4B1

#2

11 + 9

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Sc3#
    • 1...Ra2
      • 2.Sc3#
    • 1...Rc3
      • 2.Sxc3#
    • 1...Rxa4
      • 2.Sc3#
    • 1...Be5
      • 2.Rxe5#
    • 1...Bh6
      • 2.Re5#
    • 1...Bf8
      • 2.Re5#
    • 1...Sd3
      • 2.exf3#
    • 1...Sb3
      • 2.d3#
    • 1...Se6
      • 2.d6#
  • Tries
    • 1.Sb3?
      • threat
        • 2.Sc3#
        • 2.Sc5#
      • 1...Sxe2
        • 2.Sc5#
      • 1...Sxb3
        • 2.d3#
      • 1...Sxf5
        • 2.Sc5#
        • 2.d3#
      • 1...Sdxc6
        • 2.Sc5#
        • 2.d3#
      • 1...fxe2
        • 2.Sc5#
      • 1...Bf8
        • 2.Sc3#
        • 2.Re5#
      • 1...Sa2
        • 2.Sc5#
        • 2.d3#
      • 1...Sd3
        • 2.Sc3#
        • 2.exf3#
      • 1...Sdc2
        • 2.Sc5#
        • 2.d3#
      • 1...Sb5
        • 2.Sc5#
        • 2.d3#
      • 1...Se6
        • 2.d3#
        • 2.d6#
      • 1...Rxb3!
    • 1.d3+?
      • 1...Sxd3
        • 2.Sd2#
        • 2.exf3#
      • 1...Rxd3!
  • Keys
    • 1.Sb7!
      • threat
        • 2.Sc5#
      • 1...Rc3
        • 2.Sxc3#
      • 1...Bf8
        • 2.Re5#
      • 1...Sd3
        • 2.exf3#
      • 1...Sb3
        • 2.d3#
      • 1...Se6
        • 2.d6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 5
  • Sets
    • R(a);N_GUARD::S(A)
    • R(a);N_GUARD::S(A),XR(a)
    • R(a);N_GUARD,XR(E)::S(A)
    • B(g);N_GUARD::R1(J),XB(g)
    • B(g);N_GUARD::R1(J)
    • S(c);P_SPINS(d),SBLOCK,S_CUTR(a)::P(D),XP(b)
    • S(d);P_SPINS(c),S_CUTR(a)::P(C)
    • S(d);N_GUARD,P_SPINS(c),S_CUTB(i)::B(K)+P(I)
  • Tries
    • Try
      • S(H);
      • Threat
        • DUALS(2)
      • Vars
        • S(d);P_SPINS(c),XP(D)::S(H)
        • S(d);P_SPINS(c),XS(H)::P(C)
        • P(b);XP(D)::S(H)
      • Refutation
        • R(a);XS(H)
    • Try
      • P(C);CHECK
      • Refutation
        • R(a);XP(C)
  • Actual
    • S(H);
    • Threat
      • S(H)
    • Vars
      • R(a);N_GUARD::S(A),XR(a)
      • B(g);N_GUARD::R1(J)
      • S(c);P_SPINS(d),SBLOCK,S_CUTR(a)::P(D),XP(b)
      • S(d);P_SPINS(c),S_CUTR(a)::P(C)
      • S(d);N_GUARD,P_SPINS(c),S_CUTB(i)::B(K)+P(I)
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