MESON Chess Problem Database

Problem Display
PID: 71233 (5K2/1N6/2Bp1R2/3p1N2/3Pk1P1/b2n1r2/2rR1PQB/8 w - - 0 1)

Legentil, Georges

Le Probleme, 1947

5K2/1N6/2Bp1R2/3p1N2/3Pk1P1/b2n1r2/2rR1PQB/8

#2

11 + 7

SOLUTION

  • SOUND
  • Sets
    • 1...Rc1
      • 2.Re2#
    • 1...Rc3
      • 2.Re2#
    • 1...Rc4
      • 2.Re2#
    • 1...Rc5
      • 2.Sbxd6#
      • 2.Re2#
    • 1...Rxc6
      • 2.Re2#
    • 1...Bc1
      • 2.Sbxd6#
    • 1...Bb2
      • 2.Sbxd6#
    • 1...Sc1
      • 2.Sg3#
      • 2.Re6#
    • 1...Se1
      • 2.Sg3#
      • 2.Re6#
    • 1...Sb2
      • 2.Sg3#
      • 2.Re6#
    • 1...Sxf2
      • 2.Re6#
    • 1...Sb4
      • 2.Sg3#
      • 2.Sfxd6#
      • 2.Sbxd6#
      • 2.Re6#
    • 1...Sf4
      • 2.Sg3#
    • 1...Sc5
      • 2.Sg3#
      • 2.Sfxd6#
      • 2.Sbxd6#
    • 1...Se5
      • 2.Sg3#
  • Tries
    • 1.Rxd3?
      • threat
        • 2.Re3#
        • 2.Qxf3#
      • 1...Rxf2
        • 2.Re3#
      • 1...Re2
        • 2.Qxf3#
      • 1...Rc3
        • 2.Qxf3#
      • 1...Bc1
        • 2.Qxf3#
      • 1...Kxd3!
  • Keys
    • 1.Rxd6!
      • threat
        • 2.Bxd5#
      • 1...Bxd6+
        • 2.Sxd6#
      • 1...Rxc6
        • 2.Re2#
      • 1...Rc5
        • 2.Re2#
      • 1...Sb4
        • 2.Re6#
      • 1...Sf4
        • 2.Sg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 7
  • Sets
    • R(a);N_GUARD::R(A)
    • R(a);N_GUARD,N_SPINP(f),XB(H)::R(A)
    • B(b);N_GUARD::S(J),XP(g)
    • S(c);N_GUARD,XP(B)::R(I)
    • S(c);::S(G)
  • Tries
    • Try
      • R(A);XS(c)
      • Threat
        • DUALS(2)
      • Vars
        • R(a);XP(B)::R1(A)
        • R(a);::QAB1(C),XR(d)
        • B(b);::QAB1(C),XR(d)
      • Refutation
        • K(e);N_SPINP(f),N_SPINR(d),S_FLIGHT,XR(A)
  • Actual
    • R(I);P_SPINR(I),P_SPINS(G),XP(g)
    • Threat
      • B(H),XP(f)
    • Vars
      • B(b);CHECK,XR(I)::S(J),XB(b)
      • R(a);N_GUARD,N_SPINP(f),XB(H)::R(A)
      • R(a);N_GUARD,N_PINR(I)::R(A)
      • S(c);N_PINR(I)::R(I)
      • S(c);N_PINS(G),SBLOCK::S(G)
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