MESON Chess Problem Database

Problem Display
PID: 91601 (3B4/rPn5/p1Pk4/N1R1p2R/1n1N4/PBb5/1pQP4/1K6 w - - 0 1)

Stocchi, Ottavio

Probleemblad 083. TT, 1951

3B4/rPn5/p1Pk4/N1R1p2R/1n1N4/PBb5/1pQP4/1K6

#2

12 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Rxb7
      • 2.Sxb7#
    • 1...Bxd2
      • 2.Sf5#
    • 1...e4
      • 2.Sc4#
  • Tries
    • 1.b8B?
      • 1...Bxd2
        • 2.Sf5#
      • 1...Bxd4
        • 2.Rh6#
      • 1...Sxc2
        • 2.Rd5#
      • 1...Sxc6
        • 2.Rd5#
      • 1...exd4
        • 2.Qg6#
      • 1...Sd5
        • 2.Rxd5#
      • 1...Rb7
        • 2.Sxb7#
      • 1...Ra8
        • 2.Sb7#
      • 1...Sa2
        • 2.Rd5#
      • 1...Sd3
        • 2.Rd5#
      • 1...e4
        • 2.Sc4#
      • 1...Kxc5!
  • Keys
    • 1.b8Q!
      • 1...Kxc5
        • 2.Qxb4#
      • 1...Bxd2
        • 2.Sf5#
      • 1...Bxd4
        • 2.Rh6#
      • 1...Sxc2
        • 2.Rd5#
      • 1...Sxc6
        • 2.Rd5#
      • 1...exd4
        • 2.Qg6#
      • 1...Sd5
        • 2.Rxd5#
      • 1...Rb7
        • 2.Sxb7#
      • 1...Ra8
        • 2.Sb7#
      • 1...Sa2
        • 2.Rd5#
      • 1...Sd3
        • 2.Rd5#
      • 1...e4
        • 2.Sc4#

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
    • R(g);XP(K)::S(G),XR(g)
    • B(b);XP(C)::S(F)
    • P(d);::S(G)
  • Tries
    • Try
      • P(K);P_PINS(h)
      • Vars
        • B(b);XP(C)::S(F)
        • B(b);XS(F)::R(I)
        • S(c);N_GUARD,XQ(B)::R1(H)
        • S(c);N_GUARD,XP(J)::R1(H)
        • P(d);XS(F)::QAR(B)
        • S(c);N_GUARD::R1(H),XS(c)
        • R(g);N_GUARD::S(G),XR(g)
        • R(g);N_GUARD::S(G)
        • S(c);N_GUARD::R1(H)
        • P(d);::S(G)
      • Refutation
        • K(f);N_SPINS(h),P_SPINB(b),P_SPINP(d),S_FLIGHT,XR(H)
  • Actual
    • P(K);P_PINS(h)
    • Vars
      • K(f);N_SPINS(h),OGATEB,P_SPINB(b),P_SPINP(d),S_FLIGHT,XR(H)::QAB1(K),XS(c)
      • B(b);XP(C)::S(F)
      • B(b);XS(F)::R(I)
      • S(c);N_GUARD,XQ(B)::R1(H)
      • S(c);N_GUARD,XP(J)::R1(H)
      • P(d);XS(F)::QAR(B)
      • S(c);N_GUARD::R1(H),XS(c)
      • R(g);N_GUARD::S(G),XR(g)
      • R(g);N_GUARD::S(G)
      • S(c);N_GUARD::R1(H)
      • P(d);::S(G)
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