MESON Chess Problem Database

Problem Display
PID: 67064 (K7/3R2N1/2prp1n1/3p4/1BBk1P2/Nb6/p1p1Q3/3r4 w - - 0 1)

Stocchi, Ottavio

1st HM., Magyar Sakkelet, 1953

K7/3R2N1/2prp1n1/3p4/1BBk1P2/Nb6/p1p1Q3/3r4

#2

8 + 10

5407 Selected Stocchi (II) 2004

SOLUTION

  • SOUND
  • Sets
    • 1...Ra1
      • 2.Qd3#
    • 1...Rb1
      • 2.Qd3#
    • 1...Rc1
      • 2.Qd3#
    • 1...Re1
      • 2.Qd3#
    • 1...Rf1
      • 2.Qd3#
    • 1...Rg1
      • 2.Qd3#
    • 1...Rh1
      • 2.Qd3#
    • 1...Rd3
      • 2.Qxd3#
    • 1...Rxd7
      • 2.Sxe6#
    • 1...Bxc4
      • 2.Sxc2#
    • 1...Sh4
      • 2.Qe5#
    • 1...Se5
      • 2.Qxe5#
    • 1...Se7
      • 2.Qe5#
    • 1...Sf8
      • 2.Qe5#
    • 1...Sh8
      • 2.Qe5#
    • 1...dxc4
      • 2.Rxd6#
    • 1...c5
      • 2.Sb5#
    • 1...e5
      • 2.Sf5#
  • Tries
    • 1.Rxd6?
      • threat
        • 2.Sxe6#
      • 1...Sf8
        • 2.Qe5#
      • 1...e5
        • 2.Sf5#
        • 2.Se6#
      • 1...Sxf4!
  • Keys
    • 1.Bxd5!
      • threat
        • 2.Qe4#
      • 1...Kxd5
        • 2.Rxd6#
      • 1...Rxd5
        • 2.Sxe6#
      • 1...Bxd5
        • 2.Sxc2#
      • 1...cxd5
        • 2.Sb5#
      • 1...exd5
        • 2.Sf5#
      • 1...Re1
        • 2.Qd2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 5
    • REMOVED MATES = 17
  • Sets
    • R(a);N_GUARD::QAR1(A)
    • R(a);N_GUARD::QAR1(A),XR(a)
    • R(h);N_GUARD,XR(F)::S(G),XP(i)
    • B(d);N_GUARD,XB(D)::S(B),XP(c)
    • S(j);N_GUARD::QAB1(A)
    • S(j);N_GUARD::QAB1(A),XS(j)
    • P(f);OGATEB,P_SPINR(h),XB(D)::R(F),XR(h)
    • P(g);N_GUARD::S(B)
    • P(i);N_GUARD::S(G)
  • Tries
    • Try
      • R(F);P_PINP(f),XR(h)
      • Threat
        • S(G),XP(i)
      • Vars
        • S(j);N_GUARD::QAB1(A)
      • Refutation
        • S(j);XP(E)
  • Actual
    • B(D);XP(f)
    • Threat
      • QAR1(A)
    • Vars
      • K(e);OGATEB,P-FLIGHT,P_SPINR(h),XB(D)::R1(F),XR(h)
      • R(h);N_GUARD,P_SPINR(h),XB(D)::S(G),XP(i)
      • B(d);N_GUARD,SBLOCK,XB(D)::S(B),XP(c)
      • P(g);N_GUARD,SBLOCK,XB(D)::S(B)
      • P(i);N_GUARD,SBLOCK,XB(D)::S(G)
      • R(a);N_GUARD::QAR2(A)
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