MESON Chess Problem Database

Problem Display
PID: 64413 (8/8/3p2B1/4R2Q/2kn1R1p/K4p1P/5Pnr/4B2b w - - 0 1)

Stocchi, Ottavio

Comm., The Hindu, 1952

8/8/3p2B1/4R2Q/2kn1R1p/K4p1P/5Pnr/4B2b

#2

8 + 8

5407 Selected Stocchi (II) 2004

SOLUTION

  • SOUND
  • Tries
    • 1.Ra5?
      • threat
        • 2.Ra4#
        • 2.Qb5#
        • 2.Qd5#
      • 1...Sxf4
        • 2.Ra4#
      • 1...Se3
        • 2.Ra4#
        • 2.Qb5#
      • 1...d5
        • 2.Qxd5#
      • 1...Sxe1!
    • 1.Rb5?
      • threat
        • 2.Rb4#
        • 2.Qd5#
      • 1...Sxf4
        • 2.Rb4#
      • 1...d5
        • 2.Qxd5#
      • 1...Se3
        • 2.Rb4#
      • 1...Sxe1!
  • Keys
    • 1.Qxf3!
      • threat
        • 2.Bd3#
        • 2.Qe2#
        • 2.Qd5#
        • 2.Qc6#
        • 2.Qb3#
        • 2.Qc3#
        • 2.Qd3#
      • 1...Rxh3
        • 2.Bd3#
      • 1...Sxe1
        • 2.Qb3#
      • 1...Sxf4
        • 2.Qc3#
      • 1...dxe5
        • 2.Qc6#
      • 1...d5
        • 2.Qxd5#
      • 1...Se3
        • 2.Qe2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 6
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);
      • Threat
        • DUALS(3)
      • Vars
        • S(b);N_SPINS(f),XR(E)::R(F)
        • P(h);::QAB1(G),XP(h)
      • Refutation
        • S(b);XB(A)
    • Try
      • R(F);
      • Threat
        • DUALS(2)
      • Vars
        • S(b);N_SPINS(f),XR(E)::R1(F)
        • P(h);::QAB1(G),XP(h)
        • S(b);::R1(F)
      • Refutation
        • S(b);XB(A)
  • Actual
    • Q(G);XP(d)
    • Threat
      • DUALS(7)
    • Vars
      • R(c);P_PINQ(G),XP(D)::B(H)
      • S(b);XB(A)::QAB1(G)
      • S(b);N_SPINS(f),XR(E)::QAR1(G)
      • P(h);XR(F)::QAR2(G)
      • P(h);::QAB1(G),XP(h)
      • S(b);::QAB(G)
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