MESON Chess Problem Database

Problem Display
PID: 91602 (6Q1/2p3Kn/8/2B1kp2/R5b1/3Pprp1/2N2p1N/7q w - - 0 1)

Stocchi, Ottavio

Probleemblad, 1955

6Q1/2p3Kn/8/2B1kp2/R5b1/3Pprp1/2N2p1N/7q

#2

7 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Sb4?
      • threat
        • 2.Sc6#
      • 1...Rf4
        • 2.Qe8#
      • 1...f4
        • 2.Qd5#
      • 1...c6
        • 2.Sxc6#
      • 1...Kf4!
    • 1.Bd4+?
      • 1...Kf4
        • 2.Bf6#
      • 1...Kd6!
    • 1.Rd4?
      • threat
        • 2.Qd5#
        • 2.Qe8#
      • 1...f4
        • 2.Rd5#
        • 2.Qd5#
      • 1...Rf4
        • 2.Qe8#
      • 1...Bh5
        • 2.Qd5#
      • 1...Sg5
        • 2.Qd5#
      • 1...Sf8
        • 2.Qd5#
      • 1...c6
        • 2.Bd6#
        • 2.Qe8#
      • 1...Sf6!
  • Keys
    • 1.Sd4!
      • threat
        • 2.Sc6#
      • 1...Kf4
        • 2.Sdxf3#
      • 1...Rf4
        • 2.Qe6#
      • 1...f4
        • 2.Sxg4#
      • 1...c6
        • 2.Sxc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • S(A);
      • Threat
        • S(A)
      • Vars
        • R(d);SBLOCK::QAR(G)
        • P(h);SBLOCK::QAR1(G)
        • P(i);::S(A),XP(i)
      • Refutation
        • K(g);S_FLIGHT
    • Try
      • B(E);CHECK
      • Vars
        • K(g);OGATE,S_FLIGHT::R(D)+B(E)
      • Refutation
        • K(g);S_FLIGHT
    • Try
      • R(D);
      • Threat
        • DUALS(2)
      • Vars
        • R(d);::QAR(G)
        • B(f);::QAR1(G)
        • S(j);::QAR1(G)
      • Refutation
        • S(j);
  • Actual
    • S(A);
    • Threat
      • S(A)
    • Vars
      • K(g);S_FLIGHT::R(D)+S(A),XR(d)
      • R(d);SBLOCK::QAR1(G)
      • P(h);N_GUARD,SBLOCK::S(B),XB(f)
      • P(i);::S(A),XP(i)
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