MESON Chess Problem Database

Problem Display
PID: 17792 (b2nQ3/1N6/1p2pq2/1R3Np1/P1k1nbR1/2p2Kp1/2Pp1B2/3r4 w - - 0 1)

Wrobel, Marian

2nd Prize, Stratford Express, 1949

b2nQ3/1N6/1p2pq2/1R3Np1/P1k1nbR1/2p2Kp1/2Pp1B2/3r4

#2

9 + 13

3105 FIDE Album (1945-1955) 1964

SOLUTION

  • SOUND
  • Sets
    • 1...Be3
      • 2.Sd6#
    • 1...Bd6
      • 2.Sxd6#
    • 1...Sd6
      • 2.Sxd6#
  • Tries
    • 1.Qc6+?
      • 1...Sc5
        • 2.Sfd6#
        • 2.Sbd6#
      • 1...Sxc6!
    • 1.Qxd8?
      • threat
        • 2.Qd3#
      • 1...Sxf2
        • 2.Se3#
        • 2.Qc7#
        • 2.Qc8#
      • 1...Qd4
        • 2.Qxd4#
      • 1...Bd6
        • 2.Sxd6#
      • 1...Sc5
        • 2.Se3#
      • 1...Sd6
        • 2.Sxd6#
        • 2.Qc7#
      • 1...Qxd8!
  • Keys
    • 1.Qd7!
      • threat
        • 2.Qd3#
      • 1...Sxf2
        • 2.Se3#
      • 1...Qd4
        • 2.Qxd4#
      • 1...Bd6
        • 2.Sxd6#
      • 1...Sc5
        • 2.Se3#
      • 1...Sd6
        • 2.Sxd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(g);N_GUARD,P_PINS(G),P_SPINS(f)::S(H)
    • B(g);N_GUARD,P_PINS(G),P_SPINS(f)::S(H),XB(g)
    • S(f);N_GUARD,P_PINS(H),P_SPINB(g)::S(G),XS(f)
  • Tries
    • Try
      • Q(I);CHECK
      • Refutation
        • S(m);XQ(I)
    • Try
      • Q(I);XS(m)
      • Threat
        • QAB1(I)
      • Vars
        • Q(k);N_GUARD::QAR1(I),XQ(k)
        • B(g);N_GUARD,P_PINS(G),P_SPINS(f)::S(H),XB(g)
        • S(f);P_PINS(H),P_SPINB(g)::S(G)
      • Refutation
        • Q(k);XQ(I)
  • Actual
    • Q(I);
    • Threat
      • QAB1(I)
    • Vars
      • S(f);P_PINS(H),P_SPINB(g),XB(B)::S(G)
      • Q(k);N_GUARD::QAR1(I),XQ(k)
      • B(g);N_GUARD,P_PINS(G),P_SPINS(f)::S(H),XB(g)
      • S(f);P_PINS(H),P_SPINB(g)::S(G)
      • S(f);N_GUARD,P_PINS(H),P_SPINB(g)::S(G),XS(f)
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