MESON Chess Problem Database

Problem Display
PID: 45708 (3nR3/r4B2/2QBbppb/p2N1k2/K7/p1p2NpP/3Pn1P1/2r1R3 w - - 0 1)

Schneider, Vilmos

3rd HM., Springaren, 1952

3nR3/r4B2/2QBbppb/p2N1k2/K7/p1p2NpP/3Pn1P1/2r1R3

#2

11 + 13

23 Die Schwalbe 2002

SOLUTION

  • SOUND
  • Sets
    • 1...Ra6
      • 2.Se7#
    • 1...Re7
      • 2.Sxe7#
    • 1...Ra8
      • 2.Se7#
    • 1...Bxd5
      • 2.Qxd5#
    • 1...Bd7
      • 2.Se7#
    • 1...Be3
      • 2.Sxe3#
    • 1...Bg7
      • 2.Se3#
    • 1...Bf8
      • 2.Se3#
    • 1...Sf4
      • 2.Se3#
    • 1...Sb7
      • 2.Se7#
    • 1...g5
      • 2.Se3#
  • Tries
    • 1.Sh4+?
      • 1...Ke4
        • 2.Qc4#
      • 1...Kg5!
    • 1.Bxe6+?
      • 1...Ke4
        • 2.Qc4#
      • 1...Sxe6!
    • 1.Qc4?
      • threat
        • 2.Qd3#
        • 2.Qg4#
      • 1...Bxd5
        • 2.Qxd5#
        • 2.Qg4#
      • 1...Bf4
        • 2.Qd3#
      • 1...Sd4
        • 2.Qd3#
      • 1...Sf4
        • 2.Se3#
        • 2.Qe4#
      • 1...Bd7+!
  • Keys
    • 1.Qb5!
      • threat
        • 2.Qd3#
      • 1...Ke4
        • 2.Sxf6#
      • 1...Bxd5
        • 2.Qxd5#
      • 1...Bd7
        • 2.Se3#
      • 1...Sf4
        • 2.Se7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 8
  • Sets
    • R(l);N_GUARD::S(G)
    • R(l);N_GUARD::S(G),XR(l)
    • B(h);OGATE,XS(G)::QAR2(H),XB(h)
    • B(h);P_PINQ(H),S_CUTR(l)::S(G)
    • B(k);N_GUARD::S(G),XB(k)
    • B(k);N_GUARD::S(G)
    • S(b);S_CUTB(k)::S(G)
    • S(m);S_CUTR(l)::S(G)
    • P(j);S_CUTB(k)::S(G)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • K(g);P_SPINB(h),P_SPINS(b),S_FLIGHT::QAR2(H)
      • Refutation
        • K(g);P-FLIGHT
    • Try
      • B(J);CHECK,XB(h)
      • Vars
        • K(g);P_SPINS(b),S_FLIGHT::QAR2(H)
      • Refutation
        • S(m);XB(J)
    • Try
      • Q(H);
      • Threat
        • DUALS(2)
      • Vars
        • B(k);::QAB(H)
        • S(b);::QAB(H)
      • Refutation
        • B(h);CHECK
  • Actual
    • Q(H);
    • Threat
      • QAB(H)
    • Vars
      • K(g);P_SPINB(h),P_SPINS(b),S_FLIGHT::S(G),XP(i)
      • B(h);OGATE,P_SPINB(h),XS(G)::QAR2(H),XB(h)
      • B(h);P_PINQ(H)::QAR(H)+S(G),DCHECK
      • S(b);::QAR(H)+S(G),DCHECK
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