MESON Chess Problem Database

Problem Display
PID: 108287 (5Q2/8/1Kp2p2/1p1NP2q/3k1p2/4rP2/BprpPN2/6B1 w - - 0 1)

Fleck, Ferenc

Revista Romana de Sah, 1950

5Q2/8/1Kp2p2/1p1NP2q/3k1p2/4rP2/BprpPN2/6B1

#2

9 + 10

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kxe5
      • 2.Qxf6#
    • 1...Ra3
      • 2.Sd3#
    • 1...Rc3
      • 2.Sd3#
    • 1...Rd3
      • 2.Sxd3#
    • 1...Rxe5
      • 2.Se4#
  • Tries
    • 1.Qc5+?
      • 1...Kxe5
        • 2.Sc3#
      • 1...Rxc5!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Qc5#
      • 1...Kxc3
        • 2.Qc5#
      • 1...Kxe5
        • 2.Qc5#
      • 1...Qxe5
        • 2.Qb4#
      • 1...Rcxc3
        • 2.Qd6#
      • 1...Rexc3
        • 2.Sd3#
      • 1...Rxe5
        • 2.Sfe4#
      • 1...c5
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 4
    • REMOVED MATES = 2
  • Sets
    • K(e);OGATEB,S_FLIGHT,XP(G)::QAB1(I),XP(j)
    • R(d);::B(A)+S(D)
    • R(d);::B(A)+S(D),XR(d)
    • R(d);SBLOCK,XP(G)::B(A)+S(D)
  • Tries
    • Try
      • Q(I);CHECK
      • Vars
        • K(e);S_FLIGHT,XP(G)::QAR(I)+S(F)
      • Refutation
        • R(b);XQ(I)
  • Actual
    • S(F);
    • Threat
      • QAB1(I)
    • Vars
      • K(e);S_FLIGHT,XS(F)::QAR2(I)
      • K(e);S_FLIGHT,XP(G)::QAR2(I)
      • Q(h);SBLOCK,XP(G)::QAR2(I)
      • R(b);SBLOCK,XS(F)::QAR2(I)
      • R(d);SBLOCK,XS(F)::B(A)+S(D)
      • R(d);SBLOCK,XP(G)::B(A)+S(D)
      • P(i);::QAB1(I),XP(i)
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