MESON Chess Problem Database

Problem Display
PID: 36267 (2B5/3n4/1bp2P1R/4kN2/4nN1K/B4PP1/8/5Q2 w - - 0 1)

Rudenko, Valentin Fedorovich

Europe Echecs, 1974

2B5/3n4/1bp2P1R/4kN2/4nN1K/B4PP1/8/5Q2

#2

10 + 5

3771 FIDE Album (1974-1976) 1980

SOLUTION

  • SOUND
  • Tries
    • 1.Bd6+?
      • 1...Kxf5
        • 2.Bxd7#
        • 2.Qh3#
        • 2.g4#
      • 1...Sxd6!
    • 1.Qe2?
      • threat
        • 2.Qxe4#
      • 1...Kxf5
        • 2.Qxe4#
      • 1...Sxf6
        • 2.Bd6#
      • 1...Sc5
        • 2.Bb2#
      • 1...Be3!
    • 1.Qe1?
      • threat
        • 2.Qxe4#
      • 1...Kxf5
        • 2.Qxe4#
      • 1...Sxf6
        • 2.Bd6#
      • 1...Sc5
        • 2.Bb2#
      • 1...Be3!
  • Keys
    • 1.Qd3!
      • threat
        • 2.Qxe4#
      • 1...Kxf5
        • 2.Qxe4#
      • 1...Sxg3
        • 2.Bd6#
      • 1...Sexf6
        • 2.Bd6#
      • 1...Sdxf6
        • 2.Sg6#
      • 1...Sd2
        • 2.Bd6#
      • 1...Sf2
        • 2.Bd6#
      • 1...Sc3
        • 2.Bd6#
      • 1...Sec5
        • 2.Bb2#
      • 1...Sg5
        • 2.Bd6#
      • 1...Sd6
        • 2.Bxd6#
      • 1...Sdc5
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 11
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);CHECK
      • Refutation
        • S(a);XB(B)
    • Try
      • Q(A);P_PINS(a)
      • Threat
        • QAR1(A),XS(a)
      • Vars
        • K(b);N_SPINS(a),P-FLIGHT,P_SPINS(e),XS(G)::QAB1(A),XS(a)
        • S(e);XP(H)::B(B)
        • S(e);S_CUTB(c)::B(B)
      • Refutation
        • B(c);N_SPINS(a)
    • Try
      • Q(A);P_PINS(a)
      • Threat
        • QAR1(A),XS(a)
      • Vars
        • K(b);N_SPINS(a),P-FLIGHT,P_SPINS(e),XS(G)::QAB1(A),XS(a)
        • S(e);XP(H)::B(B)
        • S(e);S_CUTB(c)::B(B)
      • Refutation
        • B(c);N_SPINS(a)
  • Actual
    • Q(A);
    • Threat
      • QAR1(A),XS(a)
    • Vars
      • K(b);P-FLIGHT,P_SPINS(a),XS(G)::QAB1(A),XS(a)
      • S(a);N_GUARD,XP(D)::B(B)
      • S(a);N_GUARD,XP(H)::B(B)
      • S(e);SBLOCK,XP(H)::S(E)
      • S(a);N_GUARD::B(B)
      • S(a);N_GUARD,S_CUTB(c)::B(B)
      • S(a);N_GUARD::B(B),XS(a)
      • S(e);S_CUTB(c)::QAB1(A)
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