MESON Chess Problem Database

Problem Display
PID: 12400 (B7/1R4N1/2R4b/4n3/3nk3/8/6K1/3N1Q2 w - - 0 1)

Bartolovic, Hrvoje

1st Prize, Unikonzum, 1978

B7/1R4N1/2R4b/4n3/3nk3/8/6K1/3N1Q2

#2

7 + 4

3750 FIDE Album (1977-1979) 1984
3310 2345 Chess Problems 1997
145 StrateGems 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Be3
      • 2.Sc3#
  • Tries
    • 1.Rc4?
      • threat
        • 2.Re7#
      • 1...Kd5
        • 2.Rd7#
      • 1...Sc6
        • 2.Qf5#
      • 1...Sd7
        • 2.Rb5#
        • 2.Qf5#
      • 1...Sf3!
    • 1.Re6?
      • threat
        • 2.Rb4#
      • 1...Kd5
        • 2.Rb5#
      • 1...Se2
        • 2.Rd7#
      • 1...Sb5
        • 2.Rd7#
      • 1...Sc6!
    • 1.Rb4?
      • threat
        • 2.Re6#
      • 1...Kd5
        • 2.Sc3#
      • 1...Sxc6
        • 2.Qf5#
      • 1...Sf3!
    • 1.Qf5+?
      • 1...Kd5
        • 2.Rd7#
      • 1...Sxf5!
  • Keys
    • 1.Re7!
      • threat
        • 2.Rc4#
      • 1...Kd5
        • 2.Sc3#
      • 1...Sxc6
        • 2.Qc4#
      • 1...Se2
        • 2.Rd6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 1
  • Sets
    • B(d);SBLOCK::S(A)
  • Tries
    • Try
      • R(D);P_PINS(a)
      • Threat
        • B(G)+R(E)
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::B(G)+R(E),DCHECK
        • S(c);::QAB1(B)
      • Refutation
        • S(c);
    • Try
      • R(D);P_PINS(c)
      • Threat
        • B(G)+R(E)
      • Vars
        • K(b);N_SPINS(c),S_FLIGHT::B(G)+R(E),DCHECK
        • S(a);N_GUARD::B(G)+R(E)
      • Refutation
        • S(a);
    • Try
      • R(E);P_PINS(a)
      • Threat
        • B(G)+R(D)
      • Vars
        • K(b);N_SPINS(a),S_FLIGHT::S(A)
        • S(c);XR(D)::QAB1(B)
      • Refutation
        • S(c);
    • Try
      • Q(B);CHECK
      • Vars
        • K(b);P_SPINS(c),S_FLIGHT::R(E)
      • Refutation
        • S(a);XQ(B)
  • Actual
    • R(E);P_PINS(c)
    • Threat
      • B(G)+R(D)
    • Vars
      • K(b);N_SPINS(c),S_FLIGHT::S(A)
      • S(a);OGATEB,XR(D)::QAR2(B)
      • S(a);N_GUARD::B(G)+R(D)
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