MESON Chess Problem Database

Problem Display
PID: 159103 (6n1/4N3/2PK1B1b/3pNR2/3kB1Pp/1rRn1Q1q/1P6/8 w - - 0 1)

Djurasevic, Branislav

Sahovska Kompozicia, 1983

6n1/4N3/2PK1B1b/3pNR2/3kB1Pp/1rRn1Q1q/1P6/8

#2

11 + 8

15526 Svi Moji Sahovski Problemi (Djurasevic) 1992

SOLUTION

  • SOUND
  • Sets
    • 1...Qg2
      • 2.Qxd3#
    • 1...Qxg4
      • 2.Qxd3#
    • 1...Qh1
      • 2.Qxd3#
    • 1...Qh2
      • 2.Qxd3#
    • 1...Rxb2
      • 2.Rxd3#
    • 1...Rb4
      • 2.Rxd3#
    • 1...Rb5
      • 2.Rxd3#
    • 1...Rb6
      • 2.Rxd3#
    • 1...Rb7
      • 2.Rxd3#
    • 1...Rb8
      • 2.Rxd3#
    • 1...Sxe5
      • 2.Bxe5#
    • 1...Sxe7
      • 2.Sxd3#
    • 1...dxe4
      • 2.Rc4#
  • Tries
    • 1.Sc4+?
      • 1...Se5
        • 2.Bxe5#
      • 1...Sxf6!
    • 1.S5g6+?
      • 1...Se5
        • 2.Bxe5#
      • 1...Sxf6!
    • 1.Sd7+?
      • 1...Se5
        • 2.Bxe5#
      • 1...Sxf6!
    • 1.Sf7+?
      • 1...Se5
        • 2.Bxe5#
      • 1...Sxf6!
  • Keys
    • 1.Rf4!
      • threat
        • 2.Sf5#
      • 1...Qxg4
        • 2.Qxd3#
      • 1...Rxb2
        • 2.Rxd3#
      • 1...Sxe7
        • 2.Sxd3#
      • 1...Bf8
        • 2.Bxd3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 10
  • Sets
    • Q(c);N_GUARD::QAR1(C),XS(b)
    • Q(c);N_GUARD,XP(E)::QAR1(C),XS(b)
    • Q(c);N_GUARD,P_PINS(F)::QAR1(C),XS(b)
    • R(a);N_GUARD,XP(A)::R1(B),XS(b)
    • R(a);N_GUARD::R1(B),XS(b)
    • R(a);N_GUARD,P_PINP(H)::R1(B),XS(b)
    • S(b);OGATE,P_SPINS(b),XS(F)::B(J),XS(b)
    • S(h);N_GUARD,XS(K)::B(J)+S(F),XS(b)
    • P(f);N_GUARD,XB(D)::R1(B)
  • Tries
    • Try
      • S(F);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::B(J),XS(b)
      • Refutation
        • S(h);XB(J)
    • Try
      • S(F);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::B(J),XS(b)
      • Refutation
        • S(h);XB(J)
    • Try
      • S(F);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::B(J),XS(b)
      • Refutation
        • S(h);XB(J)
    • Try
      • S(F);CHECK
      • Vars
        • S(b);N_GUARD,P_SPINS(b)::B(J),XS(b)
      • Refutation
        • S(h);XB(J)
  • Actual
    • R(G);
    • Threat
      • S(K)
    • Vars
      • Q(c);N_GUARD,XP(E)::QAR1(C),XS(b)
      • R(a);N_GUARD,XP(A)::R1(B),XS(b)
      • S(h);N_GUARD,XS(K)::B(J)+S(F),XS(b)
      • B(g);N_GUARD,P_PINS(K)::R(G)+B(D),XS(b)
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