MESON Chess Problem Database

Problem Display
PID: 47940 (5K2/1ppN1P2/2p1b2R/1P1kr1p1/1n2p1Q1/B7/4N3/2R5 w - - 0 1)

Petrovic, Nenad

Prize, CSTV, 1959

5K2/1ppN1P2/2p1b2R/1P1kr1p1/1n2p1Q1/B7/4N3/2R5

#2

9 + 9

102 Probleemblad 2003

SOLUTION

  • SOUND
  • Sets
    • 1...Bxg4
      • 2.Rc5#
    • 1...Bf5
      • 2.Rc5#
    • 1...Bxd7
      • 2.Qxd7#
    • 1...Bxf7
      • 2.Rc5#
    • 1...Sa2
      • 2.Sf6#
    • 1...Sd3
      • 2.Sf6#
    • 1...Sa6
      • 2.Sf6#
    • 1...e3
      • 2.Qd4#
  • Keys
    • 1.Qg3!
      • threat
        • 2.Qxe5#
      • 1...Kd6
        • 2.Rd1#
      • 1...Bxd7
        • 2.Qb3#
      • 1...Rf5
        • 2.Rc5#
      • 1...Sc2
        • 2.Qb3#
      • 1...Sd3
        • 2.Sf6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 3
    • REMOVED MATES = 6
  • Sets
    • B(g);XQ(D)::R1(A)
    • B(g);::R1(A)
    • B(g);OGATE,XS(G)::QAR2(D),XB(g)
    • B(g);XP(H)::R1(A)
    • S(a);::S(G)
    • P(b);OGATE::QAR1(D)
  • Actual
    • Q(D);
    • Threat
      • QAR1(D),XR(d)
    • Vars
      • K(c);P-FLIGHT,P_SPINB(g),P_SPINR(d),P_SPINS(a)::R(A)
      • B(g);XS(G)::QAB(D)
      • R(d);P_PINP(H)::R1(A)
      • S(a);::QAB(D)
      • S(a);::S(G)
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