MESON Chess Problem Database

Problem Display
PID: 10509 (5Q2/6r1/rp2p3/4p3/2P4n/4k1n1/3R1RP1/1B4K1 w - - 0 1)

Nesic, Milivoj S

1st HM., Sahovski Glasnik, 1965

5Q2/6r1/rp2p3/4p3/2P4n/4k1n1/3R1RP1/1B4K1

#2

7 + 8

273 Mat Plus 1994

SOLUTION

  • SOUND
  • Sets
    • 1...Ra3
      • 2.Qxa3#
    • 1...Ra7
      • 2.Qh6#
    • 1...Rb7
      • 2.Qh6#
    • 1...Rc7
      • 2.Qh6#
    • 1...Rd7
      • 2.Qh6#
    • 1...Re7
      • 2.Qh6#
    • 1...Sf1
      • 2.Rfe2#
    • 1...Sh1
      • 2.Rfe2#
    • 1...Se2+
      • 2.Rfxe2#
    • 1...Se4
      • 2.Rd3#
      • 2.Rfe2#
    • 1...Sh5
      • 2.Rfe2#
    • 1...Sxg2
      • 2.Qf3#
    • 1...Sf3+
      • 2.Qxf3#
    • 1...Sg6
      • 2.Qf3#
    • 1...e4
      • 2.Qf4#
    • 1...b5
      • 2.Qc5#
  • Tries
    • 1.Qd6?
      • threat
        • 2.Qd3#
      • 1...Se2+
        • 2.Rdxe2#
      • 1...Sf3+
        • 2.Rxf3#
      • 1...Ra3
        • 2.Qxa3#
        • 2.Qxb6#
      • 1...e4
        • 2.Qf4#
        • 2.Qd4#
      • 1...Rd7!
  • Keys
    • 1.Qd8!
      • threat
        • 2.Qd3#
      • 1...Se2+
        • 2.Rdxe2#
      • 1...Sf3+
        • 2.Rxf3#
      • 1...Ra3
        • 2.Qxb6#
      • 1...Rd7
        • 2.Qg5#
      • 1...e4
        • 2.Qd4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 5
    • ADDED MATES = 0
    • REMOVED MATES = 10
  • Sets
    • R(e);N_GUARD::QAR(G),XR(e)
    • R(h);OGATE::QAB(G)
    • S(b);N_GUARD,P_PINP(E)::R1(D)
    • S(b);CHECK,N_GUARD,P_PINP(E)::R1(D),XS(b)
    • S(c);N_GUARD,XP(E)::QAR1(G)
    • S(c);CHECK,N_GUARD::QAR1(G),XS(c)
    • S(c);N_GUARD::QAR1(G)
    • P(d);N_GUARD::QAB1(G)
    • P(f);N_GUARD::QAB(G)
  • Tries
    • Try
      • Q(G);
      • Threat
        • QAR1(G)
      • Vars
        • S(b);CHECK,N_GUARD,P_PINP(E)::R1(C),XS(b)
        • S(c);CHECK,N_GUARD::R1(D),XS(c)
      • Refutation
        • R(h);
  • Actual
    • Q(G);
    • Threat
      • QAR1(G)
    • Vars
      • S(b);CHECK,N_GUARD,P_PINP(E)::R1(C),XS(b)
      • S(c);CHECK,N_GUARD::R1(D),XS(c)
      • R(e);N_GUARD::QAB(G),XP(f)
      • R(h);N_GUARD::QAB(G)
      • P(d);N_GUARD::QAB1(G)
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