MESON Chess Problem Database

Problem Display
PID: 104478 (8/3Q4/8/3bP3/3k4/P2N2P1/p1BB4/K7 w - - 0 1)

Nesic, Milivoj S

SEPA, 1964

8/3Q4/8/3bP3/3k4/P2N2P1/p1BB4/K7

#2

8 + 3

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qa4#
    • 1...Ke4
      • 2.Qg4#
  • Tries
    • 1.Sb4?
      • threat
        • 2.Qxd5#
      • 1...Kc4
        • 2.Qxd5#
      • 1...Kxe5
        • 2.Bc3#
      • 1...Kc5!
    • 1.Sf4?
      • threat
        • 2.Qxd5#
      • 1...Kc4
        • 2.Qxd5#
      • 1...Kxe5
        • 2.Bc3#
      • 1...Kc5!
    • 1.Qd6?
      • 1...Kc4
        • 2.Qb4#
        • 2.Qc5#
      • 1...Ke4!
    • 1.Qa7+?
      • 1...Kc4
        • 2.Qc5#
        • 2.Qa4#
      • 1...Ke4!
    • 1.a4?
      • 1...Ke4
        • 2.Qg4#
      • 1...Kc4!
    • 1.g4?
      • 1...Kc4
        • 2.Qa4#
      • 1...Ke4!
    • 1.e6?
      • 1...Kc4
        • 2.Qa4#
      • 1...Ke4!
  • Keys
    • 1.Sb2!
      • 1...Kc5
        • 2.Be3#
      • 1...Kxe5
        • 2.Bc3#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • K(b);N_SPINB(c),P-FLIGHT::QAR2(H)
  • Tries
    • Try
      • S(E);
      • Threat
        • QAR1(H),XB(c)
      • Vars
        • K(b);N_SPINB(c),P-FLIGHT::QAB1(H),XB(c)
        • K(b);N_SPINB(c),S_FLIGHT,XP(G)::B(C)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • S(E);
      • Threat
        • QAR1(H),XB(c)
      • Vars
        • K(b);N_SPINB(c),P-FLIGHT::QAB1(H),XB(c)
        • K(b);N_SPINB(c),S_FLIGHT,XP(G)::B(C)
      • Refutation
        • K(b);N_SPINB(c),S_FLIGHT
    • Try
      • Q(H);
      • Refutation
        • K(b);N_SPINB(c),P-FLIGHT
    • Try
      • Q(H);CHECK,N_PINB(c)
      • Refutation
        • K(b);P-FLIGHT
    • Try
      • P(D);
      • Vars
        • K(b);N_SPINB(c),P-FLIGHT::QAR2(H)
      • Refutation
        • K(b);N_SPINB(c),P-FLIGHT
    • Try
      • P(F);
      • Vars
        • K(b);N_SPINB(c),P-FLIGHT::QAR2(H)
      • Refutation
        • K(b);N_SPINB(c),P-FLIGHT
    • Try
      • P(G);
      • Vars
        • K(b);N_SPINB(c),P-FLIGHT::QAR2(H)
      • Refutation
        • K(b);N_SPINB(c),P-FLIGHT
  • Actual
    • S(E);
    • Vars
      • K(b);N_SPINB(c),S_FLIGHT::B(C)
      • K(b);N_SPINB(c),S_FLIGHT,XP(G)::B(C)
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