MESON Chess Problem Database

Problem Display
PID: 138152 (2K5/Q7/1NpPpP2/2R5/3Pkp2/2R2p2/2p5/3q4 w - - 0 1)

Nesic, Milivoj S

Politika, 1961

2K5/Q7/1NpPpP2/2R5/3Pkp2/2R2p2/2p5/3q4

#2

8 + 7

261 Mat 1980
6490 yacpdb 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd4
      • 2.Qa4#
    • 1...Qxd4
      • 2.Qh7#
  • Tries
    • 1.Sa4?
      • threat
        • 2.Re5#
      • 1...Qxd4
        • 2.Qh7#
      • 1...e5
        • 2.Rxe5#
      • 1...Kxd4!
    • 1.Sc4?
      • threat
        • 2.Re5#
      • 1...Qxd4
        • 2.Qh7#
      • 1...e5
        • 2.Rxe5#
      • 1...Kxd4!
    • 1.Sd7?
      • threat
        • 2.Re5#
      • 1...Kxd4
        • 2.Qa4#
      • 1...e5
        • 2.Rxe5#
      • 1...Qxd4!
    • 1.Qa4?
      • threat
        • 2.Re5#
      • 1...e5
        • 2.Rxe5#
      • 1...Qxd4!
  • Keys
    • 1.Sa8!
      • threat
        • 2.Re5#
      • 1...Kxd4
        • 2.Qa4#
      • 1...Qxd4
        • 2.Qh7#
      • 1...e5
        • 2.Rxe5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 0
  • Sets
    • K(d);OGATEB,P-FLIGHT,XP(B)::QAR(G)
    • Q(a);SBLOCK,XP(B)::QAB(G)
  • Tries
    • Try
      • S(D);
      • Threat
        • R1(C)
      • Vars
        • Q(a);SBLOCK,XP(B)::QAB(G)
        • P(g);::R1(C),XP(g)
      • Refutation
        • K(d);P-FLIGHT,XP(B)
    • Try
      • S(D);
      • Threat
        • R1(C)
      • Vars
        • Q(a);SBLOCK,XP(B)::QAB(G)
        • P(g);::R1(C),XP(g)
      • Refutation
        • K(d);P-FLIGHT,XP(B)
    • Try
      • S(D);
      • Threat
        • R1(C)
      • Vars
        • K(d);OGATEB,P-FLIGHT,XP(B)::QAR(G)
        • P(g);::R1(C),XP(g)
      • Refutation
        • Q(a);XP(B)
    • Try
      • Q(G);
      • Threat
        • R1(C)
      • Vars
        • P(g);::R1(C),XP(g)
      • Refutation
        • Q(a);P_SPINQ(a),XP(B)
  • Actual
    • S(D);
    • Threat
      • R1(C)
    • Vars
      • K(d);OGATEB,P-FLIGHT,XP(B)::QAR(G)
      • Q(a);SBLOCK,XP(B)::QAB(G)
      • P(g);::R1(C),XP(g)
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