MESON Chess Problem Database

Problem Display
PID: 138521 (6bK/4QppB/3N2r1/1Ppkp1p1/R3N2n/7r/2P3P1/8 w - - 0 1)

Nesic, Milivoj S

Mlad Borec, 1966

6bK/4QppB/3N2r1/1Ppkp1p1/R3N2n/7r/2P3P1/8

#2

9 + 10

6490 yacpdb 2011

SOLUTION

  • SOUND
  • Sets
    • 1...Rh1
      • 2.Sc3#
    • 1...Rh2
      • 2.Sc3#
    • 1...Rc3
      • 2.Sxc3#
    • 1...Rxd6
      • 2.Qxd6#
    • 1...Re6
      • 2.Qb7#
    • 1...Sf3
      • 2.Sc3#
    • 1...f6
      • 2.Bxg8#
  • Tries
    • 1.Sf6+?
      • 1...Rxf6
        • 2.Be4#
      • 1...gxf6!
    • 1.Sxf7?
      • threat
        • 2.Qxe5#
      • 1...Re6
        • 2.Qxc5#
      • 1...Sf3
        • 2.Sc3#
      • 1...Bxf7!
    • 1.Qxf7+?
      • 1...Re6
        • 2.Qb7#
      • 1...Bxf7!
  • Keys
    • 1.Sc4!
      • threat
        • 2.Qxe5#
      • 1...Kd4
        • 2.Qxe5#
      • 1...Kxe4
        • 2.Qxe5#
      • 1...Re6
        • 2.Qxc5#
      • 1...Sf3
        • 2.Se3#
      • 1...f6
        • 2.Sb6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 3
    • ADDED MATES = 2
    • REMOVED MATES = 4
  • Sets
    • R(a);N_GUARD::S(D)
    • R(a);N_GUARD::S(D),XR(a)
    • R(g);OGATE,XS(F)::QAR1(G),XR(g)
    • R(g);SBLOCK::QAB(G)
    • S(b);P_PINB(H),S_CUTR(a)::S(D)
    • P(h);OGATEB::B(H),XB(j)
  • Tries
    • Try
      • S(D);CHECK
      • Vars
        • R(g);OGATE,XS(D)::B(H)
      • Refutation
        • P(i);XS(D)
    • Try
      • S(F);XP(h)
      • Threat
        • QAR1(G),XP(e)
      • Vars
        • R(g);SBLOCK::QAR1(G),XP(c)
        • S(b);P_PINB(H),S_CUTR(a)::S(D)
      • Refutation
        • B(j);XS(F)
    • Try
      • Q(G);CHECK,XP(h)
      • Vars
        • R(g);P_SPINR(g),SBLOCK::QAB(G)
      • Refutation
        • B(j);XQ(G)
  • Actual
    • S(F);
    • Threat
      • QAR1(G),XP(e)
    • Vars
      • K(d);P-FLIGHT::QAB1(G),XP(e)
      • K(d);P_SPINP(e),P_SPINR(g),S_FLIGHT,XS(D)::QAR1(G),XP(e)
      • R(g);SBLOCK::QAR1(G),XP(c)
      • S(b);P_PINB(H),S_CUTR(a)::S(F)
      • P(h);S_CUTR(g)::S(F)
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