MESON Chess Problem Database

Problem Display
PID: 61185 (8/b1n3p1/3pn1P1/1b1R1p1K/4Nk1p/r4pp1/1N1P3q/1BB1Q3 w - - 0 1)

Velimirovic, Milan

Uralski Problemist, 2004

8/b1n3p1/3pn1P1/1b1R1p1K/4Nk1p/r4pp1/1N1P3q/1BB1Q3

#2

9 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...fxe4
      • 2.Qxe4#
  • Tries
    • 1.Sc5?
      • threat
        • 2.Rxf5#
      • 1...Sxd5
        • 2.Sxe6#
      • 1...Qh3
        • 2.d3#
      • 1...Bd3
        • 2.Qe3#
      • 1...Sd4
        • 2.Rxd4#
      • 1...Rd3!
    • 1.Sxd6?
      • threat
        • 2.Rxf5#
        • 2.Qe5#
      • 1...f2
        • 2.Rxf5#
      • 1...Qe2
        • 2.Rxf5#
      • 1...Qh3
        • 2.Qe5#
      • 1...Re3
        • 2.Rxf5#
      • 1...Be2
        • 2.Rxf5#
      • 1...Bd3
        • 2.Qe5#
      • 1...Be3
        • 2.Rxf5#
      • 1...Bd4
        • 2.Rxf5#
      • 1...Sd4
        • 2.Qe5#
      • 1...Sxd5!
    • 1.d3+?
      • 1...Be3
        • 2.Bxe3#
        • 2.Qxe3#
      • 1...Qd2!
    • 1.d4+?
      • 1...Re3
        • 2.Bxe3#
        • 2.Qxe3#
      • 1...Qd2!
  • Keys
    • 1.Sc3!
      • threat
        • 2.Rxf5#
      • 1...Sxd5
        • 2.Sxd5#
      • 1...Qh3
        • 2.d4#
      • 1...Bd3
        • 2.Sxd3#
      • 1...Sd4
        • 2.Qe3#

This is a version of 41546

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 1
  • Sets
    • P(h);OGATE,XS(F)::QAR1(C),XP(h)
  • Tries
    • Try
      • S(F);
      • Threat
        • R1(G),XP(h)
      • Vars
        • S(l);N_GUARD,XR(G)::S(F),XS(j)
        • Q(a);N_GUARD::B(B)+P(E)
        • B(g);S_CUTR(b)::QAB1(C)
        • S(j);N_GUARD::R(G),XS(j)
      • Refutation
        • R(b);
    • Try
      • S(F);XP(i)
      • Threat
        • DUALS(2)
      • Vars
        • P(c);::R1(G),XP(h)
        • Q(a);::R1(G),XP(h)
        • Q(a);::QAB1(C)
        • R(b);::R1(G),XP(h)
        • B(g);::R1(G),XP(h)
        • B(g);::QAB1(C)
        • B(k);::R1(G),XP(h)
        • S(j);::QAB1(C)
      • Refutation
        • S(l);XR(G)
    • Try
      • P(E);CHECK
      • Refutation
        • Q(a);P_SPINQ(a)
    • Try
      • P(E);CHECK
      • Refutation
        • Q(a);P_SPINQ(a)
  • Actual
    • S(F);
    • Threat
      • R1(G),XP(h)
    • Vars
      • S(l);XR(G)::S(F),XS(l)
      • Q(a);N_GUARD::B(B)+P(E)
      • B(g);N_GUARD::S(D),XB(g)
      • S(j);S_CUTB(k)::QAB1(C)
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