MESON Chess Problem Database

Problem Display
PID: 16117 (2R5/3Q2K1/3n1Npp/1B6/rpNkpb2/p3Rp2/3p1p1q/2B5 w - - 0 1)

Radovic, Srecko

2nd Place, Pula Internet Ty., 2000

2R5/3Q2K1/3n1Npp/1B6/rpNkpb2/p3Rp2/3p1p1q/2B5

#2

8 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Ra7
      • 2.Qxa7#
    • 1...a2
      • 2.Bb2#
  • Tries
    • 1.Sxd2?
      • threat
        • 2.Rxe4#
      • 1...Kxe3
        • 2.Sb3#
      • 1...Ke5
        • 2.Sxf3#
      • 1...Bxe3!
    • 1.Sa5?
      • threat
        • 2.Rxe4#
      • 1...Kxe3
        • 2.Qa7#
      • 1...Ke5
        • 2.Sc6#
      • 1...Bxe3!
    • 1.Rxe4+?
      • 1...Kd3
        • 2.Sb2#
        • 2.Sxd2#
        • 2.Sxa3#
        • 2.Se3#
        • 2.Sa5#
        • 2.Se5#
        • 2.Sb6#
        • 2.Sxd6#
      • 1...Kc3!
  • Keys
    • 1.Sxa3!
      • threat
        • 2.Rxe4#
      • 1...Kxe3
        • 2.Sc2#
      • 1...Ke5
        • 2.Bb2#
      • 1...Bxe3
        • 2.Bb2#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 2
  • Sets
    • R(f);N_GUARD,P_PINQ(F)::QAB(F),XR(f)
    • P(d);N_GUARD::B(A)
  • Tries
    • Try
      • S(C);XP(a)
      • Threat
        • R1(B),XP(i)
      • Vars
        • K(h);N_SPINS(k),S_FLIGHT,XR(B)::B(A)+S(C)
        • K(h);N_SPINS(k),P_SPINP(i),S_FLIGHT::S(C),XP(e)
      • Refutation
        • B(j);XR(B)
    • Try
      • S(C);
      • Threat
        • R1(B),XP(i)
      • Vars
        • K(h);N_SPINS(k),P_SPINP(a),S_FLIGHT,XR(B)::QAB(F)
        • K(h);N_SPINS(k),P_SPINP(i),S_FLIGHT::S(C)
      • Refutation
        • B(j);XR(B)
    • Try
      • R(B);CHECK,XP(i)
      • Refutation
        • K(h);N_SPINS(k),S_FLIGHT
  • Actual
    • S(C);XP(d)
    • Threat
      • R1(B),XP(i)
    • Vars
      • K(h);N_SPINS(k),P_SPINP(a),S_FLIGHT,XR(B)::S(C)
      • K(h);N_SPINS(k),P_SPINP(i),S_FLIGHT::B(A)
      • B(j);SBLOCK,XR(B)::B(A)
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