MESON Chess Problem Database

Problem Display
PID: 258083 (4b3/8/2R1pPp1/r2Np1Q1/2pbk1P1/q1p1prB1/2N4K/3R3B w - - 0 1)

Mosiashvili, Givi

Murashev, Pavel Aleksandrovich

1st Prize, Problemist Ukraini, 2019

4b3/8/2R1pPp1/r2Np1Q1/2pbk1P1/q1p1prB1/2N4K/3R3B

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Kxd5
      • 2.Bxf3#
    • 1...Bc5
      • 2.Qxe5#
    • 1...Bb6
      • 2.Qxe5#
    • 1...Ba7
      • 2.Qxe5#
  • Tries
    • 1.Sxc3+?
      • 1...Bxc3
        • 2.Qxe3#
      • 1...Qxc3!
    • 1.Rxe6?
      • threat
        • 2.Rxd4#
      • 1...Kxd5
        • 2.Qxe5#
      • 1...Rxd5
        • 2.Qf4#
      • 1...Bc5
        • 2.Rxe5#
        • 2.Qf4#
        • 2.Qxe5#
      • 1...Bb6
        • 2.Rxe5#
        • 2.Qf4#
        • 2.Qxe5#
      • 1...Ba7
        • 2.Rxe5#
        • 2.Qf4#
        • 2.Qxe5#
      • 1...Qc5!
    • 1.f7?
      • threat
        • 2.Sf6#
      • 1...Kxd5
        • 2.Bxf3#
      • 1...Rxd5
        • 2.Qxg6#
      • 1...exd5
        • 2.Qxg6#
      • 1...Qe7!
  • Keys
    • 1.Rxc4!
      • threat
        • 2.Qxe5#
      • 1...Kxd5
        • 2.Rdxd4#
      • 1...Rxd5
        • 2.Qxe3#
      • 1...Qd6
        • 2.Sxc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • K(g);N_GUARD,P_SPINB(f),P_SPINP(i),S_FLIGHT,XS(G)::B(B),XR(d)
    • B(f);N_GUARD::QAR1(H),XP(i)
  • Tries
    • Try
      • S(G);CHECK,XP(b)
      • Vars
        • B(f);XS(G)::QAR1(H),XP(c)
      • Refutation
        • Q(a);XS(G)
    • Try
      • R(I);P_PINP(i),XP(j)
      • Threat
        • R1(A),XB(f)
      • Vars
        • K(g);P_SPINB(f),S_FLIGHT,XS(G)::QAR1(H),XP(i)
        • R(h);SBLOCK,XS(G)::QAR1(H)
      • Refutation
        • Q(a);
    • Try
      • P(J);
      • Threat
        • S(G)
      • Vars
        • K(g);N_GUARD,P_SPINB(f),P_SPINP(i),S_FLIGHT,XS(G)::B(B),XR(d)
        • R(h);SBLOCK,XS(G)::QAB(H),XP(k)
        • P(j);SBLOCK,XS(G)::QAB(H),XP(k)
      • Refutation
        • Q(a);
  • Actual
    • R(I);P_PINB(f),XP(e)
    • Threat
      • QAR1(H),XP(i)
    • Vars
      • K(g);P_SPINP(i),S_FLIGHT,XS(G)::R1(A),XB(f)
      • R(h);SBLOCK,XS(G)::QAR1(H),XP(c)
      • Q(a);N_GUARD::S(G),XP(b)
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