MESON Chess Problem Database

Problem Display
PID: 269424 (6b1/2r3p1/R2p2Qp/R2pkB1N/1q1n4/1P2rPb1/4n3/B5NK w - - 0 1)

Einat, Paz

Tarnawiecki, Antonio

Problem Paradise, 2023

6b1/2r3p1/R2p2Qp/R2pkB1N/1q1n4/1P2rPb1/4n3/B5NK

#2

10 + 12

SOLUTION

  • SOUND
  • Sets
    • 1...Rxf3
      • 2.Sxf3#
    • 1...Rf7
      • 2.Qe6#
    • 1...Be6
      • 2.Qxe6#
    • 1...Bh7
      • 2.Qe6#
  • Tries
    • 1.Bg4?
      • threat
        • 2.Qf5#
      • 1...Rxf3
        • 2.Sxf3#
      • 1...Rcc3
        • 2.Qxg7#
      • 1...Qc3
        • 2.Qxd6#
      • 1...Rec3
        • 2.Qe4#
      • 1...Rf7
        • 2.Qe6#
      • 1...Be6
        • 2.Qxe6#
      • 1...Bh7
        • 2.Qe6#
      • 1...Sc3!
    • 1.Bd7?
      • threat
        • 2.Qf5#
        • 2.Qxg7#
      • 1...Rxf3
        • 2.Sxf3#
      • 1...Rcc3
        • 2.Qxg7#
      • 1...Qc3
        • 2.Qxd6#
        • 2.Qxg7#
      • 1...Rec3
        • 2.Qe4#
        • 2.Qxg7#
      • 1...Bh4
        • 2.Qf5#
      • 1...Be6
        • 2.Qxe6#
      • 1...Bh7
        • 2.Qe8#
        • 2.Qe6#
        • 2.Qxg7#
      • 1...Sc3
        • 2.Qxg3#
        • 2.Qxg7#
      • 1...Rxd7!
    • 1.Qxg7+?
      • 1...Kxf5
        • 2.Qf6#
      • 1...Rxg7!
  • Keys
    • 1.Bh3!
      • threat
        • 2.Qf5#
      • 1...Rxf3
        • 2.Sxf3#
      • 1...Rcc3
        • 2.Qxg7#
      • 1...Qc3
        • 2.Qxd6#
      • 1...Rec3
        • 2.Qe4#
      • 1...Rf7
        • 2.Qe6#
      • 1...Be6
        • 2.Qxe6#
      • 1...Bh7
        • 2.Qe6#
      • 1...Sc3
        • 2.Qxg3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 4
    • REMOVED MATES = 0
  • Sets
    • R(b);XP(E)::S(B),XR(b)
    • R(j);S_CUTB(l)::QAR1(J)
    • B(l);N_GUARD::QAR1(J),XB(l)
    • B(l);N_GUARD::QAR1(J)
  • Tries
    • Try
      • B(G);
      • Threat
        • QAR1(J)
      • Vars
        • R(b);XP(E)::S(B),XR(b)
        • R(j);N_GUARD,N_SPINS(e)::QAB(J),XP(k)
        • Q(d);N_GUARD,N_SPINS(e)::QAB1(J),XP(h)
        • R(b);N_GUARD,N_SPINS(e)::QAR1(J)
        • R(j);S_CUTB(l)::QAR1(J)
        • B(l);N_GUARD::QAR1(J),XB(l)
        • B(l);N_GUARD::QAR1(J)
      • Refutation
        • S(a);N_SPINS(e)
    • Try
      • B(G);
      • Threat
        • DUALS(2)
      • Vars
        • R(b);XP(E)::S(B),XR(b)
        • R(j);N_SPINS(e)::QAB(J),XP(k)
        • B(c);::QAR1(J)
        • B(l);N_GUARD::QAR1(J),XB(l)
      • Refutation
        • R(j);XB(G)
    • Try
      • Q(J);CHECK,XP(k)
      • Vars
        • K(g);N_SPINS(e),P-FLIGHT,XB(G)::QAR1(J)
      • Refutation
        • R(j);XQ(J)
  • Actual
    • B(G);
    • Threat
      • QAR1(J)
    • Vars
      • R(b);XP(E)::S(B),XR(b)
      • R(j);N_GUARD,N_SPINS(e)::QAB(J),XP(k)
      • Q(d);N_GUARD,N_SPINS(e)::QAB1(J),XP(h)
      • R(b);N_GUARD,N_SPINS(e)::QAR1(J)
      • R(j);S_CUTB(l)::QAR1(J)
      • B(l);N_GUARD::QAR1(J),XB(l)
      • B(l);N_GUARD::QAR1(J)
      • S(a);N_GUARD,N_SPINS(e)::QAB(J),XB(c)
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