MESON Chess Problem Database

Problem Display
PID: 277854 (2bB4/r1P5/R1BkpRN1/1Pn5/1bQpqNp1/p2pr3/K2n4/8 w - - 0 1)

Sterkowiec, Marcin

Meson, 2024

2bB4/r1P5/R1BkpRN1/1Pn5/1bQpqNp1/p2pr3/K2n4/8

#2

10 + 13

SOLUTION

  • SOUND
  • Sets
    • 1...Qd5
      • 2.Qxd5#
    • 1...Qxc6
      • 2.Qd5#
      • 2.Qxd4#
    • 1...Qxg6
      • 2.Qd5#
      • 2.Qxd4#
    • 1...Qxf4
      • 2.Qd5#
  • Tries
    • 1.Sd5?
      • threat
        • 2.Be7#
      • 1...Qxd5
        • 2.Qxd5#
      • 1...Rxc7
        • 2.Bxc7#
      • 1...Qxg6!
    • 1.Sh8?
      • threat
        • 2.Sf7#
      • 1...Ke5
        • 2.Sf7#
      • 1...Qxc6
        • 2.Qd5#
        • 2.Qxd4#
      • 1...Qg6
        • 2.Qd5#
        • 2.Qxd4#
      • 1...Qh7
        • 2.Qd5#
        • 2.Qxd4#
      • 1...Rxc7!
    • 1.Bxe4+?
      • 1...Rxa6
        • 2.Qd5#
        • 2.Qxd4#
      • 1...Bxa6
        • 2.Qd5#
        • 2.Qxd4#
      • 1...Sxa6
        • 2.Qd5#
        • 2.Qxd4#
        • 2.Qc6#
      • 1...Kd7!
    • 1.Qxd4+?
      • 1...Qd5+
        • 2.Qxd5#
      • 1...Qxd4!
  • Keys
    • 1.Sxe6!
      • threat
        • 2.Be7#
      • 1...Qxc6
        • 2.Qxd4#
      • 1...Qxg6
        • 2.Qd5#
        • 2.Qxd4#
      • 1...Qxe6
        • 2.Qd5#
      • 1...Rxc7
        • 2.Bxc7#
      • 1...Bxe6
        • 2.c8S#
      • 1...Sxe6
        • 2.Qxb4#

This is a version of 147973

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 5
    • REMOVED MATES = 2
  • Sets
    • Q(g);N_GUARD,P_PINQ(B)::QAR1(B),XQ(g)
    • Q(g);N_GUARD,XS(C)::QAR1(B)
  • Tries
    • Try
      • S(C);
      • Threat
        • B(J)
      • Vars
        • Q(g);OGATE,P_PINQ(B),XS(C)::QAR1(B),XQ(g)
        • R(l);OGATE,XP(I)::B(J),XR(l)
      • Refutation
        • Q(g);XS(H)
    • Try
      • S(H);
      • Threat
        • S(H)
      • Vars
        • K(j);N_SPINP(k),S_FLIGHT::S(H)
      • Refutation
        • R(l);XP(I)
    • Try
      • B(F);CHECK,XQ(g)
      • Refutation
        • K(j);N_SPINP(k),P-FLIGHT
    • Try
      • Q(B);CHECK,XP(f)
      • Vars
        • Q(g);CHECK,N_GUARD,P_SPINQ(g)::QAR1(B),XQ(g)
      • Refutation
        • Q(g);XQ(B)
  • Actual
    • S(C);XP(k)
    • Threat
      • B(J)
    • Vars
      • Q(g);N_GUARD,P_SPINQ(g),XB(F)::QAR2(B),XP(f)
      • Q(g);N_GUARD,P_PINQ(B),P_SPINQ(g),XS(C)::QAR1(B)
      • R(l);OGATE,XP(I)::B(J),XR(l)
      • B(m);OGATE,P_PINQ(B),P_SPINB(m),XS(C)::P=S
      • S(i);OGATEB,P_SPINS(i),XS(C)::QAB(B),XB(e)
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