MESON Chess Problem Database

Problem Display
PID: 226673 (N4B2/p2K4/r4kP1/1p1QN2n/6PP/3Prpn1/4b1B1/8 w - - 0 1)

Strebkovs, Andrejs

Sachova skladba, 2005

N4B2/p2K4/r4kP1/1p1QN2n/6PP/3Prpn1/4b1B1/8

#2

10 + 9

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Rxe5
      • 2.Qf7#
    • 1...Ra1
      • 2.Qe6#
      • 2.Qd6#
    • 1...Ra2
      • 2.Qe6#
      • 2.Qd6#
    • 1...Ra3
      • 2.Qe6#
      • 2.Qd6#
    • 1...Ra4
      • 2.Qe6#
      • 2.Qd6#
    • 1...Ra5
      • 2.Qe6#
      • 2.Qd6#
    • 1...Rd6+
      • 2.Qxd6#
    • 1...Re6
      • 2.Qxe6#
    • 1...Sf5
      • 2.g5#
    • 1...Sg7
      • 2.Be7#
  • Tries
    • 1.Bh3?
      • threat
        • 2.g5#
      • 1...Rd6+
        • 2.Qxd6#
      • 1...Rxe5
        • 2.Qf7#
      • 1...Se4!
    • 1.d4?
      • threat
        • 2.Qf7#
      • 1...Rd6+
        • 2.Qxd6#
      • 1...Re6
        • 2.Qxe6#
      • 1...Bc4!
    • 1.g7?
      • threat
        • 2.g8S#
      • 1...Rd6+
        • 2.Qxd6#
      • 1...Sxg7
        • 2.Be7#
      • 1...Rxe5!
  • Keys
    • 1.Sc7!
      • threat
        • 2.Se8#
      • 1...Rd6+
        • 2.Qxd6#
      • 1...Rxe5
        • 2.Qf7#
      • 1...Re6
        • 2.Qxe6#
      • 1...Sg7
        • 2.Be7#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • R(b);SBLOCK,XS(F)::QAR1(E)
    • R(g);CHECK,N_GUARD::QAR2(E),XR(g)
    • R(g);N_GUARD::QAR1(E),XR(g)
    • S(d);SBLOCK::P(C)
    • S(f);SBLOCK::B(J)
  • Tries
    • Try
      • B(A);
      • Threat
        • P(C)
      • Vars
        • R(g);CHECK,N_GUARD::QAR2(E),XR(g)
        • R(b);SBLOCK,XS(F)::QAR1(E)
      • Refutation
        • S(d);
    • Try
      • P(B);
      • Threat
        • QAR1(E)
      • Vars
        • R(g);CHECK,N_GUARD::QAR2(E),XR(g)
        • R(g);N_GUARD::QAR1(E),XR(g)
      • Refutation
        • B(a);
    • Try
      • P(G);
      • Threat
        • P=S
      • Vars
        • R(g);CHECK,N_GUARD::QAR2(E),XR(g)
        • S(f);SBLOCK,XP(G)::B(J)
      • Refutation
        • R(b);XS(F)
  • Actual
    • S(I);
    • Threat
      • S(I)
    • Vars
      • R(g);CHECK,N_GUARD::QAR2(E),XR(g)
      • R(b);SBLOCK,XS(F)::QAR1(E)
      • R(g);N_GUARD::QAR1(E),XR(g)
      • S(f);SBLOCK::B(J)
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