MESON Chess Problem Database

Problem Display
PID: 238796 (8/N3Qp2/2Pp1p2/2Pk4/3p1p2/BR6/2pR4/1bK2B2 w - - 0 1)

Janevski, Zivko

Mat Plus, 2010

8/N3Qp2/2Pp1p2/2Pk4/3p1p2/BR6/2pR4/1bK2B2

#2

9 + 8

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Tries
    • 1.Bd3?
      • threat
        • 2.Qxd6#
        • 2.Qe4#
      • 1...f5
        • 2.Qxd6#
      • 1...dxc5!
    • 1.Rxc2?
      • threat
        • 2.Bc4#
      • 1...d3
        • 2.Rxd3#
      • 1...Bxc2!
    • 1.Re2?
      • threat
        • 2.Qxf7#
      • 1...dxc5
        • 2.Qxc5#
      • 1...d3
        • 2.Qe4#
      • 1...Kc4!
    • 1.Rc3?
      • threat
        • 2.Bc4#
      • 1...d3
        • 2.Rdxd3#
      • 1...Ba2!
    • 1.Re3?
      • threat
        • 2.Qxd6#
        • 2.Qe4#
        • 2.Qxf7#
      • 1...dxc5
        • 2.Qxc5#
        • 2.Qd8#
        • 2.Qd7#
      • 1...d3
        • 2.Qe4#
      • 1...f5
        • 2.Qxd6#
        • 2.Qxf7#
      • 1...fxe3!
    • 1.Rb5?
      • threat
        • 2.cxd6#
      • 1...dxc5
        • 2.Rxc5#
      • 1...d3!
    • 1.Qxf7+?
      • 1...Ke4
        • 2.Qe6#
      • 1...Ke5!
  • Keys
    • 1.Rb4!
      • threat
        • 2.Rbxd4#
      • 1...Kxc5
        • 2.Rb5#
      • 1...dxc5
        • 2.Bc4#
      • 1...d3
        • 2.Qxd6#

This is a version of 78713

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 3
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • B(B);N_PINP(c)
      • Threat
        • DUALS(2)
      • Vars
        • P(g);::QAR1(I),XP(f)
      • Refutation
        • P(f);XP(F)
    • Try
      • R(C);N_PINP(c),XP(b)
      • Threat
        • B(B)
      • Vars
        • P(c);OGATEB::R(E),XP(c)
      • Refutation
        • B(a);XR(C)
    • Try
      • R(C);N_PINP(c)
      • Threat
        • QAB(I),XP(h)
      • Vars
        • P(f);OGATE,XP(F)::QAR1(I),XP(f)
        • P(c);::QAB1(I)
      • Refutation
        • K(e);S_FLIGHT
    • Try
      • R(E);
      • Threat
        • B(B)
      • Vars
        • P(c);OGATEB::R(C),XP(c)
      • Refutation
        • B(a);
    • Try
      • R(E);
      • Threat
        • DUALS(3)
      • Vars
        • P(c);::QAB1(I)
      • Refutation
        • P(d);XR(E)
    • Try
      • R(E);
      • Threat
        • R(E)+P(F),XP(f)
      • Vars
        • P(f);OGATE,XP(F)::R1(E),XP(f)
      • Refutation
        • P(c);
    • Try
      • Q(I);CHECK,XP(h)
      • Vars
        • K(e);N_SPINP(c),S_FLIGHT::QAR2(I)
      • Refutation
        • K(e);N_SPINP(c),P-FLIGHT
  • Actual
    • R(E);
    • Threat
      • R1(E),XP(c)
    • Vars
      • K(e);N_SPINP(c),OGATEB,P-FLIGHT,P_SPINP(f),XP(F)::B(D)+R(E),DCHECK
      • P(f);XP(F)::B(B)
      • P(c);::QAR1(I),XP(f)
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