MESON Chess Problem Database

Problem Display
PID: 205341 (6B1/1b6/7r/3n1p2/P1k5/1rP1RK1p/Q1PpP3/6B1 w - - 0 1)

Klebes, Stefan

Badische Neueste Nachrichten, 1985

6B1/1b6/7r/3n1p2/P1k5/1rP1RK1p/Q1PpP3/6B1

#2

9 + 8

15148 Sadier Collection 2020

SOLUTION

  • SOUND
  • Tries
    • 1.Rd3?
      • threat
        • 2.Qxb3#
        • 2.cxb3#
      • 1...d1Q
        • 2.Qxb3#
      • 1...d1B
        • 2.Qxb3#
      • 1...Rb6!
    • 1.Re4+?
      • 1...Kxc3
        • 2.Qxb3#
      • 1...fxe4+!
    • 1.Re5?
      • threat
        • 2.Qxb3#
      • 1...Kxc3
        • 2.Qxb3#
      • 1...Rb6!
    • 1.Re7?
      • threat
        • 2.Qxb3#
      • 1...Kxc3
        • 2.Qxb3#
      • 1...Rb6!
    • 1.Re8?
      • threat
        • 2.Qxb3#
      • 1...Kxc3
        • 2.Qxb3#
      • 1...Rb6!
  • Keys
    • 1.Re6!
      • threat
        • 2.Qxb3#
      • 1...Sxc3+
        • 2.Re4#
      • 1...Se3+
        • 2.Rc6#
      • 1...Sb4+
        • 2.Rc6#
      • 1...Sf4+
        • 2.Rc6#
      • 1...Sb6+
        • 2.Rc6#
      • 1...Sf6+
        • 2.Rc6#
      • 1...Sc7+
        • 2.Rc6#
      • 1...Se7+
        • 2.Rc6#
      • 1...Kxc3
        • 2.Qxb3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 9
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • R(F);
      • Threat
        • DUALS(2)
      • Vars
        • P(a);P_PINP(D)::QAB1(B),XR(b)
      • Refutation
        • R(g);
    • Try
      • R(F);CHECK,P_SPINP(E)
      • Vars
        • K(d);N_SPINR(b),N_SPINS(e),P-FLIGHT,XP(E)::QAR1(B),XR(b)
      • Refutation
        • P(f);CHECK,XR(F)
    • Try
      • R(F);P_SPINP(E)
      • Threat
        • QAB1(B),XR(b)
      • Vars
        • K(d);N_SPINR(b),N_SPINS(e),P-FLIGHT,XP(E)::QAR1(B),XR(b)
      • Refutation
        • R(g);
    • Try
      • R(F);P_SPINP(E)
      • Threat
        • QAB1(B),XR(b)
      • Vars
        • K(d);N_SPINR(b),N_SPINS(e),P-FLIGHT,XP(E)::QAR1(B),XR(b)
      • Refutation
        • R(g);
    • Try
      • R(F);P_SPINP(E)
      • Threat
        • QAB1(B),XR(b)
      • Vars
        • K(d);N_SPINR(b),N_SPINS(e),P-FLIGHT,XP(E)::QAR1(B),XR(b)
      • Refutation
        • R(g);
  • Actual
    • R(F);N_PINS(e),P_SPINP(E)
    • Threat
      • QAB1(B),XR(b)
    • Vars
      • S(e);CHECK,SBLOCK,XP(E)::B(I)+R(F),DCHECK
      • S(e);CHECK,N_PINP(E)::B(I)+R(F),DCHECK
      • S(e);CHECK::B(I)+R(F),DCHECK
      • K(d);N_SPINR(b),P-FLIGHT,XP(E)::QAR1(B),XR(b)
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