MESON Chess Problem Database

Problem Display
PID: 87662 (5N2/1p6/1n6/1RqkB2K/BP6/R3QN2/b7/2rrn3 w - - 0 1)

Mladenovic, Miodrag

The Problemist, 1987

5N2/1p6/1n6/1RqkB2K/BP6/R3QN2/b7/2rrn3

#2

9 + 8

6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kc4
      • 2.Qxc5#
    • 1...Kc6
      • 2.Rxc5#
    • 1...Ra1
      • 2.Rxc5#
    • 1...Rb1
      • 2.Rxc5#
    • 1...Bc4
      • 2.Rxc5#
    • 1...Sc2
      • 2.Rxc5#
    • 1...Sc4
      • 2.Rxc5#
  • Tries
    • 1.Bh2?
      • threat
        • 2.Qe6#
      • 1...Kc4+
        • 2.Qxc5#
      • 1...Kc6+
        • 2.Rxc5#
      • 1...Sxf3!
    • 1.Bg3?
      • threat
        • 2.Qe6#
      • 1...Kc4+
        • 2.Qxc5#
      • 1...Kc6+
        • 2.Rxc5#
      • 1...Sxf3!
    • 1.Bf4?
      • threat
        • 2.Qe6#
      • 1...Kc4+
        • 2.Qxc5#
      • 1...Kc6+
        • 2.Rxc5#
      • 1...Sxf3!
    • 1.Bc7?
      • threat
        • 2.Qe6#
      • 1...Kc4+
        • 2.Qxc5#
      • 1...Kc6+
        • 2.Rxc5#
      • 1...Sxf3!
    • 1.Bb8?
      • threat
        • 2.Qe6#
      • 1...Kc4+
        • 2.Qxc5#
      • 1...Kc6+
        • 2.Rxc5#
      • 1...Sxf3!
    • 1.Qd4+?
      • 1...Kc6
        • 2.Rxc5#
      • 1...Rxd4!
  • Keys
    • 1.Bc3!
      • threat
        • 2.Qe6#
      • 1...Kc4+
        • 2.Rxc5#
      • 1...Kc6+
        • 2.Qxc5#
      • 1...Kd6+
        • 2.Qxc5#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 1
    • REMOVED MATES = 5
  • Sets
    • K(f);N_SPINQ(e),P_PINB(G),S_FLIGHT::QAR1(B),XQ(e)
    • K(f);N_SPINQ(e),P_PINB(G),S_FLIGHT::B(D)+R(F),DCHECK,XQ(e)
    • R(a);N_GUARD::R1(F),XQ(e)
    • B(d);S_CUTR(a)::R1(F),XQ(e)
    • S(c);S_CUTR(a)::R1(F),XQ(e)
    • S(g);S_CUTR(a)::R1(F),XQ(e)
  • Tries
    • Try
      • B(G);
      • Threat
        • QAB1(B)
      • Vars
        • K(f);CHECK,N_SPINQ(e),S_FLIGHT::QAR1(B),XQ(e)
        • K(f);CHECK,N_SPINQ(e),S_FLIGHT::B(D)+R(F),DCHECK,XQ(e)
      • Refutation
        • S(c);XS(C)
    • Try
      • B(G);
      • Threat
        • QAB1(B)
      • Vars
        • K(f);CHECK,N_SPINQ(e),S_FLIGHT::QAR1(B),XQ(e)
        • K(f);CHECK,N_SPINQ(e),S_FLIGHT::B(D)+R(F),DCHECK,XQ(e)
      • Refutation
        • S(c);XS(C)
    • Try
      • B(G);
      • Threat
        • QAB1(B)
      • Vars
        • K(f);CHECK,N_SPINQ(e),S_FLIGHT::QAR1(B),XQ(e)
        • K(f);CHECK,N_SPINQ(e),S_FLIGHT::B(D)+R(F),DCHECK,XQ(e)
      • Refutation
        • S(c);XS(C)
    • Try
      • B(G);
      • Threat
        • QAB1(B)
      • Vars
        • K(f);CHECK,N_SPINQ(e),S_FLIGHT::QAR1(B),XQ(e)
        • K(f);CHECK,N_SPINQ(e),S_FLIGHT::B(D)+R(F),DCHECK,XQ(e)
      • Refutation
        • S(c);XS(C)
    • Try
      • B(G);
      • Threat
        • QAB1(B)
      • Vars
        • K(f);CHECK,N_SPINQ(e),S_FLIGHT::QAR1(B),XQ(e)
        • K(f);CHECK,N_SPINQ(e),S_FLIGHT::B(D)+R(F),DCHECK,XQ(e)
      • Refutation
        • S(c);XS(C)
    • Try
      • Q(B);CHECK
      • Vars
        • K(f);N_SPINQ(e),P_PINB(G),S_FLIGHT::B(D)+R(F),DCHECK,XQ(e)
      • Refutation
        • R(b);XQ(B)
  • Actual
    • B(G);
    • Threat
      • QAB1(B)
    • Vars
      • K(f);CHECK,N_SPINQ(e),S_FLIGHT::R1(F),XQ(e)
      • K(f);CHECK,N_SPINQ(e),S_FLIGHT::QAR1(B),XQ(e)
      • K(f);CHECK,N_SPINQ(e),P-FLIGHT::QAB1(B),XQ(e)
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