MESON Chess Problem Database

Problem Display
PID: 137050 (4q3/8/5Bp1/r2PNBPp/1PR1K2k/3QRPpp/5bb1/3r4 w - - 0 1)

Kapros, Jorge Marcelo

3rd HM., Keystip Ty, 1980

4q3/8/5Bp1/r2PNBPp/1PR1K2k/3QRPpp/5bb1/3r4

#2

11 + 10

6490 yacpdb 2010

SOLUTION

  • SOUND
  • Sets
    • 1...Qa4
      • 2.Sxg6#
    • 1...Qb5
      • 2.Sxg6#
    • 1...Qc6
      • 2.Sxg6#
    • 1...Qd7
      • 2.Sxg6#
    • 1...Qxe5+
      • 2.Kxe5#
    • 1...Qa8
      • 2.Sxg6#
    • 1...Qb8
      • 2.Sxg6#
    • 1...Qc8
      • 2.Sxg6#
    • 1...Qd8
      • 2.Sxg6#
    • 1...Qf8
      • 2.Sxg6#
    • 1...Qh8
      • 2.Sxg6#
    • 1...Rxd3
      • 2.Kxd3#
    • 1...Rxd5
      • 2.Kxd5#
    • 1...Bxe3
      • 2.Kxe3#
    • 1...Bxf3+
      • 2.Kxf3#
    • 1...gxf5+
      • 2.Kxf5#
  • Keys
    • 1.Kd4!
      • threat
        • 2.Kc3#
      • 1...Qxe5+
        • 2.Kxe5#
      • 1...Rxd3+
        • 2.Kxd3#
      • 1...Rxd5+
        • 2.Kxd5#
      • 1...Bxe3+
        • 2.Kxe3#
      • 1...Bxf3
        • 2.Sxf3#
      • 1...gxf5
        • 2.g6#
      • 1...Qb5
        • 2.Sxg6#
      • 1...Qc6
        • 2.Sxg6#
      • 1...Qc8
        • 2.Sxg6#
      • 1...Rc1
        • 2.Qe4#
      • 1...Ra3
        • 2.Kc5#
      • 1...Rc5
        • 2.Kxc5#
      • 1...Be1
        • 2.Re4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 2
    • ADDED MATES = 4
    • REMOVED MATES = 7
  • Sets
    • Q(j);N_PINS(H),SBLOCK::S(H),XP(i)
    • Q(j);N_PINS(H)::S(H),XP(i)
    • Q(j);CHECK,XS(H)::R(E)+K(F),XQ(j)
    • R(a);XQ(A)::R(E)+K(F),XR(a)
    • R(g);XP(G)::R(E)+K(F),XR(g)
    • B(b);XR(B)::R(E)+K(F),XB(b)
    • B(c);CHECK,XP(C)::R(E)+K(F),XB(c)
    • P(i);CHECK,XB(I)::R(E)+K(F),XP(i)
  • Actual
    • K(F);N_SPINP(C),N_SPINS(H),P-FLIGHT,P_SPINQ(A),P_SPINR(B)
    • Threat
      • R(E)+K(F)
    • Vars
      • Q(j);CHECK,XS(H)::R(E)+K(F),XQ(j)
      • R(a);CHECK,XQ(A)::R(E)+K(F),XR(a)
      • R(g);CHECK,XP(G)::R(E)+K(F),XR(g)
      • B(b);CHECK,XR(B)::R(E)+K(F),XB(b)
      • B(c);XP(C)::S(H),XB(c)
      • P(i);OGATE,XB(I)::B(K)+P(J)
      • Q(j);N_GUARD::S(H),XP(i)
      • R(a);N_PINQ(A)::QAR(A)
      • R(g);::R(E)+K(F)
      • R(g);::R(E)+K(F),XR(g)
      • B(b);N_PINR(B)::R(B)
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