MESON Chess Problem Database

Problem Display
PID: 225644 (4B3/5r2/4p2P/nR6/1KN1k1p1/2P3bq/2PBPn2/7N w - - 0 1)

Novomesky, Daniel

Praca, 1997

4B3/5r2/4p2P/nR6/1KN1k1p1/2P3bq/2PBPn2/7N

#2

10 + 8

6490 yacpdb 2020

SOLUTION

  • SOUND
  • Sets
    • 1...Qf1
      • 2.Sxg3#
    • 1...Qh5
      • 2.Sxg3#
    • 1...Qxh6
      • 2.Sxg3#
    • 1...Rf4
      • 2.Sd6#
      • 2.Re5#
    • 1...Ra7
      • 2.Bg6#
    • 1...Rb7
      • 2.Bg6#
    • 1...Rc7
      • 2.Bg6#
    • 1...Rd7
      • 2.Bg6#
    • 1...Re7
      • 2.Bg6#
    • 1...Rh7
      • 2.Bg6#
    • 1...Bf4
      • 2.Sxf2#
    • 1...Bh4
      • 2.Sd6#
      • 2.Re5#
    • 1...Be5
      • 2.Rxe5#
    • 1...Bd6+
      • 2.Sxd6#
    • 1...Sd3+
      • 2.cxd3#
    • 1...Sb3
      • 2.Bc6#
    • 1...Sxc4
      • 2.Bc6#
    • 1...Sc6+
      • 2.Bxc6#
    • 1...Sb7
      • 2.Bc6#
    • 1...e5
      • 2.Sd6#
  • Tries
    • 1.Sxf2+?
      • 1...Bxf2
        • 2.Sd6#
        • 2.Re5#
      • 1...Rxf2!
    • 1.Bxf7?
      • threat
        • 2.Bg6#
      • 1...Bd6+
        • 2.Sxd6#
      • 1...Sd3+
        • 2.cxd3#
      • 1...Qxh6
        • 2.Sxg3#
      • 1...Qh5
        • 2.Sxg3#
      • 1...Sc6+!
  • Keys
    • 1.Bg5!
      • threat
        • 2.Sd2#
      • 1...Bd6+
        • 2.Sxd6#
      • 1...Sd3+
        • 2.cxd3#
      • 1...Sc6+
        • 2.Bxc6#
      • 1...Sxc4
        • 2.Bc6#
      • 1...Be5
        • 2.Rxe5#
      • 1...e5
        • 2.Sd6#
      • 1...Rf4
        • 2.Re5#
      • 1...Rd7
        • 2.Bg6#
      • 1...Bf4
        • 2.Sxf2#
      • 1...Sb3
        • 2.Bc6#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 1
    • REMOVED MATES = 9
  • Sets
    • Q(c);N_GUARD::S(A),XB(b)
    • Q(c);N_GUARD,XP(I)::S(A),XB(b)
    • R(h);OGATE::B(J)
    • R(h);OGATE,P_PINR(H)::B(J)
    • B(b);N_GUARD,S_CUTR(h)::S(A),XS(a)
    • B(b);N_GUARD::R1(H),XB(b)
    • B(b);CHECK,N_GUARD::S(G),XB(b)
    • S(a);CHECK,OGATE::P(B),XS(a)
    • S(f);N_GUARD::B(J)
    • S(f);N_GUARD,XS(G)::B(J)
    • S(f);CHECK,N_GUARD::B(J),XS(f)
    • P(g);S_CUTB(b)::S(G)
  • Tries
    • Try
      • S(A);CHECK,XS(a)
      • Refutation
        • R(h);XS(A)
    • Try
      • B(J);XR(h)
      • Threat
        • B(J)
      • Vars
        • B(b);CHECK,N_GUARD::S(G),XB(b)
        • S(a);CHECK,OGATE::P(B),XS(a)
        • Q(c);N_GUARD,XP(I)::S(A),XB(b)
        • Q(c);N_GUARD::S(A),XB(b)
      • Refutation
        • S(f);CHECK
  • Actual
    • B(C);
    • Threat
      • S(G)
    • Vars
      • B(b);CHECK,N_GUARD::S(G),XB(b)
      • S(a);CHECK,OGATE::P(B),XS(a)
      • S(f);CHECK,N_GUARD::B(J),XS(f)
      • S(f);N_GUARD,XS(G)::B(J)
      • B(b);N_GUARD::R1(H),XB(b)
      • P(g);S_CUTB(b)::S(G)
      • R(h);S_CUTB(b)::R1(H)
      • R(h);OGATE::B(J)
      • B(b);N_GUARD,S_CUTR(h)::S(A),XS(a)
      • S(f);N_GUARD::B(J)
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