MESON Chess Problem Database
Problem Display
PID: 156603 (q3k1K1/1bPpB1p1/1r1p2pb/3P1N2/1n2BP1n/6pr/pp5p/4R3 w - - 0 1)
Juricek, Stanislav
Best Problems, 2006
#2
8 + 16
SOLUTION
- SOUND
- Sets
- 1...Qd8
- 2.cxd8Q#
- 2.cxd8R#
- 1...Qd8
- Tries
- 1.Bxh4?
- threat
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 1...Bxd5+
- 2.Bxd5#
- 1...Bxf4
- 2.Sxg7#
- 1...Sxd5
- 2.Bxd5#
- 1...a1Q
- 2.Bb1#
- 1...a1R
- 2.Bb1#
- 1...b1Q
- 2.Bxb1#
- 1...b1S
- 2.Bxb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 1...b1B
- 2.Bxb1#
- 2.Bc2#
- 2.Bd3#
- 1...b1R
- 2.Bxb1#
- 1...h1Q
- 2.Bxh1#
- 1...h1S
- 2.Bb1#
- 2.Bxh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 1...h1B
- 2.Bxh1#
- 2.Bg2#
- 2.Bf3#
- 1...h1R
- 2.Bxh1#
- 1...Qa3
- 2.Bd3#
- 1...Qa6
- 2.Bd3#
- 1...Qd8
- 2.cxd8Q#
- 2.cxd8R#
- 1...Ba6
- 2.Bd3#
- 1...Sc2
- 2.Bxc2#
- 1...Sd3
- 2.Bxd3#
- 1...Sc6
- 2.Sxd6#
- 1...g2
- 2.Bf3#
- 1...Bg5!
- threat
- 1.Bg5?
- threat
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 1...Bxd5+
- 2.Bxd5#
- 1...Sxd5
- 2.Bxd5#
- 1...Sxf5
- 2.Bxf5#
- 1...a1Q
- 2.Bb1#
- 1...a1R
- 2.Bb1#
- 1...b1Q
- 2.Bxb1#
- 1...b1S
- 2.Bxb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 1...b1B
- 2.Bxb1#
- 2.Bc2#
- 2.Bd3#
- 1...b1R
- 2.Bxb1#
- 1...h1Q
- 2.Bxh1#
- 1...h1S
- 2.Bb1#
- 2.Bxh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 1...h1B
- 2.Bxh1#
- 2.Bg2#
- 2.Bf3#
- 1...h1R
- 2.Bxh1#
- 1...Qa3
- 2.Bd3#
- 1...Qa6
- 2.Bd3#
- 1...Qd8
- 2.cxd8Q#
- 2.cxd8R#
- 1...Ba6
- 2.Bd3#
- 1...Sc2
- 2.Bxc2#
- 1...Sd3
- 2.Bxd3#
- 1...Sc6
- 2.Sxd6#
- 1...Sg2
- 2.Bxg2#
- 1...Sf3
- 2.Bxf3#
- 1...g2
- 2.Bf3#
- 1...Bxg5!
- threat
- 1.Bd8?
- threat
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 1...Bxd5+
- 2.Bxd5#
- 1...Bxf4
- 2.Sxg7#
- 1...Sxd5
- 2.Bxd5#
- 1...Sxf5
- 2.Bxf5#
- 1...a1Q
- 2.Bb1#
- 1...a1R
- 2.Bb1#
- 1...b1Q
- 2.Bxb1#
- 1...b1S
- 2.Bxb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 1...b1B
- 2.Bxb1#
- 2.Bc2#
- 2.Bd3#
- 1...b1R
- 2.Bxb1#
- 1...h1Q
- 2.Bxh1#
- 1...h1S
- 2.Bb1#
- 2.Bxh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 1...h1B
- 2.Bxh1#
- 2.Bg2#
- 2.Bf3#
- 1...h1R
- 2.Bxh1#
- 1...Qa3
- 2.Bd3#
- 1...Qa6
- 2.Bd3#
- 1...Bg5
- 2.Sxg7#
- 1...Ba6
- 2.Bd3#
- 1...Sc2
- 2.Bxc2#
- 1...Sd3
- 2.Bxd3#
- 1...Sc6
- 2.Sxd6#
- 1...Sg2
- 2.Bxg2#
- 1...Sf3
- 2.Bxf3#
- 1...g2
- 2.Bf3#
- 1...Qxd8!
- threat
- 1.Bf8?
- threat
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 1...Bxd5+
- 2.Bxd5#
- 1...Bxf4
- 2.Sxg7#
- 1...Sxd5
- 2.Bxd5#
- 1...Sxf5
- 2.Bxf5#
- 1...a1Q
- 2.Bb1#
- 1...a1R
- 2.Bb1#
- 1...b1Q
- 2.Bxb1#
- 1...b1S
- 2.Bxb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 1...b1B
- 2.Bxb1#
- 2.Bc2#
- 2.Bd3#
- 1...b1R
- 2.Bxb1#
- 1...h1Q
- 2.Bxh1#
- 1...h1S
- 2.Bb1#
- 2.Bxh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 1...h1B
- 2.Bxh1#
- 2.Bg2#
- 2.Bf3#
- 1...h1R
- 2.Bxh1#
- 1...Qa3
- 2.Bd3#
- 1...Qa6
- 2.Bd3#
- 1...Bg5
- 2.Sxg7#
- 1...Ba6
- 2.Bd3#
- 1...Sc2
- 2.Bxc2#
- 1...Sd3
- 2.Bxd3#
- 1...Sc6
- 2.Sxd6#
- 1...Sg2
- 2.Bxg2#
- 1...Sf3
- 2.Bxf3#
- 1...g2
- 2.Bf3#
- 1...Qd8!
- threat
- 1.Bxh4?
- Keys
- 1.Bf6!
- threat
- 2.Bb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 1...Bxd5+
- 2.Bxd5#
- 1...Bxf4
- 2.Sxg7#
- 1...Sxd5
- 2.Bxd5#
- 1...Sxf5
- 2.Bxf5#
- 1...a1Q
- 2.Bb1#
- 1...a1R
- 2.Bb1#
- 1...b1Q
- 2.Bxb1#
- 1...b1S
- 2.Bxb1#
- 2.Bh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 1...b1B
- 2.Bxb1#
- 2.Bc2#
- 2.Bd3#
- 1...b1R
- 2.Bxb1#
- 1...h1Q
- 2.Bxh1#
- 1...h1S
- 2.Bb1#
- 2.Bxh1#
- 2.Bc2#
- 2.Bg2#
- 2.Bd3#
- 2.Bf3#
- 1...h1B
- 2.Bxh1#
- 2.Bg2#
- 2.Bf3#
- 1...h1R
- 2.Bxh1#
- 1...Qa3
- 2.Bd3#
- 1...Qa6
- 2.Bd3#
- 1...Qd8
- 2.cxd8Q#
- 2.cxd8R#
- 1...Ba6
- 2.Bd3#
- 1...Sc2
- 2.Bxc2#
- 1...Sd3
- 2.Bxd3#
- 1...Sc6
- 2.Sxd6#
- 1...Sg2
- 2.Bxg2#
- 1...Sf3
- 2.Bxf3#
- 1...g2
- 2.Bf3#
- threat
- 1.Bf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 19
- REMOVED MATES = 0
- Sets
- Q(o);OGATE::PXQ(o)=Q
- Tries
- Try
- B(G);XS(g)
- Threat
- DUALS(6)
- Vars
- B(l);CHECK,OGATE,XP(D)::R(A)+B(B),XB(l)
- B(k);N_GUARD,XP(C)::S(E),XP(n)
- S(f);OGATE,XP(D)::R(A)+B(B),XS(f)
- P(a);::R(A)+B(B)
- P(b);::R(A)+B(B),XQ(b)
- P(b);::R(A)+B(B),XR(b)
- P(c);::R(A)+B(B),XQ(c)
- P(c);::R(A)+B(B),XR(c)
- Q(o);::R(A)+B(B)
- Q(o);OGATE::PXQ(o)=Q
- B(l);::R(A)+B(B)
- S(f);::R(A)+B(B),XS(f)
- S(f);S_CUTR(h)::S(E),XP(i)
- P(d);::R(A)+B(B)
- Refutation
- B(k);
- Try
- B(G);
- Threat
- DUALS(6)
- Vars
- B(l);CHECK,OGATE,XP(D)::R(A)+B(B),XB(l)
- S(f);OGATE,XP(D)::R(A)+B(B),XS(f)
- S(g);OGATE,XS(E)::R(A)+B(B),XS(g)
- P(a);::R(A)+B(B)
- P(b);::R(A)+B(B),XQ(b)
- P(b);::R(A)+B(B),XR(b)
- P(c);::R(A)+B(B),XQ(c)
- P(c);::R(A)+B(B),XR(c)
- Q(o);::R(A)+B(B)
- Q(o);OGATE::PXQ(o)=Q
- B(l);::R(A)+B(B)
- S(f);::R(A)+B(B),XS(f)
- S(f);S_CUTR(h)::S(E),XP(i)
- S(g);::R(A)+B(B),XS(g)
- P(d);::R(A)+B(B)
- Refutation
- B(k);XB(G)
- Try
- B(G);
- Threat
- DUALS(6)
- Vars
- B(l);CHECK,OGATE,XP(D)::R(A)+B(B),XB(l)
- B(k);N_GUARD,XP(C)::S(E),XP(n)
- S(f);OGATE,XP(D)::R(A)+B(B),XS(f)
- S(g);OGATE,XS(E)::R(A)+B(B),XS(g)
- P(a);::R(A)+B(B)
- P(b);::R(A)+B(B),XQ(b)
- P(b);::R(A)+B(B),XR(b)
- P(c);::R(A)+B(B),XQ(c)
- P(c);::R(A)+B(B),XR(c)
- Q(o);::R(A)+B(B)
- B(k);N_GUARD::S(E),XP(n)
- B(l);::R(A)+B(B)
- S(f);::R(A)+B(B),XS(f)
- S(f);S_CUTR(h)::S(E),XP(i)
- S(g);::R(A)+B(B),XS(g)
- P(d);::R(A)+B(B)
- Refutation
- Q(o);XB(G)
- Try
- B(G);
- Threat
- DUALS(6)
- Vars
- B(l);CHECK,OGATE,XP(D)::R(A)+B(B),XB(l)
- B(k);N_GUARD,XP(C)::S(E),XP(n)
- S(f);OGATE,XP(D)::R(A)+B(B),XS(f)
- S(g);OGATE,XS(E)::R(A)+B(B),XS(g)
- P(a);::R(A)+B(B)
- P(b);::R(A)+B(B),XQ(b)
- P(b);::R(A)+B(B),XR(b)
- P(c);::R(A)+B(B),XQ(c)
- P(c);::R(A)+B(B),XR(c)
- Q(o);::R(A)+B(B)
- B(k);N_GUARD::S(E),XP(n)
- B(l);::R(A)+B(B)
- S(f);::R(A)+B(B),XS(f)
- S(f);S_CUTR(h)::S(E),XP(i)
- S(g);::R(A)+B(B),XS(g)
- P(d);::R(A)+B(B)
- Refutation
- Q(o);
- Try
- Actual
- B(G);
- Threat
- DUALS(6)
- Vars
- B(l);CHECK,OGATE,XP(D)::R(A)+B(B),XB(l)
- B(k);N_GUARD,XP(C)::S(E),XP(n)
- S(f);OGATE,XP(D)::R(A)+B(B),XS(f)
- S(g);OGATE,XS(E)::R(A)+B(B),XS(g)
- P(a);::R(A)+B(B)
- P(b);::R(A)+B(B),XQ(b)
- P(b);::R(A)+B(B),XR(b)
- P(c);::R(A)+B(B),XQ(c)
- P(c);::R(A)+B(B),XR(c)
- Q(o);::R(A)+B(B)
- Q(o);OGATE::PXQ(o)=Q
- B(l);::R(A)+B(B)
- S(f);::R(A)+B(B),XS(f)
- S(f);S_CUTR(h)::S(E),XP(i)
- S(g);::R(A)+B(B),XS(g)
- P(d);::R(A)+B(B)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).