MESON Chess Problem Database
Problem Display
PID: 107598 (n4k1N/2P2P1R/2BK2p1/4P3/1BPP4/1pr1b2b/8/5Rrq w - - 0 1)
Armeni, Alberto
Scacco!, 1993
#2
11 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qd5+
- 2.Kxd5#
- 1...Qxc6+
- 2.Kxc6#
- 1...Qh2
- 2.Kd5#
- 1...Rxf1
- 2.Sxg6#
- 1...Rg2
- 2.Kd5#
- 1...Rg4
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Bg5
- 2.Sxg6#
- 1...Bxf1
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Bg2
- 2.Ke6#
- 2.Kd7#
- 2.Sxg6#
- 2.c8Q#
- 2.c8R#
- 1...Bg4
- 2.Sxg6#
- 1...Be6
- 2.Kxe6#
- 1...Bd7
- 2.Kxd7#
- 1...Sxc7
- 2.Kxc7#
- 1...g5
- 2.Sg6#
- 1...Qd5+
- Tries
- 1.Bg2?
- threat
- 2.Kd5#
- 2.Kc6#
- 2.Sxg6#
- 1...Rxg2
- 2.Kd5#
- 2.Kc6#
- 1...Rxc4
- 2.Sxg6#
- 1...Bxd4
- 2.Sxg6#
- 1...Bxg2
- 2.Ke6#
- 2.Kd7#
- 2.Sxg6#
- 2.c8Q#
- 2.c8R#
- 1...Sxc7
- 2.Kc6#
- 2.Kxc7#
- 2.Sxg6#
- 1...Bg5
- 2.Sxg6#
- 1...Bf5
- 2.Kd5#
- 2.Kc6#
- 1...Be6
- 2.Kc6#
- 2.Kxe6#
- 2.Sxg6#
- 1...Bd7
- 2.Kd5#
- 2.Kxd7#
- 2.Sxg6#
- 1...Sb6
- 2.Kc6#
- 2.Sxg6#
- 1...g5
- 2.Kd5#
- 2.Kc6#
- 2.Sg6#
- 1...Qxg2!
- threat
- 1.Rf5?
- threat
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Qd5+
- 2.Kxd5#
- 1...Qxc6+
- 2.Kxc6#
- 1...Sxc7
- 2.Kxc7#
- 2.Kd7#
- 1...gxf5
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Qg2
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Qf3
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Qe4
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Qh2
- 2.Kd5#
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Ra1
- 2.Ke6#
- 2.Kd7#
- 2.Sxg6#
- 2.c8Q#
- 2.c8R#
- 1...Rb1
- 2.Ke6#
- 2.Kd7#
- 2.Sxg6#
- 2.c8Q#
- 2.c8R#
- 1...Rgc1
- 2.Ke6#
- 2.Kd7#
- 2.Sxg6#
- 2.c8Q#
- 2.c8R#
- 1...Rd1
- 2.Ke6#
- 2.Kd7#
- 2.Sxg6#
- 2.c8Q#
- 2.c8R#
- 1...Re1
- 2.Ke6#
- 2.Kd7#
- 2.Sxg6#
- 2.c8Q#
- 2.c8R#
- 1...Rf1
- 2.Ke6#
- 2.Kd7#
- 2.Sxg6#
- 2.c8Q#
- 2.c8R#
- 1...Rg2
- 2.Kd5#
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Rg3
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Rg4
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Rg5
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Rcc1
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Rc2
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Rd3
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Bc1
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Bd2
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Bf2
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Bf4
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Bg5
- 2.Sxg6#
- 1...Bh6
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Bf1
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...Bg2
- 2.Ke6#
- 2.Kd7#
- 2.Sxg6#
- 2.c8Q#
- 2.c8R#
- 1...Bg4
- 2.Ke6#
- 2.Kd7#
- 2.Sxg6#
- 2.c8Q#
- 2.c8R#
- 1...Sb6
- 2.Ke6#
- 1...b2
- 2.Ke6#
- 2.Kd7#
- 2.c8Q#
- 2.c8R#
- 1...g5
- 2.Ke6#
- 2.Kd7#
- 2.Sg6#
- 2.c8Q#
- 2.c8R#
- 1...Bxf5!
- threat
- 1.Bg2?
- Keys
- 1.Kc5!
- threat
- 2.Kb5#
- 1...Qd5+
- 2.Kxd5#
- 1...Qxc6+
- 2.Kxc6#
- 1...Rxc4+
- 2.Kxc4#
- 1...Bxd4+
- 2.Kxd4#
- 1...Ke7
- 2.f8S#
- 1...Sxc7
- 2.Kb6#
- 1...Bg5
- 2.Sxg6#
- threat
- 1.Kc5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 7
- Sets
- Q(b);CHECK::B(B)+K(G),XQ(b)
- Q(b);CHECK,XB(F)::B(B)+K(G),XQ(b)
- Q(b);P_PINP(E)::B(B)+K(G)
- R(a);N_GUARD,XR(A)::S(K),XP(g)
- R(a);::B(B)+K(G)
- B(e);S_CUTR(a)::S(K),XP(g)
- B(f);S_CUTR(a)::S(K),XP(g)
- B(f);::B(B)+K(G),XB(f)
- S(h);XP(H)::B(B)+K(G),XS(h)
- P(g);S_CUTR(a)::S(K)
- Tries
- Try
- B(F);
- Threat
- DUALS(3)
- Vars
- R(d);XP(C)::S(K),XP(g)
- B(e);XP(D)::S(K),XP(g)
- B(e);::S(K),XP(g)
- Refutation
- Q(b);XB(F)
- Try
- R(A);
- Threat
- DUALS(4)
- Vars
- Q(b);CHECK::B(B)+K(G),XQ(b)
- Q(b);CHECK,XB(F)::B(B)+K(G),XQ(b)
- B(e);S_CUTR(a)::S(K),XP(g)
- S(h);::B(B)+K(G)
- Refutation
- B(f);XR(A)
- Try
- Actual
- K(G);P_SPINP(C),S_FLIGHT
- Threat
- B(B)+K(G)
- Vars
- Q(b);CHECK::B(B)+K(G),XQ(b)
- Q(b);CHECK,XB(F)::B(B)+K(G),XQ(b)
- R(d);CHECK,P_PINP(D),XP(C)::B(B)+K(G),XR(d)
- B(e);CHECK,XP(D)::B(B)+K(G),XB(e)
- K(i);OGATE,S_FLIGHT::P=S
- S(h);XP(H)::B(B)+K(G)
- B(e);S_CUTR(a)::S(K),XP(g)
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).