MESON Chess Problem Database
Problem Display
PID: 110843 (2n3B1/2P1p2Q/1Rp4n/2PNBpP1/1pp1k3/2pNP3/2P2K2/6R1 w - - 0 1)
Pituk, Alexander
Sachove umeni (Ceskoslovensky sach), 1983
#2
13 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Sg4+
- 2.Rxg4#
- 1...Sf7
- 2.Qh1#
- 1...Sxg8
- 2.Qh1#
- 1...b3
- 2.Sxc3#
- 1...e6
- 2.Sf6#
- 1...Sg4+
- Tries
- 1.Bxc3?
- 1...Sg4+
- 2.Rxg4#
- 1...Sxg8
- 2.Qh1#
- 1...Sxb6
- 2.Qxe7#
- 1...bxc3
- 2.Sxc3#
- 1...cxd3
- 2.Rxb4#
- 1...cxd5
- 2.Re6#
- 1...Sf7
- 2.Qh1#
- 1...e6
- 2.Sf6#
- 1...Sd6
- 2.Qxe7#
- 1...Sa7
- 2.Qxe7#
- 1...e5
- 2.Sf6#
- 1...b3!
- 1...Sg4+
- 1.Bg3?
- 1...Sxg8
- 2.Qh1#
- 1...Sxb6
- 2.Qxe7#
- 1...cxd3
- 2.Rxb4#
- 1...cxd5
- 2.Re6#
- 1...Sf7
- 2.Qh1#
- 1...e6
- 2.Sf6#
- 1...Sd6
- 2.Qxe7#
- 1...Sa7
- 2.Qxe7#
- 1...b3
- 2.Sxc3#
- 1...e5
- 2.Sf6#
- 1...Sg4+!
- 1...Sxg8
- 1.Bd4?
- 1...Sg4+
- 2.Rxg4#
- 1...Sxg8
- 2.Qh1#
- 1...Sxb6
- 2.Qxe7#
- 1...cxd5
- 2.Re6#
- 1...Sf7
- 2.Qh1#
- 1...e6
- 2.Sf6#
- 1...Sd6
- 2.Qxe7#
- 1...Sa7
- 2.Qxe7#
- 1...b3
- 2.Sxc3#
- 1...e5
- 2.Sf6#
- 1...cxd3!
- 1...Sg4+
- 1.Bf4?
- 1...Sxg8
- 2.Qh1#
- 1...Sxb6
- 2.Qxe7#
- 1...cxd3
- 2.Rxb4#
- 1...cxd5
- 2.Re6#
- 1...Sf7
- 2.Qh1#
- 1...e6
- 2.Sf6#
- 1...Sd6
- 2.Qxe7#
- 1...Sa7
- 2.Qxe7#
- 1...b3
- 2.Sxc3#
- 1...e5
- 2.Sf6#
- 1...Sg4+!
- 1...Sxg8
- 1.Bd6?
- 1...Sg4+
- 2.Rxg4#
- 1...Sxg8
- 2.Qh1#
- 1...Sxb6
- 2.Qxe7#
- 1...Sxd6
- 2.Qxe7#
- 1...cxd3
- 2.Rxb4#
- 1...exd6
- 2.Sf6#
- 1...Sf7
- 2.Qh1#
- 1...e6
- 2.Sf6#
- 1...Sa7
- 2.Qxe7#
- 1...b3
- 2.Sxc3#
- 1...e5
- 2.Sf6#
- 1...cxd5!
- 1...Sg4+
- 1.Rxb4?
- threat
- 2.Sxc3#
- 2.Rxc4#
- 1...Sg4+
- 2.Rxg4#
- 1...Sxg8
- 2.Sxc3#
- 2.Qh1#
- 1...Sf7
- 2.Sxc3#
- 2.Qh1#
- 1...e6
- 2.Sxc3#
- 2.Sf6#
- 1...Sb6
- 2.Sxc3#
- 1...Sd6
- 2.Sxc3#
- 1...cxd5!
- threat
- 1.Qxf5+?
- 1...Sxf5
- 2.Rg4#
- 1...Kxf5!
- 1...Sxf5
- 1.Qxh6?
- threat
- 2.Qh1#
- 1...f4
- 2.Qg6#
- 2.Qh7#
- 1...cxd3!
- threat
- 1.gxh6?
- threat
- 2.Rg4#
- 1...e6
- 2.Sf6#
- 1...cxd3!
- threat
- 1.Bxc3?
- Keys
- 1.Bh8!
- 1...Sg4+
- 2.Rxg4#
- 1...Sxg8
- 2.Qh1#
- 1...Sxb6
- 2.Qxe7#
- 1...cxd3
- 2.Rxb4#
- 1...cxd5
- 2.Re6#
- 1...Sf7
- 2.Qh1#
- 1...e6
- 2.Sf6#
- 1...Sd6
- 2.Qxe7#
- 1...Sa7
- 2.Qxe7#
- 1...b3
- 2.Sxc3#
- 1...e5
- 2.Sf6#
- 1...Sg4+
- 1.Bh8!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 0
- Sets
- S(g);CHECK,N_GUARD::R(A),XS(g)
- S(g);OGATE::QAB(L)
- S(g);OGATE,XB(M)::QAB(L)
- P(b);N_GUARD::S(G),XP(a)
- P(h);N_GUARD::S(G)
- Tries
- Try
- B(H);XP(a)
- Vars
- S(g);CHECK,N_GUARD::R(A),XS(g)
- S(g);OGATE,XB(M)::QAB(L)
- S(i);N_GUARD,XR(J)::QAR(L),XP(h)
- P(b);XB(H)::S(G),XP(b)
- P(c);OGATEB,XS(D)::R(J),XP(b)
- P(f);OGATE,SBLOCK,XS(G)::R(J)
- S(g);OGATE::QAB(L)
- P(h);N_GUARD::S(G)
- S(i);N_GUARD::QAR(L),XP(h)
- Refutation
- P(b);
- Try
- B(H);
- Vars
- S(g);OGATE,XB(M)::QAB(L)
- S(i);N_GUARD,XR(J)::QAR(L),XP(h)
- P(c);OGATEB,XS(D)::R(J),XP(b)
- P(f);OGATE,SBLOCK,XS(G)::R(J)
- S(g);OGATE::QAB(L)
- P(h);N_GUARD::S(G)
- S(i);N_GUARD::QAR(L),XP(h)
- P(b);N_GUARD::S(G),XP(a)
- Refutation
- S(g);CHECK
- Try
- B(H);
- Vars
- S(g);CHECK,N_GUARD::R(A),XS(g)
- S(g);OGATE,XB(M)::QAB(L)
- S(i);N_GUARD,XR(J)::QAR(L),XP(h)
- P(f);OGATE,SBLOCK,XS(G)::R(J)
- S(g);OGATE::QAB(L)
- P(h);N_GUARD::S(G)
- S(i);N_GUARD::QAR(L),XP(h)
- P(b);N_GUARD::S(G),XP(a)
- Refutation
- P(c);XS(D)
- Try
- B(H);
- Vars
- S(g);OGATE,XB(M)::QAB(L)
- S(i);N_GUARD,XR(J)::QAR(L),XP(h)
- P(c);OGATEB,XS(D)::R(J),XP(b)
- P(f);OGATE,SBLOCK,XS(G)::R(J)
- S(g);OGATE::QAB(L)
- P(h);N_GUARD::S(G)
- S(i);N_GUARD::QAR(L),XP(h)
- P(b);N_GUARD::S(G),XP(a)
- Refutation
- S(g);CHECK
- Try
- B(H);
- Vars
- S(g);CHECK,N_GUARD::R(A),XS(g)
- S(g);OGATE,XB(M)::QAB(L)
- S(i);N_GUARD,XR(J)::QAR(L),XP(h)
- S(i);N_GUARD,XB(H)::QAR(L),XP(h)
- P(c);OGATEB,XS(D)::R(J),XP(b)
- P(h);N_GUARD,XB(H)::S(G)
- S(g);OGATE::QAB(L)
- P(h);N_GUARD::S(G)
- S(i);N_GUARD::QAR(L),XP(h)
- P(b);N_GUARD::S(G),XP(a)
- Refutation
- P(f);XS(G)
- Try
- R(J);N_PINP(e),P_PINP(c),XP(b)
- Threat
- DUALS(2)
- Vars
- S(g);CHECK,N_GUARD::R(A),XS(g)
- S(i);::S(G),XP(a)
- Refutation
- P(f);XS(G)
- Try
- Q(L);CHECK,XP(e)
- Vars
- S(g);SBLOCK,XQ(L)::R(A)
- Refutation
- K(d);S_FLIGHT,XQ(L)
- Try
- Q(L);N_PINP(e),XS(g)
- Threat
- QAB(L)
- Refutation
- P(c);XS(D)
- Try
- P(I);XS(g)
- Threat
- R(A)
- Vars
- P(h);N_GUARD::S(G)
- Refutation
- P(c);XS(D)
- Try
- Actual
- B(H);
- Vars
- S(g);CHECK,N_GUARD::R(A),XS(g)
- S(g);OGATE,XB(M)::QAB(L)
- S(i);N_GUARD,XR(J)::QAR(L),XP(h)
- P(c);OGATEB,XS(D)::R(J),XP(b)
- P(f);OGATE,SBLOCK,XS(G)::R(J)
- S(g);OGATE::QAB(L)
- P(h);N_GUARD::S(G)
- S(i);N_GUARD::QAR(L),XP(h)
- P(b);N_GUARD::S(G),XP(a)
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).