MESON Chess Problem Database
Problem Display
PID: 110101 (1Q6/5b2/2p2p2/2K4n/2p1k2N/p2Np3/7R/B4B2 w - - 0 1)
Kisis, Imants J
Sachove umeni (Ceskoslovensky sach), 1988
#2
7 + 8
| 6490 | yacpdb | 2009 |
| 5454 | Near Snap | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Be8
- 2.Qxe8#
- 1...Sg3
- 2.Qf4#
- 1...Sf4
- 2.Qxf4#
- 1...Sg7
- 2.Qf4#
- 1...cxd3
- 2.Bg2#
- 1...f5
- 2.Qe5#
- 1...Be8
- Tries
- 1.Sc1?
- threat
- 2.Bg2#
- 1...e2
- 2.Rxe2#
- 1...Sf4!
- threat
- 1.Se1?
- threat
- 2.Bg2#
- 1...e2
- 2.Rxe2#
- 1...Sf4!
- threat
- 1.Sb4?
- threat
- 2.Bg2#
- 1...e2
- 2.Rxe2#
- 1...Sf4!
- threat
- 1.Sf4?
- threat
- 2.Bg2#
- 1...e2
- 2.Rxe2#
- 1...Sxf4!
- threat
- 1.Qg3?
- threat
- 2.Qg2#
- 2.Qf3#
- 1...cxd3
- 2.Bg2#
- 2.Qf3#
- 1...Sf4
- 2.Qxf4#
- 2.Qf3#
- 1...e2
- 2.Sf2#
- 2.Bg2#
- 2.Rxe2#
- 2.Qf3#
- 1...Sxg3!
- threat
- 1.Qd6?
- threat
- 2.Bg2#
- 2.Qd4#
- 1...e2
- 2.Rxe2#
- 2.Qd4#
- 1...Sf4
- 2.Qxf4#
- 2.Qd4#
- 1...Bd5!
- threat
- 1.Qb1?
- threat
- 2.Bg2#
- 1...e2
- 2.Rxe2#
- 1...Sf4
- 2.Sf2#
- 1...cxd3!
- threat
- 1.Qb2?
- threat
- 2.Qd4#
- 2.Qg2#
- 1...cxd3
- 2.Qd4#
- 1...e2
- 2.Qd4#
- 2.Qxe2#
- 1...Sf4
- 2.Qd4#
- 1...c3
- 2.Qg2#
- 1...axb2!
- threat
- 1.Qc8?
- threat
- 2.Qf5#
- 1...Be6
- 2.Qxe6#
- 1...Bg6
- 2.Qe6#
- 2.Qxc6#
- 1...Sg3
- 2.Qg4#
- 1...Sg7
- 2.Qg4#
- 1...f5
- 2.Qxf5#
- 1...e2!
- threat
- 1.Qd8?
- threat
- 2.Bg2#
- 2.Qd4#
- 1...cxd3
- 2.Qd4#
- 1...e2
- 2.Rxe2#
- 2.Qd4#
- 1...Sf4
- 2.Qd4#
- 1...Bd5!
- threat
- 1.Qe8+?
- 1...Be6
- 2.Qxe6#
- 1...Bxe8!
- 1...Be6
- 1.Sc1?
- Keys
- 1.Re2!
- threat
- 2.Sf2#
- 1...Kxd3
- 2.Qb1#
- 1...cxd3
- 2.Bg2#
- threat
- 1.Re2!
This anticipates 242273(1988)
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- B(h);N_GUARD::QAR(G),XB(h)
- S(e);N_GUARD::QAR1(G)
- S(e);N_GUARD::QAR1(G),XS(e)
- P(c);SBLOCK,XS(D)::B(B)
- P(g);N_GUARD::QAR1(G)
- Tries
- Try
- S(D);
- Threat
- B(B)
- Vars
- P(b);OGATEB::R(C),XP(b)
- Refutation
- S(e);
- Try
- S(D);
- Threat
- B(B)
- Vars
- P(b);OGATEB::R(C),XP(b)
- Refutation
- S(e);
- Try
- S(D);
- Threat
- B(B)
- Vars
- P(b);OGATEB::R(C),XP(b)
- Refutation
- S(e);
- Try
- S(D);
- Threat
- B(B)
- Vars
- P(b);OGATEB::R(C),XP(b)
- Refutation
- S(e);XS(D)
- Try
- Q(G);
- Threat
- DUALS(2)
- Refutation
- S(e);XQ(G)
- Try
- Q(G);
- Threat
- DUALS(2)
- Refutation
- B(h);
- Try
- Q(G);
- Threat
- B(B)
- Vars
- P(b);OGATEB::R(C),XP(b)
- S(e);SBLOCK::QAB(G)+S(D),DCHECK
- Refutation
- P(c);P_SPINP(c),XS(D)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- P(c);XS(D)::QAR1(G)
- S(e);::QAR1(G)
- P(c);::QAB(G)
- Refutation
- P(a);XQ(G)
- Try
- Q(G);
- Threat
- QAB1(G)
- Vars
- B(h);N_GUARD::QAR2(G),XB(h)
- S(e);N_GUARD::QAR2(G)
- P(g);::QAB1(G),XP(g)
- Refutation
- P(b);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- P(c);XS(D)::QAR1(G)
- S(e);::QAR1(G)
- Refutation
- B(h);
- Try
- Q(G);CHECK
- Vars
- B(h);N_GUARD,P_SPINB(h)::QAR2(G),XB(h)
- Refutation
- B(h);XQ(G)
- Try
- Actual
- R(C);P_PINP(b)
- Threat
- S(D)
- Vars
- K(d);N_SPINP(b),OGATEB,S_FLIGHT,XS(D)::QAB(G)
- P(c);SBLOCK,XS(D)::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).