MESON Chess Problem Database
Problem Display
PID: 136308 (1K6/1N1N1p2/2BQ4/2pPBp1n/2rPk3/b6q/b3PP2/8 w - - 0 1)
Bruch, Wieland
StrateGems, 1998
#2
10 + 9
| 6490 | yacpdb | 2010 |
SOLUTION
- SOUND
- Sets
- 1...Rb4
- 2.Sxc5#
- 1...Sg3
- 2.Sf6#
- 1...Sf4
- 2.Sf6#
- 1...Sf6
- 2.Sxf6#
- 1...Sg7
- 2.Sf6#
- 1...Rb4
- Tries
- 1.Bf4?
- threat
- 2.Qe5#
- 1...Kxd4
- 2.Qe5#
- 1...f6!
- threat
- 1.Qxc5?
- threat
- 2.Sd6#
- 2.d6#
- 1...Rxd4
- 2.Sd6#
- 2.Qxd4#
- 1...Rxc5
- 2.Sd6#
- 1...Bxc5
- 2.d6#
- 1...f4
- 2.Sd6#
- 1...Qb3
- 2.d6#
- 1...Rc1
- 2.Sd6#
- 1...Rc2
- 2.Sd6#
- 1...Rc3
- 2.Sd6#
- 1...Ra4
- 2.Sd6#
- 1...Sf4
- 2.Sd6#
- 2.Sf6#
- 1...Sf6
- 2.Sd6#
- 2.Sxf6#
- 1...Rb4!
- threat
- 1.Qc7?
- threat
- 2.Sd6#
- 2.d6#
- 1...Rxd4
- 2.Sd6#
- 1...f4
- 2.Sd6#
- 1...Qb3
- 2.d6#
- 1...Rc1
- 2.Sd6#
- 1...Rc2
- 2.Sd6#
- 1...Rc3
- 2.Sd6#
- 1...Ra4
- 2.Sd6#
- 1...Rb4
- 2.Sxc5#
- 1...Sf4
- 2.Sd6#
- 2.Sf6#
- 1...Sf6
- 2.Sd6#
- 2.Sxf6#
- 1...cxd4!
- threat
- 1.Qf8?
- threat
- 2.Sd6#
- 2.d6#
- 1...Rxd4
- 2.Sd6#
- 1...f4
- 2.Sd6#
- 1...Qb3
- 2.d6#
- 1...Rc1
- 2.Sd6#
- 1...Rc2
- 2.Sd6#
- 1...Rc3
- 2.Sd6#
- 1...Ra4
- 2.Sd6#
- 1...Rb4
- 2.Sxc5#
- 1...Sf4
- 2.Sd6#
- 2.Sf6#
- 1...Sf6
- 2.Sd6#
- 2.Sxf6#
- 1...cxd4!
- threat
- 1.Qe6?
- threat
- 2.Sd6#
- 2.d6#
- 1...Rxd4
- 2.Sd6#
- 1...Qb3
- 2.d6#
- 1...Rc1
- 2.Sd6#
- 1...Rc2
- 2.Sd6#
- 1...Rc3
- 2.Sd6#
- 1...Ra4
- 2.Sd6#
- 1...Rb4
- 2.Sxc5#
- 1...Sf4
- 2.Sd6#
- 2.Sf6#
- 1...Sf6
- 2.Sd6#
- 2.Sxf6#
- 1...cxd4!
- threat
- 1.Qf6?
- threat
- 2.Sd6#
- 2.d6#
- 1...Rxd4
- 2.Sd6#
- 1...Sxf6
- 2.Sd6#
- 2.Sxf6#
- 1...Qb3
- 2.d6#
- 1...Rc1
- 2.Sd6#
- 1...Rc2
- 2.Sd6#
- 1...Rc3
- 2.Sd6#
- 1...Ra4
- 2.Sd6#
- 1...Rb4
- 2.Sxc5#
- 1...Sf4
- 2.Sd6#
- 1...cxd4!
- threat
- 1.Qg6?
- threat
- 2.Sd6#
- 2.d6#
- 1...Rxd4
- 2.Sd6#
- 1...Qb3
- 2.d6#
- 1...Rc1
- 2.Sd6#
- 1...Rc2
- 2.Sd6#
- 1...Rc3
- 2.Sd6#
- 1...Ra4
- 2.Sd6#
- 1...Rb4
- 2.Sxc5#
- 1...Sf4
- 2.Sd6#
- 2.Sf6#
- 1...Sf6
- 2.Sd6#
- 2.Sxf6#
- 1...cxd4!
- threat
- 1.Qh6?
- threat
- 2.Sd6#
- 2.d6#
- 1...Rxd4
- 2.Sd6#
- 1...f4
- 2.Sd6#
- 1...Qb3
- 2.d6#
- 1...Rc1
- 2.Sd6#
- 1...Rc2
- 2.Sd6#
- 1...Rc3
- 2.Sd6#
- 1...Ra4
- 2.Sd6#
- 1...Rb4
- 2.Sxc5#
- 1...Sf4
- 2.Sd6#
- 2.Sf6#
- 2.Qxf4#
- 1...Sf6
- 2.Sd6#
- 2.Sxf6#
- 2.Qf4#
- 1...cxd4!
- threat
- 1.Bf4?
- Keys
- 1.Qe7!
- threat
- 2.Sd6#
- 2.d6#
- 1...Rxd4
- 2.Sd6#
- 2.Bh2#
- 2.Bg3#
- 2.Bd6#
- 2.Bc7#
- 1...cxd4
- 2.Bd6#
- 1...f4
- 2.Sd6#
- 1...Qb3
- 2.d6#
- 1...Rc1
- 2.Sd6#
- 1...Rc2
- 2.Sd6#
- 1...Rc3
- 2.Sd6#
- 1...Ra4
- 2.Sd6#
- 1...Rb4
- 2.Sxc5#
- 1...Sf4
- 2.Sd6#
- 2.Sf6#
- 1...Sf6
- 2.Sd6#
- 2.Sxf6#
- threat
- 1.Qe7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 4
- Sets
- R(d);N_GUARD,P_PINS(H),S_CUTB(b)::S(I),XP(f)
- S(h);N_GUARD::S(I)
- S(h);N_GUARD::S(I),XS(h)
- Tries
- Try
- B(E);
- Threat
- QAR1(G)
- Vars
- K(e);P-FLIGHT,XP(C)::QAB1(G)
- Refutation
- P(i);
- Try
- Q(G);XP(f)
- Threat
- DUALS(2)
- Vars
- R(d);XQ(G)::S(H)
- B(b);XQ(G)::B(F)+P(D)
- P(g);::S(H)
- Q(c);P_PINS(H)::B(F)+P(D)
- R(d);::S(H)
- Refutation
- R(d);P_PINS(H)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(d);XP(C)::S(H)
- P(g);::S(H)
- Q(c);P_PINS(H)::B(F)+P(D)
- R(d);::S(H)
- R(d);N_GUARD,P_PINS(H),S_CUTB(b)::S(I),XP(f)
- Refutation
- P(f);XP(C)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(d);XP(C)::S(H)
- P(g);::S(H)
- Q(c);P_PINS(H)::B(F)+P(D)
- R(d);::S(H)
- R(d);N_GUARD,P_PINS(H),S_CUTB(b)::S(I),XP(f)
- Refutation
- P(f);XP(C)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(d);XP(C)::S(H)
- Q(c);P_PINS(H)::B(F)+P(D)
- R(d);::S(H)
- R(d);N_GUARD,P_PINS(H),S_CUTB(b)::S(I),XP(f)
- Refutation
- P(f);XP(C)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(d);XP(C)::S(H)
- Q(c);P_PINS(H)::B(F)+P(D)
- R(d);::S(H)
- R(d);N_GUARD,P_PINS(H),S_CUTB(b)::S(I),XP(f)
- S(h);::S(H)
- Refutation
- P(f);XP(C)
- Try
- Q(G);P_PINP(g)
- Threat
- DUALS(2)
- Vars
- R(d);XP(C)::S(H)
- Q(c);P_PINS(H)::B(F)+P(D)
- R(d);::S(H)
- R(d);N_GUARD,P_PINS(H),S_CUTB(b)::S(I),XP(f)
- Refutation
- P(f);XP(C)
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(d);XP(C)::S(H)
- P(g);::S(H)
- Q(c);P_PINS(H)::B(F)+P(D)
- R(d);::S(H)
- R(d);N_GUARD,P_PINS(H),S_CUTB(b)::S(I),XP(f)
- Refutation
- P(f);XP(C)
- Try
- Actual
- Q(G);
- Threat
- DUALS(2)
- Vars
- P(f);SBLOCK,XP(C)::QAR(G)+B(E)
- P(g);::S(H)
- Q(c);P_PINS(H)::B(F)+P(D)
- R(d);::S(H)
- R(d);N_GUARD,P_PINS(H),S_CUTB(b)::S(I),XP(f)
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).