MESON Chess Problem Database
Problem Display
PID: 105523 (r6b/2P1BPq1/6R1/2NP1k1P/5P2/5P2/6NK/2rB4 w - - 0 1)
Apro, Laszlo
Vizugyi Sports Club, 1985
#2
12 + 5
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qa1
- 2.Rg5#
- 1...Qb2
- 2.Rg5#
- 1...Qc3
- 2.Rg5#
- 1...Qd4
- 2.Rg5#
- 1...Qe5
- 2.Rg5#
- 1...Qf8
- 2.Rg5#
- 1...Qxf7
- 2.Rg5#
- 1...Qh7
- 2.Rg5#
- 1...Rca1
- 2.Bc2#
- 1...Rb1
- 2.Bc2#
- 1...Rc2
- 2.Bxc2#
- 1...Raa1
- 2.c8Q#
- 2.c8B#
- 1...Ra2
- 2.c8Q#
- 2.c8B#
- 1...Ra3
- 2.c8Q#
- 2.c8B#
- 1...Ra4
- 2.c8Q#
- 2.c8B#
- 1...Ra5
- 2.c8Q#
- 2.c8B#
- 1...Qa1
- Tries
- 1.Kg3?
- threat
- 2.Se3#
- 2.Sh4#
- 1...Qc3
- 2.Sh4#
- 2.Rg5#
- 1...Qd4
- 2.Sh4#
- 2.Rg5#
- 1...Qe5
- 2.Sh4#
- 2.Rg5#
- 1...Qf6
- 2.Se3#
- 1...Rc3
- 2.Sh4#
- 1...Ra3
- 2.Sh4#
- 2.c8Q#
- 2.c8B#
- 1...Qxg6+!
- threat
- 1.Se4?
- threat
- 2.Sg3#
- 2.Sd6#
- 1...Qe5
- 2.Sg3#
- 2.Rg5#
- 1...Qf6
- 2.Sg3#
- 1...Rc6
- 2.Sg3#
- 1...Ra6
- 2.Sg3#
- 1...Rd8
- 2.Sg3#
- 1...Qxg6!
- threat
- 1.Se6?
- threat
- 2.Se3#
- 2.Sh4#
- 1...Qb2
- 2.Rg5#
- 1...Qc3
- 2.Sh4#
- 2.Rg5#
- 1...Qd4
- 2.Sh4#
- 2.Rg5#
- 1...Qe5
- 2.Sh4#
- 2.Rg5#
- 1...Qf6
- 2.Se3#
- 1...Rc2
- 2.Bxc2#
- 1...Rc3
- 2.Sh4#
- 1...Ra3
- 2.Sh4#
- 1...Ra2!
- threat
- 1.Bg5?
- threat
- 2.Se3#
- 2.Sh4#
- 1...Ra2
- 2.c8Q#
- 2.c8B#
- 1...Qc3
- 2.Sh4#
- 1...Qd4
- 2.Sh4#
- 1...Qe5
- 2.Sh4#
- 1...Rc2
- 2.Bxc2#
- 1...Rc3
- 2.Sh4#
- 1...Ra3
- 2.Sh4#
- 2.c8Q#
- 2.c8B#
- 1...Re8
- 2.Sh4#
- 1...Qb2!
- threat
- 1.f8Q+?
- 1...Qf6
- 2.Rg5#
- 1...Qxf8
- 2.Rg5#
- 1...Qf7
- 2.Rg5#
- 1...Rxf8!
- 1...Qf6
- 1.f8R+?
- 1...Qf6
- 2.Rg5#
- 1...Qxf8
- 2.Rg5#
- 1...Qf7
- 2.Rg5#
- 1...Rxf8!
- 1...Qf6
- 1.Kg3?
- Keys
- 1.Rg4!
- threat
- 2.Se3#
- 2.Sh4#
- 1...Qxg4
- 2.fxg4#
- 1...Ra2
- 2.c8Q#
- 2.c8B#
- 1...Qb2
- 2.Rg5#
- 1...Qc3
- 2.Sh4#
- 2.Rg5#
- 1...Qd4
- 2.Sh4#
- 2.Rg5#
- 1...Qe5
- 2.Sh4#
- 2.Rg5#
- 1...Qf6
- 2.Se3#
- 1...Qg5
- 2.Se3#
- 2.Rxg5#
- 1...Rc2
- 2.Bxc2#
- 1...Rc3
- 2.Sh4#
- 1...Ra3
- 2.Sh4#
- 2.c8Q#
- 2.c8B#
- threat
- 1.Rg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 9
- Sets
- Q(c);N_GUARD::R1(I)
- Q(c);N_GUARD,P_PINS(B)::R1(I)
- Q(c);N_GUARD,P_PINP(E)::R1(I)
- Q(c);N_GUARD,XP(L)::R1(I)
- Q(c);N_GUARD,P_PINP(H)::R1(I)
- R(a);N_GUARD::B(A)
- R(a);N_GUARD,P_PINS(B)::B(A),XR(a)
- R(d);N_GUARD::P=Q
- R(d);N_GUARD,P_PINS(B)::P=Q
- Tries
- Try
- K(C);P_SPINR(I),S_FLIGHT
- Threat
- DUALS(2)
- Vars
- Q(c);N_PINR(I)::S(B)
- R(a);P_PINP(D)::S(B)
- Refutation
- Q(c);CHECK,XR(I)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(c);::S(F)
- R(a);::S(F)
- R(d);::S(F)
- Refutation
- Q(c);XR(I)
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- Q(c);N_GUARD,P_PINS(B)::R1(I)
- Q(c);::S(B)
- R(a);N_GUARD,P_PINS(B)::B(A),XR(a)
- R(a);::S(B)
- R(d);::S(B)
- Refutation
- R(d);P_PINS(B)
- Try
- B(K);
- Threat
- DUALS(2)
- Vars
- R(d);N_GUARD,P_PINS(B)::P=Q
- Q(c);::S(B)
- Q(c);P_PINP(E)::S(B)
- R(a);N_GUARD,P_PINS(B)::B(A),XR(a)
- R(a);::S(B)
- R(d);::S(B)
- Refutation
- Q(c);P_PINS(B)
- Try
- P(L);CHECK
- Vars
- Q(c);P_SPINQ(c)::R1(I)
- Q(c);XQ(L)::R1(I)
- Refutation
- R(d);XQ(L)
- Try
- P(L);CHECK
- Vars
- Q(c);P_SPINQ(c)::R1(I)
- Q(c);XR(L)::R1(I)
- Refutation
- R(d);XR(L)
- Try
- Actual
- R(I);
- Threat
- DUALS(2)
- Vars
- Q(c);OGATE,XR(I)::P(D),XQ(c)
- R(d);N_GUARD,P_PINS(B)::P=Q
- Q(c);N_GUARD,P_PINS(B)::R1(I)
- Q(c);::S(B)
- R(a);N_GUARD,P_PINS(B)::B(A),XR(a)
- R(a);::S(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).