MESON Chess Problem Database
Problem Display
PID: 108546 (3QR2K/2P4P/1bp1P2B/4k2r/b2pBRP1/1nNp1p1n/4p3/3rNq2 w - - 0 1)
Kapros, Jorge Marcelo
Boletim da UBP, 1982
#2
12 + 13
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Sxf3#
- 1...Ra1
- 2.Sxd3#
- 1...Rb1
- 2.Sxd3#
- 1...Rc1
- 2.Sxd3#
- 1...Rh4
- 2.Rf5#
- 1...Rf5
- 2.Rxf5#
- 1...Rxh6
- 2.Rf5#
- 1...Bxc7
- 2.Qxc7#
- 1...Sd2
- 2.Sxd3#
- 1...Sf2
- 2.Sxf3#
- 1...Sxf4
- 2.Bg7#
- 1...Sg5
- 2.Rf5#
- 1...d2
- 2.Sd3#
- 1...f2
- 2.Sf3#
- 1...c5
- 2.Qd5#
- 1...Qg1
- Tries
- 1.Kg8?
- threat
- 2.h8Q#
- 2.h8B#
- 1...Qxe1
- 2.h8Q#
- 2.h8B#
- 1...Rxe1
- 2.h8Q#
- 2.h8B#
- 1...Rxh6
- 2.Rf5#
- 1...Bxc7
- 2.Qxc7#
- 2.h8Q#
- 2.h8B#
- 1...Sxf4
- 2.Bg7#
- 2.h8Q#
- 2.h8B#
- 1...dxc3
- 2.h8Q#
- 2.h8B#
- 1...Sg5
- 2.Rf5#
- 1...Qg2
- 2.h8Q#
- 2.h8B#
- 1...Qg1
- 2.Sxf3#
- 2.h8Q#
- 2.h8B#
- 1...Qh1
- 2.h8Q#
- 2.h8B#
- 1...Qf2
- 2.h8Q#
- 2.h8B#
- 1...Ra1
- 2.Sxd3#
- 2.h8Q#
- 2.h8B#
- 1...Rb1
- 2.Sxd3#
- 2.h8Q#
- 2.h8B#
- 1...Rc1
- 2.Sxd3#
- 2.h8Q#
- 2.h8B#
- 1...Rd2
- 2.h8Q#
- 2.h8B#
- 1...Rh4
- 2.Rf5#
- 2.h8Q#
- 2.h8B#
- 1...Rf5
- 2.Rxf5#
- 1...Bb5
- 2.h8Q#
- 2.h8B#
- 1...Ba5
- 2.h8Q#
- 2.h8B#
- 1...Bc5
- 2.h8Q#
- 2.h8B#
- 1...Ba7
- 2.h8Q#
- 2.h8B#
- 1...Sa1
- 2.h8Q#
- 2.h8B#
- 1...Sc1
- 2.h8Q#
- 2.h8B#
- 1...Sd2
- 2.Sxd3#
- 2.h8Q#
- 2.h8B#
- 1...Sa5
- 2.h8Q#
- 2.h8B#
- 1...Sc5
- 2.h8Q#
- 2.h8B#
- 1...Sg1
- 2.h8Q#
- 2.h8B#
- 1...Sf2
- 2.Sxf3#
- 2.h8Q#
- 2.h8B#
- 1...d2
- 2.Sd3#
- 2.h8Q#
- 2.h8B#
- 1...f2
- 2.Sf3#
- 2.h8Q#
- 2.h8B#
- 1...c5
- 2.Qd5#
- 2.h8Q#
- 2.h8B#
- 1...Rg5+!
- threat
- 1.Bxd3?
- threat
- 2.Re4#
- 1...Sxf4
- 2.Bg7#
- 1...Sg5
- 2.Rf5#
- 1...Sc5
- 2.Qxd4#
- 1...Sf2
- 2.Sxf3#
- 1...Sd2!
- threat
- 1.Bxf3?
- threat
- 2.Re4#
- 1...Qxf3
- 2.Sxf3#
- 1...Sxf4
- 2.Bg7#
- 1...Sg5
- 2.Rf5#
- 1...Sd2
- 2.Sxd3#
- 1...Sc5
- 2.Qxd4#
- 1...Sf2!
- threat
- 1.Bd5?
- threat
- 2.Re4#
- 1...Sxf4
- 2.Bg7#
- 1...cxd5
- 2.Qxd5#
- 1...Sg5
- 2.Rf5#
- 1...Sd2
- 2.Sxd3#
- 1...Sf2
- 2.Sxf3#
- 1...Sc5!
- threat
- 1.Bf5?
- threat
- 2.Re4#
- 1...Sxf4
- 2.Bg7#
- 1...Sd2
- 2.Sxd3#
- 1...Sc5
- 2.Qxd4#
- 1...Sf2
- 2.Sxf3#
- 1...Sg5!
- threat
- 1.Bxc6?
- threat
- 2.Re4#
- 2.Qd5#
- 1...Rxh6
- 2.Re4#
- 2.Rf5#
- 1...Sxf4
- 2.Bg7#
- 1...Rg5
- 2.Re4#
- 1...Sg5
- 2.Rf5#
- 1...Rf5
- 2.Re4#
- 2.Rxf5#
- 1...Sd2
- 2.Sxd3#
- 2.Qd5#
- 1...Sc5
- 2.Qxd4#
- 2.Qd5#
- 1...Sf2
- 2.Sxf3#
- 2.Qd5#
- 1...Bxc6!
- threat
- 1.gxh5?
- threat
- 2.Rf5#
- 1...Sxf4
- 2.Bg7#
- 1...dxc3!
- threat
- 1.c8S?
- threat
- 2.Qf6#
- 2.Qd6#
- 1...Rxh6
- 2.Rf5#
- 2.Qd6#
- 1...Sxf4
- 2.Bg7#
- 1...Rf5
- 2.Rxf5#
- 1...Bc5
- 2.Qf6#
- 1...Bc7
- 2.Qf6#
- 2.Qxc7#
- 1...Bxd8!
- threat
- 1.Kg8?
- Keys
- 1.Bg6!
- threat
- 2.Re4#
- 1...Sxf4
- 2.Bg7#
- 1...Sg5
- 2.Rf5#
- 1...Sd2
- 2.Sxd3#
- 1...Sc5
- 2.Qxd4#
- 1...Sf2
- 2.Sxf3#
- threat
- 1.Bg6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 11
- Sets
- Q(b);N_GUARD::S(A),XP(f)
- R(a);N_GUARD::S(A),XP(e)
- R(k);N_GUARD::R1(D)
- R(k);N_GUARD::R1(D),XR(k)
- R(k);N_GUARD,P_PINP(I),XB(G)::R1(D)
- B(l);OGATE,XP(H)::QAB(J),XB(l)
- S(d);S_CUTR(a)::S(A),XP(e)
- S(g);S_CUTQ(b)::S(A),XP(f)
- S(g);SBLOCK,XR(D)::B(G)
- S(g);S_CUTR(k)::R1(D)
- P(e);S_CUTR(a)::S(A)
- P(f);S_CUTQ(b)::S(A)
- P(m);N_GUARD::QAR1(J)
- Tries
- Try
- K(L);P-FLIGHT
- Threat
- P=Q
- Vars
- Q(b);XS(A)::P=Q
- R(a);XS(A)::P=Q
- R(k);N_GUARD,XB(G)::R1(D)
- P(i);XS(B)::P=Q
- S(g);S_CUTR(k)::R1(D)
- Q(b);P_PINP(E)::P=Q
- Q(b);::P=Q
- R(a);::P=Q
- R(k);N_GUARD::R1(D),XR(k)
- B(h);::P=Q
- B(l);::P=Q
- S(d);::P=Q
- S(g);::P=Q
- Refutation
- R(k);CHECK
- Try
- B(C);XP(e)
- Threat
- R1(D)
- Vars
- S(g);SBLOCK,XR(D)::B(G)
- S(g);S_CUTR(k)::R1(D)
- S(d);N_GUARD,S_CUTB(l)::QAB1(J),XP(i)
- S(g);S_CUTQ(b)::S(A),XP(f)
- Refutation
- S(d);
- Try
- B(C);XP(f)
- Threat
- R1(D)
- Vars
- Q(b);XB(C)::S(A),XQ(b)
- S(g);SBLOCK,XR(D)::B(G)
- S(g);S_CUTR(k)::R1(D)
- S(d);S_CUTR(a)::S(A),XP(e)
- S(d);N_GUARD,S_CUTB(l)::QAB1(J),XP(i)
- Refutation
- S(g);
- Try
- B(C);
- Threat
- R1(D)
- Vars
- S(g);SBLOCK,XR(D)::B(G)
- P(m);OGATE,XB(C)::QAR1(J),XP(m)
- S(g);S_CUTR(k)::R1(D)
- S(d);S_CUTR(a)::S(A),XP(e)
- S(g);S_CUTQ(b)::S(A),XP(f)
- Refutation
- S(d);
- Try
- B(C);
- Threat
- R1(D)
- Vars
- S(g);SBLOCK,XR(D)::B(G)
- S(d);S_CUTR(a)::S(A),XP(e)
- S(d);N_GUARD,S_CUTB(l)::QAB1(J),XP(i)
- S(g);S_CUTQ(b)::S(A),XP(f)
- Refutation
- S(g);
- Try
- B(C);XP(m)
- Threat
- DUALS(2)
- Vars
- S(g);SBLOCK,XR(D)::B(G)
- R(k);::R1(D)
- S(g);S_CUTR(k)::R1(D)
- Refutation
- B(h);XB(C)
- Try
- P(E);XR(k)
- Threat
- R1(D)
- Vars
- S(g);SBLOCK,XR(D)::B(G)
- Refutation
- P(i);XS(B)
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- S(g);SBLOCK,XR(D)::B(G)
- R(k);N_GUARD::R1(D),XR(k)
- B(l);::QAB1(J)
- Refutation
- B(l);XQ(J)
- Try
- Actual
- B(C);
- Threat
- R1(D)
- Vars
- S(g);SBLOCK,XR(D)::B(G)
- S(g);S_CUTR(k)::R1(D)
- S(d);S_CUTR(a)::S(A),XP(e)
- S(d);N_GUARD,S_CUTB(l)::QAB1(J),XP(i)
- S(g);S_CUTQ(b)::S(A),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).