MESON Chess Problem Database
Problem Display
PID: 106053 (1br2rb1/R7/1n4B1/1R6/3k3N/3P1PQ1/2PP4/N5Kn w - - 0 1)
Brito Clovis, BC
Jornal do Solucionismo TT, 2002
#2
11 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rxc2
- 2.Sxc2#
- 1...Rc4
- 2.Sb3#
- 1...Rc7
- 2.Qe5#
- 1...Rcd8
- 2.c3#
- 1...Rce8
- 2.c3#
- 1...Rxf3
- 2.Sxf3#
- 1...Rf5
- 2.Sxf5#
- 1...Rf7
- 2.Sb3#
- 1...Rfd8
- 2.Sf5#
- 1...Rfe8
- 2.Sf5#
- 1...Be5
- 2.Qxe5#
- 1...Bxa7
- 2.Qe5#
- 1...Bc7
- 2.c3#
- 1...Bb3
- 2.Sxb3#
- 1...Bc4
- 2.c3#
- 1...Bf7
- 2.Sf5#
- 1...Bh7
- 2.Sb3#
- 1...Sf2
- 2.Qxf2#
- 1...Sc4
- 2.Sb3#
- 2.c3#
- 1...Sd5
- 2.Sb3#
- 1...Rxc2
- Tries
- 1.Bf7?
- threat
- 2.Sb3#
- 2.Sf5#
- 1...Rxf7
- 2.Sb3#
- 1...Bxf7
- 2.Sf5#
- 1...Sxg3
- 2.Sb3#
- 1...Rc3
- 2.Sf5#
- 1...Rc5
- 2.Sb3#
- 1...Bh7
- 2.Sb3#
- 1...Rxc2!
- threat
- 1.Ra4+?
- 1...Rc4
- 2.Sb3#
- 2.c3#
- 1...Bc4
- 2.Sb3#
- 2.c3#
- 1...Sc4
- 2.Sb3#
- 2.c3#
- 1...Sxa4!
- 1...Rc4
- 1.Rd7+?
- 1...Bd6
- 2.Qe5#
- 1...Bd5
- 2.Sb3#
- 1...Sd5
- 2.Sb3#
- 1...Sxd7!
- 1...Bd6
- 1.Rf7?
- threat
- 2.Sb3#
- 2.Sf5#
- 1...Rxc2
- 2.Sxc2#
- 2.Sb3#
- 1...Rxf7
- 2.Sb3#
- 1...Bxf7
- 2.Sf5#
- 1...Sxg3
- 2.Sb3#
- 1...Rc3
- 2.Sf5#
- 1...Rc5!
- threat
- 1.Qe1?
- threat
- 2.Qe3#
- 2.Qe4#
- 1...Rxf3
- 2.Sxf3#
- 2.Qe4#
- 1...Rc5
- 2.Qe4#
- 1...Rce8
- 2.c3#
- 1...Rf4
- 2.Qe3#
- 1...Rfe8
- 2.Sf5#
- 1...Bf4
- 2.Qe4#
- 1...Bd5
- 2.Qe3#
- 1...Sf2
- 2.Qxf2#
- 2.Qe3#
- 1...Sg3
- 2.Qf2#
- 2.Qe3#
- 1...Sc4
- 2.Sb3#
- 2.Qe4#
- 2.c3#
- 1...Sd5
- 2.Sb3#
- 2.Qe4#
- 1...Bh2+!
- threat
- 1.Qd6+?
- 1...Bd5
- 2.Sb3#
- 1...Sd5
- 2.Sb3#
- 1...Bxd6!
- 1...Bd5
- 1.Qg4+?
- 1...Rf4
- 2.Sf5#
- 1...Bf4!
- 1...Rf4
- 1.c4?
- threat
- 2.Sc2#
- 2.Sb3#
- 1...Rxc4
- 2.Sb3#
- 1...Bxc4
- 2.Sc2#
- 1...Rf5!
- threat
- 1.f4?
- threat
- 2.Sf3#
- 2.Qe3#
- 1...Rxf4
- 2.Qe3#
- 1...Bxf4
- 2.Sf3#
- 1...Sxg3
- 2.Sf3#
- 1...Rce8
- 2.Sf3#
- 2.c3#
- 1...Rfe8
- 2.Sf3#
- 2.Sf5#
- 1...Bd5
- 2.Qe3#
- 1...Sc4
- 2.Sb3#
- 2.Sf3#
- 2.c3#
- 1...Sd5
- 2.Sb3#
- 2.Sf3#
- 1...Rc5!
- threat
- 1.Bf7?
- Keys
- 1.Rc7!
- threat
- 2.Qe5#
- 2.c3#
- 1...Rxc7
- 2.Qe5#
- 1...Bxc7
- 2.c3#
- 1...Sxg3
- 2.c3#
- 1...Rce8
- 2.c3#
- 1...Rf4
- 2.Qxf4#
- 2.c3#
- 1...Rf5
- 2.Sxf5#
- 1...Rfe8
- 2.Sf5#
- 2.c3#
- 1...Bd5
- 2.c3#
- 1...Sa4
- 2.Qe5#
- 1...Sc4
- 2.Sb3#
- 2.c3#
- 1...Sd5
- 2.Sb3#
- 1...Sd7
- 2.c3#
- threat
- 1.Rc7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 14
- Sets
- R(e);XP(C)::S(A),XR(e)
- R(e);S_CUTB(g)::S(A)
- R(e);S_CUTB(d)::QAB1(G)
- R(e);N_GUARD::P(C)
- R(f);XP(F)::S(H),XR(f)
- R(f);N_GUARD::S(H),XR(f)
- R(f);S_CUTB(g)::S(A)
- R(f);N_GUARD::S(H)
- B(d);N_GUARD::QAB1(G),XB(d)
- B(d);N_GUARD,XR(K)::QAB1(G)
- B(d);S_CUTR(e)::P(C)
- B(g);N_GUARD::S(A),XB(g)
- B(g);S_CUTR(e)::P(C)
- B(g);S_CUTR(f)::S(H)
- B(g);N_GUARD::S(A)
- S(a);N_GUARD::QAB(G),XS(a)
- S(c);S_CUTB(g)::S(A)
- Tries
- Try
- B(J);
- Threat
- DUALS(2)
- Vars
- R(f);XB(J)::S(A)
- B(g);XB(J)::S(H)
- S(a);XQ(G)::S(A)
- R(e);::S(H)
- R(e);::S(A)
- B(g);::S(A)
- Refutation
- R(e);XP(C)
- Try
- R(K);CHECK
- Refutation
- S(c);XR(K)
- Try
- R(K);CHECK
- Vars
- B(d);P_SPINB(d)::QAB1(G)
- B(g);P_SPINB(g)::S(A)
- S(c);P_SPINS(c)::S(A)
- Refutation
- S(c);XR(K)
- Try
- R(K);
- Threat
- DUALS(2)
- Vars
- R(f);XR(K)::S(A)
- B(g);XR(K)::S(H)
- S(a);XQ(G)::S(A)
- R(e);::S(H)
- Refutation
- R(e);
- Try
- Q(G);
- Threat
- DUALS(2)
- Vars
- R(e);::QAR1(G)
- R(e);N_GUARD::P(C)
- R(f);::QAB1(G)
- R(f);N_GUARD::S(H)
- B(d);::QAR1(G)
- B(g);::QAB1(G)
- Refutation
- B(d);CHECK
- Try
- Q(G);CHECK
- Vars
- B(g);P_SPINB(g)::S(A)
- S(c);P_SPINS(c)::S(A)
- Refutation
- B(d);XQ(G)
- Try
- Q(G);CHECK
- Vars
- R(f);P_SPINR(f)::S(H)
- Refutation
- B(d);P_SPINB(d)
- Try
- P(C);
- Threat
- DUALS(2)
- Vars
- R(e);XP(C)::S(A)
- B(g);XP(C)::S(A)
- Refutation
- R(f);
- Try
- P(F);
- Threat
- DUALS(2)
- Vars
- R(f);XP(F)::QAB1(G)
- B(d);XP(F)::S(H)
- S(a);XQ(G)::S(H)
- B(g);::QAB1(G)
- Refutation
- R(e);
- Try
- Actual
- R(K);
- Threat
- DUALS(2)
- Vars
- R(e);XR(K)::QAB1(G)
- B(d);XR(K)::P(C)
- S(a);XQ(G)::P(C)
- R(e);::P(C)
- R(f);N_GUARD::S(H),XR(f)
- B(g);::P(C)
- S(c);::QAB1(G)
- S(c);S_CUTB(g)::S(A)
- S(c);::P(C)
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).