MESON Chess Problem Database
Problem Display
PID: 65820 (4R3/1B6/r2p2N1/1b1PPR1q/2NPk1P1/1Q5r/1p2P3/nKb3B1 w - - 0 1)
Loustau, Jean-Marc
Rotenberg, Jacques
4th Comm., Phenix, 1988
#2
13 + 9
| 702 | Phenix | 1990 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Qd3#
- 2.Qf3#
- 1...Rh2
- 2.Qd3#
- 2.Qf3#
- 1...Rd3
- 2.Qxd3#
- 2.exd3#
- 1...Re3
- 2.Rf4#
- 1...Rf3
- 2.Qxf3#
- 2.exf3#
- 1...Rh4
- 2.Qd3#
- 2.Qf3#
- 1...Ra2
- 2.Sxd6#
- 1...Ra3
- 2.Sxd6#
- 1...Ra4
- 2.Sxd6#
- 1...Ra5
- 2.Sxd6#
- 1...Rc6
- 2.exd6#
- 1...Ra7
- 2.Sxd6#
- 1...Ra8
- 2.Sxd6#
- 1...Bd2
- 2.Sxd2#
- 1...Be3
- 2.Qd3#
- 1...Bf4
- 2.Rxf4#
- 1...Bxc4
- 2.exd6#
- 1...Bc6
- 2.Sxd6#
- 1...dxe5
- 2.Rexe5#
- 1...Rh1
- Tries
- 1.Bc6?
- threat
- 2.Sxd6#
- 2.exd6#
- 1...Qxg4
- 2.Sxd6#
- 1...Qxf5
- 2.Sxd6#
- 1...Rxc6
- 2.exd6#
- 1...Bxc4
- 2.exd6#
- 1...Bxc6
- 2.Sxd6#
- 1...dxe5
- 2.Sd6#
- 2.Rexe5#
- 1...Re3
- 2.Rf4#
- 1...Be3
- 2.Qd3#
- 1...Qh4
- 2.Sxd6#
- 1...Qg5
- 2.Sxd6#
- 1...Qh7
- 2.Sxd6#
- 1...Qh8
- 2.Sxd6#
- 1...Ra7
- 2.Sxd6#
- 1...Ra8
- 2.Sxd6#
- 1...Bf4
- 2.Sxd6#
- 2.Rxf4#
- 1...Bg5
- 2.Sxd6#
- 1...Qxg6!
- threat
- 1.Qc2+?
- 1...Rd3
- 2.Qxd3#
- 2.exd3#
- 1...Sxc2!
- 1...Rd3
- 1.Qe3+?
- 1...Rxe3
- 2.Rf4#
- 1...Bxe3!
- 1...Rxe3
- 1.Qxh3?
- threat
- 2.Qg2#
- 2.Qd3#
- 2.Qf3#
- 1...Qxg4
- 2.Qd3#
- 1...Qxf5
- 2.Qd3#
- 1...Bxc4
- 2.Qg2#
- 2.Qf3#
- 2.exd6#
- 1...Rc6
- 2.Qg2#
- 2.Qf3#
- 2.exd6#
- 1...Be3
- 2.Qxe3#
- 1...Bc6
- 2.Qg2#
- 2.Qf3#
- 1...Ra3
- 2.Sxd6#
- 1...Qxh3!
- threat
- 1.Bc6?
- Keys
- 1.Be3!
- threat
- 2.Rf4#
- 2.Qd3#
- 1...Qxg4
- 2.Qd3#
- 1...Qxf5
- 2.Qd3#
- 1...Rxe3
- 2.Rf4#
- 1...Bxe3
- 2.Qd3#
- 1...Bxc4
- 2.Rf4#
- 2.exd6#
- 1...Sxb3
- 2.Rf4#
- 1...Rc6
- 2.exd6#
- 1...Bc6
- 2.Sxd6#
- 1...Qg5
- 2.Qd3#
- 1...Qh6
- 2.Qd3#
- 1...Rf3
- 2.Qd3#
- 2.exf3#
- 1...Ra3
- 2.Sxd6#
- 2.Rf4#
- threat
- 1.Be3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 5
- REMOVED MATES = 10
- Sets
- R(d);S_CUTB(b)::R1(J)
- R(h);N_GUARD::S(E),XP(i)
- R(h);S_CUTB(f)::R(M)+P(I),XP(i)
- B(b);N_GUARD::S(E),XB(b)
- B(b);S_CUTR(d)::QAB1(D)
- B(b);N_GUARD::R1(J),XB(b)
- B(f);N_GUARD,XS(E)::R(M)+P(I),XP(i)
- B(f);S_CUTR(h)::S(E),XP(i)
- P(i);OGATE,P_SPINP(i),XP(I)::R1(M),XP(i)
- Tries
- Try
- B(L);
- Threat
- DUALS(2)
- Vars
- Q(g);XP(G)::S(E),XP(i)
- Q(g);XR(J)::S(E),XP(i)
- R(h);XB(L)::R(M)+P(I),XP(i)
- B(f);XS(E)::R(M)+P(I),XP(i)
- B(f);XB(L)::S(E),XP(i)
- R(d);S_CUTB(b)::R1(J)
- B(b);S_CUTR(d)::QAB1(D)
- Q(g);::S(E),XP(i)
- R(h);::S(E),XP(i)
- B(b);::S(E),XP(i)
- Refutation
- Q(g);XS(K)
- Try
- Q(D);CHECK
- Refutation
- S(a);XQ(D)
- Try
- Q(D);CHECK
- Vars
- R(d);XQ(D)::R1(J)
- Refutation
- B(b);XQ(D)
- Try
- Q(D);XR(d)
- Threat
- DUALS(3)
- Vars
- Q(g);XP(G)::QAB1(D)
- Q(g);XR(J)::QAB1(D)
- B(b);N_GUARD::QAR1(D),XB(b)
- R(h);N_GUARD::S(E),XP(i)
- Refutation
- Q(g);XQ(D)
- Try
- Actual
- B(B);
- Threat
- DUALS(2)
- Vars
- Q(g);XP(G)::QAB1(D)
- Q(g);XR(J)::QAB1(D)
- R(d);XB(B)::R1(J)
- B(b);XB(B)::QAB1(D)
- S(a);XQ(D)::R1(J)
- R(h);S_CUTB(f)::R(M)+P(I),XP(i)
- B(f);S_CUTR(h)::S(E),XP(i)
- Q(g);::QAB1(D)
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).