MESON Chess Problem Database
Problem Display
PID: 61953 (8/4Np2/2p3n1/2B2Q2/KPk1p3/p1N4R/2Pp4/r4r1b w - - 0 1)
Bouchez, Laurent
Morice, Jean
Primault, Andre
2nd Comm., Les Echos du Touquet, 1995
#2
8 + 10
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Qxf1#
- 1...Rb1
- 2.Qxf7#
- 1...Rc1
- 2.Qxf7#
- 1...Rd1
- 2.Qxf7#
- 1...Re1
- 2.Qxf7#
- 1...Rg1
- 2.Qxf7#
- 1...d1S
- 2.Qxf1#
- 1...e3
- 2.Qd3#
- 1...f6
- 2.Qe6#
- 1...Ra2
- Tries
- 1.Sb1?
- threat
- 2.Sxd2#
- 2.Rc3#
- 2.Qxf1#
- 1...Rfxb1
- 2.Qxf7#
- 1...Rxf5
- 2.Sxd2#
- 2.Rc3#
- 1...Sxe7
- 2.Sxd2#
- 2.Rc3#
- 1...d1Q
- 2.Rc3#
- 1...d1S
- 2.Sd2#
- 2.Qxf1#
- 1...d1B
- 2.Sd2#
- 2.Rc3#
- 1...d1R
- 2.Rc3#
- 1...Rc1
- 2.Sxd2#
- 2.Rc3#
- 2.Qxf7#
- 1...Rd1
- 2.Rc3#
- 2.Qxf7#
- 1...Re1
- 2.Sxd2#
- 2.Rc3#
- 2.Qxf7#
- 1...Rg1
- 2.Sxd2#
- 2.Rc3#
- 2.Qxf7#
- 1...Rf2
- 2.Rc3#
- 1...Rf3
- 2.Qxe4#
- 1...Rf4
- 2.Sxd2#
- 2.Rc3#
- 1...Bg2
- 2.Sxd2#
- 2.Rc3#
- 1...Bf3
- 2.Qxf7#
- 1...Sf4
- 2.Sxd2#
- 2.Rc3#
- 1...Se5
- 2.Sxd2#
- 2.Rc3#
- 1...e3
- 2.Qd3#
- 1...Raxb1!
- threat
- 1.Sd1?
- threat
- 2.Rc3#
- 2.Qxf1#
- 1...Rfxd1
- 2.Qxf7#
- 1...Rxf5
- 2.Rc3#
- 1...Sxe7
- 2.Rc3#
- 1...Re1
- 2.Rc3#
- 2.Qxf7#
- 1...Rg1
- 2.Rc3#
- 2.Qxf7#
- 1...Rf2
- 2.Rc3#
- 1...Rf3
- 2.Qxe4#
- 1...Rf4
- 2.Rc3#
- 1...Bg2
- 2.Rc3#
- 1...Bf3
- 2.Qxf7#
- 1...Sf4
- 2.Rc3#
- 1...Se5
- 2.Rc3#
- 1...e3
- 2.Qd3#
- 1...Raxd1!
- threat
- 1.Se2?
- threat
- 2.Rc3#
- 1...Rf3
- 2.Qxe4#
- 1...Bf3
- 2.Qxf7#
- 1...e3
- 2.Qd3#
- 1...d1S!
- threat
- 1.Sxe4?
- threat
- 2.Sxd2#
- 2.Sd6#
- 2.Rc3#
- 1...Bxe4
- 2.Qxe4#
- 1...d1Q
- 2.Rc3#
- 1...d1S
- 2.Sd2#
- 2.Sd6#
- 2.Qxf1#
- 1...d1B
- 2.Sd2#
- 2.Sd6#
- 2.Rc3#
- 1...d1R
- 2.Rc3#
- 1...Rad1
- 2.Sd6#
- 2.Rc3#
- 1...Rfd1
- 2.Sd6#
- 2.Rc3#
- 2.Qxf7#
- 1...Rf2
- 2.Sd6#
- 2.Rc3#
- 1...Bf3
- 2.Qxf7#
- 1...Rf3!
- threat
- 1.Sb5?
- threat
- 2.Sd6#
- 2.Rc3#
- 1...d1Q
- 2.Rc3#
- 1...d1S
- 2.Sd6#
- 2.Qxf1#
- 1...d1R
- 2.Rc3#
- 1...Rf3
- 2.Qxe4#
- 1...Bf3
- 2.Qxf7#
- 1...e3
- 2.Qd3#
- 1...cxb5+!
- threat
- 1.Scd5?
- threat
- 2.Sb6#
- 2.Rc3#
- 1...cxd5
- 2.Qxd5#
- 1...d1S
- 2.Sb6#
- 2.Qxf1#
- 1...Rf3
- 2.Qxe4#
- 1...e3
- 2.Qd3#
- 1...Bf3!
- threat
- 1.Sed5?
- threat
- 2.Sb6#
- 1...cxd5
- 2.Qxd5#
- 1...Rf3
- 2.Qxe4#
- 1...e3
- 2.Qd3#
- 1...Bf3!
- threat
- 1.Bf2?
- threat
- 2.Qc5#
- 2.Qxf7#
- 1...Rxf2
- 2.Qc5#
- 1...Sxe7
- 2.Qc5#
- 1...Bf3
- 2.Qc5#
- 1...e3
- 2.Qd3#
- 2.Qc5#
- 1...d1Q
- 2.Qc5#
- 1...d1R
- 2.Qc5#
- 1...Sf4
- 2.Qc5#
- 1...Sf8
- 2.Qc5#
- 1...Sh8
- 2.Qc5#
- 1...c5
- 2.Qxc5#
- 2.Qd5#
- 2.Qxf7#
- 1...f6
- 2.Qe6#
- 2.Qc5#
- 1...Se5!
- threat
- 1.Sb1?
- Keys
- 1.Sa2!
- threat
- 2.Rc3#
- 1...Rxa2
- 2.Qxf1#
- 1...d1S
- 2.Qxf1#
- 1...Rf3
- 2.Qxe4#
- 1...Bf3
- 2.Qxf7#
- 1...e3
- 2.Qd3#
- threat
- 1.Sa2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD::QAB(G),XR(b)
- R(b);N_GUARD::QAB(G),XP(j)
- P(d);S_CUTR(a)::QAB(G),XR(b)
- P(g);OGATE::QAB1(G)
- P(j);N_GUARD::QAB(G)
- Tries
- Try
- S(B);
- Threat
- DUALS(3)
- Vars
- R(b);N_GUARD,XS(B)::QAB(G),XP(j)
- P(d);P_PINP(A)::R1(C)
- P(d);::R1(C)
- R(b);::R1(C)
- R(b);S_CUTB(c)::QAR2(G),XP(g)
- B(c);S_CUTR(b)::QAB(G),XP(j)
- P(g);OGATE::QAB1(G)
- Refutation
- R(a);XS(B)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- R(b);N_GUARD,XS(B)::QAB(G),XP(j)
- R(b);XQ(G)::R1(C)
- S(i);XS(H)::R1(C)
- R(b);::R1(C)
- R(b);S_CUTB(c)::QAR2(G),XP(g)
- B(c);::R1(C)
- B(c);S_CUTR(b)::QAB(G),XP(j)
- S(i);::R1(C)
- P(g);OGATE::QAB1(G)
- Refutation
- R(a);XS(B)
- Try
- S(B);
- Threat
- R1(C)
- Vars
- R(b);S_CUTB(c)::QAR2(G),XP(g)
- B(c);S_CUTR(b)::QAB(G),XP(j)
- P(g);OGATE::QAB1(G)
- Refutation
- P(d);
- Try
- S(B);XP(g)
- Threat
- DUALS(3)
- Vars
- B(c);OGATE,XS(B)::QAR2(G),XB(c)
- P(d);P_PINP(A)::R1(C)
- P(d);::R1(C)
- B(c);S_CUTR(b)::QAB(G),XP(j)
- Refutation
- R(b);
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- P(d);P_PINP(A)::R1(C)
- P(d);::R1(C)
- R(b);S_CUTB(c)::QAR2(G),XP(g)
- B(c);S_CUTR(b)::QAB(G),XP(j)
- P(g);OGATE::QAB1(G)
- Refutation
- P(h);CHECK,XS(B)
- Try
- S(B);
- Threat
- DUALS(2)
- Vars
- P(h);OGATE,XS(B)::QAB1(G),XP(h)
- R(b);S_CUTB(c)::QAR2(G),XP(g)
- P(g);OGATE::QAB1(G)
- Refutation
- B(c);
- Try
- S(H);
- Threat
- S(H)
- Vars
- P(h);OGATE,XS(H)::QAB1(G),XP(h)
- R(b);S_CUTB(c)::QAR2(G),XP(g)
- P(g);OGATE::QAB1(G)
- Refutation
- B(c);
- Try
- B(F);
- Threat
- DUALS(2)
- Vars
- R(b);XB(F)::QAR1(G)
- S(i);XS(H)::QAR1(G)
- B(c);::QAR1(G)
- P(d);P_PINP(A)::QAR1(G)
- P(d);::QAR1(G)
- S(i);::QAR1(G)
- Refutation
- S(i);
- Try
- Actual
- S(B);
- Threat
- R1(C)
- Vars
- R(a);N_GUARD,XS(B)::QAB(G),XR(b)
- P(d);S_CUTR(a)::QAB(G),XR(b)
- R(b);S_CUTB(c)::QAR2(G),XP(g)
- B(c);S_CUTR(b)::QAB(G),XP(j)
- P(g);OGATE::QAB1(G)
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).