MESON Chess Problem Database
Problem Display
PID: 10672 (8/p2N4/3B1n1q/n4Npb/K1k4r/1p2R2r/1PpR1PPb/3B4 w - - 0 1)
Lipton, Michael
Sp. Prize, The Problemist, 1966
#2
10 + 12
| 5862 | An ABC of Chess Problems | 1970 |
| 3772 | FIDE Album (1965-1967) | 1976 |
| 5629 | PE*ST*AB Solving Ty. | 2003 |
| 5405 | Chess Solving Yearbook 2003 | 2004 |
SOLUTION
- SOUND
- Sets
- 1...Rxe3
- 2.Sxe3#
- 1...Rf3
- 2.Be2#
- 1...Rg3
- 2.Se5#
- 1...Rd4
- 2.Rxd4#
- 1...Rf4
- 2.Se5#
- 1...Rg4
- 2.Be2#
- 1...Bg1
- 2.Se5#
- 1...Bg3
- 2.Rc3#
- 1...Bf4
- 2.Rd4#
- 1...Be5
- 2.Sxe5#
- 1...Bxd6
- 2.Sxd6#
- 1...Be2
- 2.Bxe2#
- 1...Bf3
- 2.Rc3#
- 1...Bg4
- 2.Rd4#
- 1...Bg6
- 2.Be2#
- 1...Bf7
- 2.Be2#
- 1...Be8
- 2.Be2#
- 1...Se4
- 2.Rd4#
- 1...Sg4
- 2.Be2#
- 2.Rd4#
- 2.Re4#
- 1...g4
- 2.Be2#
- 2.Rd4#
- 1...a6
- 2.Sb6#
- 1...Rxe3
- Tries
- 1.Sg3?
- threat
- 2.Se5#
- 2.Rc3#
- 1...Rxg3
- 2.Se5#
- 1...Bxg3
- 2.Rc3#
- 1...Sxd7
- 2.Rc3#
- 1...cxd1S
- 2.Se5#
- 1...c1Q
- 2.Se5#
- 1...c1R
- 2.Se5#
- 1...Re4
- 2.Rc3#
- 1...Be8
- 2.Be2#
- 2.Rc3#
- 1...Sc6
- 2.Rc3#
- 1...Se4
- 2.Se5#
- 1...Sg4
- 2.Be2#
- 2.Rc3#
- 2.Re4#
- 1...Sd5
- 2.Se5#
- 1...Rd4!
- threat
- 1.Bg3?
- threat
- 2.Sd6#
- 2.Rc3#
- 1...Rxg3
- 2.Sd6#
- 1...Bxg3
- 2.Rc3#
- 1...Sxd7
- 2.Rc3#
- 1...cxd1S
- 2.Sd6#
- 1...Rd4
- 2.Rxd4#
- 1...c1Q
- 2.Sd6#
- 1...c1R
- 2.Sd6#
- 1...Qf8
- 2.Rc3#
- 1...Sb7
- 2.Rc3#
- 1...Se4
- 2.Rd4#
- 1...Sg4
- 2.Be2#
- 2.Rd4#
- 2.Rc3#
- 2.Re4#
- 1...Sh7
- 2.Rc3#
- 1...Se8
- 2.Rc3#
- 1...Sg8
- 2.Rc3#
- 1...Sd5!
- threat
- 1.Bf4?
- threat
- 2.Sd6#
- 2.Rd4#
- 1...Rxf4
- 2.Sd6#
- 1...Bxf4
- 2.Rd4#
- 1...cxd1Q
- 2.Sd6#
- 1...cxd1R
- 2.Sd6#
- 1...Qf8
- 2.Rd4#
- 1...Sc6
- 2.Sd6#
- 1...Sb7
- 2.Rd4#
- 1...Se4
- 2.Rd4#
- 2.Rxe4#
- 1...Sg4
- 2.Be2#
- 2.Rd4#
- 2.Re4#
- 1...Sd5
- 2.Rd4#
- 2.Re4#
- 1...Sh7
- 2.Rd4#
- 2.Re4#
- 1...Se8
- 2.Rd4#
- 2.Re4#
- 1...Sg8
- 2.Rd4#
- 2.Re4#
- 1...Sxd7!
- threat
- 1.Rg3?
- threat
- 2.Se3#
- 2.Se5#
- 1...Rxg3
- 2.Se5#
- 1...Bxg3
- 2.Se3#
- 1...Sxd7
- 2.Se3#
- 1...cxd1S
- 2.Se5#
- 1...Rd4
- 2.Se3#
- 2.Rxd4#
- 1...Be8
- 2.Se3#
- 2.Be2#
- 1...Sc6
- 2.Se3#
- 1...Sg4
- 2.Be2#
- 2.Rd4#
- 1...Sd5
- 2.Se5#
- 1...g4
- 2.Se5#
- 2.Be2#
- 2.Rd4#
- 1...Re4!
- threat
- 1.Re4+?
- 1...Sxe4
- 2.Rd4#
- 1...Rxe4!
- 1...Sxe4
- 1.f3?
- threat
- 2.Be2#
- 2.Rc3#
- 1...Rxf3
- 2.Be2#
- 1...Bxf3
- 2.Rc3#
- 1...cxd1Q
- 2.Rc3#
- 1...cxd1B
- 2.Rc3#
- 1...cxd1R
- 2.Rc3#
- 1...Rd4
- 2.Rxd4#
- 1...c1Q
- 2.Be2#
- 1...c1S
- 2.Rc3#
- 1...c1R
- 2.Be2#
- 1...Sd5
- 2.Be2#
- 1...Be5
- 2.Sxe5#
- 2.Be2#
- 1...Se4
- 2.Be2#
- 2.Rd4#
- 1...cxd1S!
- threat
- 1.f4?
- threat
- 2.Se5#
- 2.Rd4#
- 1...Rxe3
- 2.Sxe3#
- 2.Rd4#
- 1...Rxf4
- 2.Se5#
- 1...Bxf4
- 2.Rd4#
- 1...Sxd7
- 2.Rd4#
- 2.Re4#
- 1...cxd1Q
- 2.Se5#
- 1...cxd1R
- 2.Se5#
- 1...Be8
- 2.Be2#
- 2.Rd4#
- 1...Sg4
- 2.Be2#
- 2.Rd4#
- 2.Re4#
- 1...Sc6!
- threat
- 1.Sg3?
- Keys
- 1.g3!
- threat
- 2.Se5#
- 2.Rc3#
- 1...Rxg3
- 2.Se5#
- 1...Bxg3
- 2.Rc3#
- 1...Sxd7
- 2.Rc3#
- 1...cxd1S
- 2.Se5#
- 1...Rd4
- 2.Rxd4#
- 1...c1Q
- 2.Se5#
- 1...c1R
- 2.Se5#
- 1...Sd5
- 2.Se5#
- 1...Re4
- 2.Rc3#
- 1...Be8
- 2.Be2#
- 2.Rc3#
- 1...Sc6
- 2.Rc3#
- 1...Se4
- 2.Se5#
- 2.Rd4#
- 1...Sg4
- 2.Be2#
- 2.Rd4#
- 2.Rc3#
- 2.Re4#
- threat
- 1.g3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 16
- Sets
- R(d);XR(F)::S(H),XR(d)
- R(d);S_CUTB(i)::B(A)
- R(d);S_CUTB(b)::S(J)
- R(f);N_GUARD::R1(C),XR(f)
- R(f);S_CUTB(b)::S(J)
- R(f);S_CUTB(i)::B(A)
- B(b);N_GUARD::S(J)
- B(b);S_CUTR(d)::R1(F)
- B(b);S_CUTR(f)::R1(C)
- B(b);N_GUARD::S(J),XB(b)
- B(b);XB(I)::S(H),XB(b)
- B(i);N_GUARD::B(A),XB(i)
- B(i);S_CUTR(d)::R1(F)
- B(i);S_CUTR(f)::R1(C)
- B(i);N_GUARD::B(A)
- B(i);N_GUARD,P_PINS(J)::B(A)
- S(j);S_CUTR(f)::R1(C)
- P(l);N_GUARD::S(J)
- Tries
- Try
- S(H);
- Threat
- DUALS(2)
- Vars
- R(d);XS(H)::S(J)
- B(b);XS(H)::R1(F)
- S(j);XS(J)::R1(F)
- P(a);XB(A)::S(J)
- P(a);::S(J)
- R(f);::R1(F)
- S(g);::R1(F)
- S(j);::S(J)
- Refutation
- R(f);
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- R(d);XB(I)::S(H)
- B(b);XB(I)::R1(F)
- S(j);XS(J)::R1(F)
- P(a);XB(A)::S(H)
- R(f);N_GUARD::R1(C),XR(f)
- P(a);::S(H)
- Q(k);::R1(F)
- S(g);::R1(F)
- S(j);S_CUTR(f)::R1(C)
- S(j);::R1(F)
- Refutation
- S(j);
- Try
- B(I);
- Threat
- DUALS(2)
- Vars
- R(f);XB(I)::S(H)
- B(b);XB(I)::R1(C)
- P(a);XB(A)::S(H)
- Q(k);::R1(C)
- S(g);::S(H)
- S(g);::R1(C)
- Refutation
- S(j);XS(J)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- R(d);XR(F)::S(J)
- B(b);XR(F)::S(H)
- S(j);XS(J)::S(H)
- P(a);XB(A)::S(J)
- S(g);::S(H)
- S(j);::S(J)
- Refutation
- R(f);
- Try
- R(F);CHECK
- Vars
- S(j);XR(F)::R1(C)
- Refutation
- R(f);XR(F)
- Try
- P(D);
- Threat
- DUALS(2)
- Vars
- R(d);XP(D)::B(A)
- B(i);XP(D)::R1(F)
- P(a);XB(A)::R1(F)
- R(f);N_GUARD::R1(C),XR(f)
- P(a);::B(A)
- P(a);::R1(F)
- S(j);::B(A)
- Refutation
- P(a);XB(A)
- Try
- P(D);
- Threat
- DUALS(2)
- Vars
- R(f);XP(D)::S(J)
- B(b);XP(D)::R1(C)
- P(a);XB(A)::S(J)
- Refutation
- S(g);
- Try
- Actual
- P(E);
- Threat
- DUALS(2)
- Vars
- R(d);XP(E)::S(J)
- B(b);XP(E)::R1(F)
- S(j);XS(J)::R1(F)
- P(a);XB(A)::S(J)
- R(f);N_GUARD::R1(C),XR(f)
- P(a);::S(J)
- S(j);::S(J)
- R(f);::R1(F)
- S(g);::R1(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).