MESON Chess Problem Database
Problem Display
PID: 33637 (2b3n1/br2p1K1/R1B1Np2/3N1k2/2p2P2/7P/3PR1n1/1r3Q2 w - - 0 1)
Shire, David J
2nd Prize, Schach-Aktiv, 1994
#2
10 + 10
| 3256 | David Shire Selected Chess Problems | 2001 |
SOLUTION
- SOUND
- Sets
- 1...R1b6
- 2.Sd4#
- 1...R7b6
- 2.Sd4#
- 1...Rc7
- 2.Qxb1#
- 1...Rd7
- 2.Qxb1#
- 1...Bd4
- 2.Sxd4#
- 1...Bb6
- 2.Qxb1#
- 1...Bb8
- 2.Sd4#
- 1...Sxf4
- 2.Qxf4#
- 1...R1b6
- Tries
- 1.Sb6?
- threat
- 2.Sd4#
- 2.Qxb1#
- 1...Rxf1
- 2.Ra5#
- 1...R1xb6
- 2.Sd4#
- 1...R7xb6
- 2.Sd4#
- 1...Bxb6
- 2.Qxb1#
- 1...Bxe6
- 2.Be4#
- 1...Sxf4
- 2.Qxf4#
- 1...Se3
- 2.Sd4#
- 1...Ra1
- 2.Sd4#
- 1...Rc1
- 2.Sd4#
- 2.Ra5#
- 1...Rd1
- 2.Sd4#
- 2.Ra5#
- 1...Re1
- 2.Sd4#
- 2.Ra5#
- 1...Rb2
- 2.Sd4#
- 1...Rb3
- 2.Sd4#
- 1...Rb4
- 2.Sd4#
- 1...Rb5
- 2.Sd4#
- 1...Se1
- 2.Sd4#
- 1...c3
- 2.Sd4#
- 1...Rd7!
- threat
- 1.Sxf6?
- threat
- 2.Be4#
- 2.Re5#
- 1...Sxf4
- 2.Qxf4#
- 1...Sxf6
- 2.Re5#
- 1...Be3
- 2.Be4#
- 1...Se3
- 2.Be4#
- 1...Re1
- 2.Be4#
- 1...R1b5
- 2.Be4#
- 1...R1b6
- 2.Sd4#
- 2.Re5#
- 1...R7b5
- 2.Be4#
- 1...R7b6
- 2.Sd4#
- 2.Re5#
- 1...Bd4
- 2.Sxd4#
- 2.Be4#
- 1...Bb6
- 2.Re5#
- 2.Qxb1#
- 1...Bb8
- 2.Sd4#
- 2.Be4#
- 1...exf6+!
- threat
- 1.Sxe7+?
- 1...Sxe7
- 2.Be4#
- 1...Rxe7+!
- 1...Sxe7
- 1.Rb6?
- threat
- 2.Sd4#
- 2.Qxb1#
- 1...Rxf1
- 2.Sd4#
- 1...R1xb6
- 2.Sd4#
- 1...R7xb6
- 2.Sd4#
- 1...Bxb6
- 2.Qxb1#
- 1...Bxe6
- 2.Qxb1#
- 1...Sxf4
- 2.Qxf4#
- 1...Ra1
- 2.Sd4#
- 1...Rc1
- 2.Sd4#
- 1...Rd1
- 2.Sd4#
- 1...Re1
- 2.Sd4#
- 1...Rb2
- 2.Sd4#
- 1...Rb3
- 2.Sd4#
- 1...Rb4
- 2.Sd4#
- 1...Rb5
- 2.Sd4#
- 1...Se1
- 2.Sd4#
- 1...c3
- 2.Sd4#
- 1...Se3!
- threat
- 1.Sb6?
- Keys
- 1.Sc3!
- threat
- 2.Be4#
- 1...Sxf4
- 2.Qxf4#
- 1...R1b6
- 2.Sd4#
- 1...R7b6
- 2.Sd4#
- 1...Bb6
- 2.Qxb1#
- threat
- 1.Sc3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 4
- Sets
- R(a);S_CUTB(f)::S(I)
- R(g);S_CUTB(f)::S(I)
- R(g);N_GUARD::QAB(A),XR(a)
- B(f);N_GUARD::S(I),XB(f)
- B(f);S_CUTR(g)::QAB(A),XR(a)
- B(f);N_GUARD::S(I)
- S(b);OGATE,P_SPINS(b),XP(E)::QAR1(A),XS(b)
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- R(a);N_GUARD,XQ(A)::R(G)
- R(a);XS(F)::S(I)
- R(g);XS(F)::S(I)
- B(f);XS(F)::QAB(A),XR(a)
- B(i);SBLOCK,XS(I)::B(H)
- S(b);OGATE,P_SPINS(b),XP(E)::QAR1(A),XS(b)
- S(b);::S(I)
- R(a);::S(I)
- P(c);::S(I)
- Refutation
- R(g);
- Try
- S(F);XP(e)
- Threat
- DUALS(2)
- Vars
- S(b);OGATE,P_SPINS(b),XP(E)::QAR1(A),XS(b)
- S(j);XS(F)::R1(C)
- B(f);::B(H)
- S(b);::B(H)
- R(a);::B(H)
- R(g);::B(H)
- Refutation
- P(h);CHECK,XS(F)
- Try
- S(F);CHECK,P_SPINS(F),XP(h)
- Vars
- S(j);XS(F)::B(H)
- Refutation
- R(g);CHECK,XS(F)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- R(a);XQ(A)::S(I)
- R(a);XR(G)::S(I)
- R(g);XR(G)::S(I)
- B(f);XR(G)::QAB(A),XR(a)
- B(i);XS(I)::QAB(A),XR(a)
- S(b);OGATE,P_SPINS(b),XP(E)::QAR1(A),XS(b)
- R(a);::S(I)
- S(b);::S(I)
- P(c);::S(I)
- Refutation
- S(b);
- Try
- Actual
- S(F);
- Threat
- B(H)
- Vars
- S(b);OGATE,P_SPINS(b),XP(E)::QAR1(A),XS(b)
- R(a);S_CUTB(f)::S(I)
- R(g);S_CUTB(f)::S(I)
- B(f);S_CUTR(g)::QAB(A),XR(a)
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).