MESON Chess Problem Database
Problem Display
PID: 154573 (8/Q2KB3/3N4/1R1nk3/5p2/n6p/3N2rP/5r1B w - - 0 1)
von Alvensleben, Wichard Udo Reinhard
stern, 2000
#2
8 + 7
| 15391 | Problemschach-Jahrbuch (2000) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Ra1
- 2.Sf3#
- 1...Rb1
- 2.Sf3#
- 1...Rc1
- 2.Sf3#
- 1...Rd1
- 2.Sf3#
- 1...Re1
- 2.Sf3#
- 1...Rfg1
- 2.Sf3#
- 1...Rxh1
- 2.Sf3#
- 1...Rf3
- 2.Sxf3#
- 1...Rgg1
- 2.Rxd5#
- 1...Re2
- 2.Rxd5#
- 1...Rf2
- 2.Rxd5#
- 1...Rxh2
- 2.Rxd5#
- 1...Rg3
- 2.Rxd5#
- 1...Rg4
- 2.Rxd5#
- 1...Rg5
- 2.Rxd5#
- 1...Rg6
- 2.Rxd5#
- 1...Rg7
- 2.Rxd5#
- 1...Rg8
- 2.Rxd5#
- 1...Sb1
- 2.S2c4#
- 1...Sc2
- 2.S2c4#
- 1...Sc4
- 2.S2xc4#
- 1...Sxb5
- 2.S2c4#
- 1...f3
- 2.Qe3#
- 1...Ra1
- Tries
- 1.Bxg2?
- threat
- 2.Rxd5#
- 1...Sxb5
- 2.S2c4#
- 1...f3
- 2.Qe3#
- 1...Rf3
- 2.Sxf3#
- 1...hxg2!
- threat
- 1.Qf2?
- threat
- 2.Sf3#
- 1...Rgxf2
- 2.Rxd5#
- 1...f3
- 2.Qe3#
- 1...Rg3
- 2.Rxd5#
- 1...Rfxf2!
- threat
- 1.Qc5?
- threat
- 2.Qc3#
- 2.Qxd5#
- 1...Sxb5
- 2.S2c4#
- 1...f3
- 2.Qe3#
- 1...Rc1
- 2.Sf3#
- 2.Qxd5#
- 1...Rf3
- 2.Sxf3#
- 2.Qxd5#
- 1...Rg3
- 2.Qxd5#
- 1...Sb1
- 2.S2c4#
- 2.Qxd5#
- 1...Sc2
- 2.S2c4#
- 2.Qxd5#
- 1...Sc4
- 2.S2xc4#
- 2.Qxd5#
- 1...Rxd2!
- threat
- 1.Qa4?
- threat
- 2.Qe4#
- 1...Re1
- 2.Sf3#
- 1...Re2
- 2.Rxd5#
- 1...Sc4!
- threat
- 1.Bxg2?
- Keys
- 1.Qg1!
- 1...Rfxg1
- 2.Sf3#
- 1...Rgxg1
- 2.Rxd5#
- 1...Rxd2
- 2.Qg7#
- 1...Rxh2
- 2.Rxd5#
- 2.Qg7#
- 1...Sxb5
- 2.S2c4#
- 1...Rff2
- 2.Qa1#
- 1...Rgf2
- 2.Rxd5#
- 2.Qg7#
- 1...f3
- 2.Qe3#
- 1...Ra1
- 2.Sf3#
- 2.Qxa1#
- 1...Rb1
- 2.Sf3#
- 1...Rc1
- 2.Sf3#
- 1...Rd1
- 2.Sf3#
- 1...Re1
- 2.Sf3#
- 1...Rf3
- 2.Sxf3#
- 1...Re2
- 2.Rxd5#
- 2.Qg7#
- 1...Rg3
- 2.Rxd5#
- 1...Rg4
- 2.Rxd5#
- 1...Rg5
- 2.Rxd5#
- 1...Rg6
- 2.Rxd5#
- 1...Rg7
- 2.Rxd5#
- 2.Qxg7#
- 1...Rg8
- 2.Rxd5#
- 1...Sb1
- 2.S2c4#
- 1...Sc2
- 2.S2c4#
- 1...Sc4
- 2.S2xc4#
- 1...Rfxg1
- 1.Qg1!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 6
- Sets
- R(a);N_GUARD::S(B)
- R(a);N_GUARD,XB(A)::S(B)
- R(a);N_GUARD::S(B),XR(a)
- R(b);::R1(D),XS(f)
- R(b);XP(C)::R1(D),XS(f)
- R(b);P_PINB(H)::R1(D),XS(f)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(c)
- S(c);N_GUARD,N_SPINS(f),XR(D)::S(B)
- P(e);N_GUARD::QAR2(F)
- Tries
- Try
- B(A);XR(b)
- Threat
- R1(D),XS(f)
- Vars
- S(c);N_GUARD,N_SPINS(f),XR(D)::S(B)
- P(e);N_GUARD::QAR2(F)
- R(a);N_GUARD::S(B),XR(a)
- Refutation
- P(d);XB(A)
- Try
- Q(F);
- Threat
- S(B)
- Vars
- R(b);XQ(F)::R1(D),XS(f)
- P(e);N_GUARD::QAR2(F)
- R(b);::R1(D),XS(f)
- Refutation
- R(a);XQ(F)
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- S(c);N_GUARD,XR(D)::S(B)
- P(e);N_GUARD::QAR2(F)
- R(b);::QAR1(F),XS(f)
- Refutation
- R(b);XS(B)
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- R(a);N_GUARD::S(B)
- R(b);::R1(D),XS(f)
- Refutation
- S(c);
- Try
- Actual
- Q(F);
- Vars
- R(a);N_GUARD,XQ(F)::S(B)
- R(b);XQ(F)::R1(D),XS(f)
- R(b);OGATE,XS(B)::QAB(F)
- S(c);N_GUARD,N_SPINS(f),XR(D)::S(B)
- R(a);OGATE::QAB(F)
- P(e);N_GUARD::QAR2(F)
- R(a);N_GUARD::S(B)
- R(a);N_GUARD::S(B),XR(a)
- R(b);::R1(D),XS(f)
- S(c);N_GUARD::S(B)
- S(c);N_GUARD::S(B),XS(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).