MESON Chess Problem Database
Problem Display
PID: 150572 (7b/4R1R1/1n1n1k2/1P2N1pr/2p3B1/2Pr1P2/8/KQB5 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Source?, 0000
#2
10 + 8
| 15148 | Sadier Collection | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Rd1
- 2.Qg6#
- 1...Rd2
- 2.Qg6#
- 1...Rxc3
- 2.Qg6#
- 1...Re3
- 2.Qg6#
- 1...Rxf3
- 2.Qg6#
- 1...Rd4
- 2.Qg6#
- 1...Rd5
- 2.Qg6#
- 1...Rh1
- 2.Bxg5#
- 1...Rh2
- 2.Bxg5#
- 1...Rh3
- 2.Bxg5#
- 1...Rh4
- 2.Bxg5#
- 1...Rh6
- 2.Bxg5#
- 1...Rh7
- 2.Bxg5#
- 1...Bxg7
- 2.Re6#
- 1...Sa4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sa8
- 2.Sd7#
- 1...Sbc8
- 2.Sd7#
- 1...Se4
- 2.Rgf7#
- 1...Sxb5
- 2.Rgf7#
- 1...Sf5
- 2.Rgf7#
- 1...Sb7
- 2.Rgf7#
- 1...Sf7
- 2.Rgxf7#
- 1...Sdc8
- 2.Rgf7#
- 1...Se8
- 2.Rgf7#
- 1...Rd1
- Tries
- 1.Be3?
- 1...Rxc3
- 2.Qg6#
- 1...Rxe3
- 2.Qg6#
- 1...Bxg7
- 2.Re6#
- 1...Sxb5
- 2.Rgf7#
- 1...Sf7
- 2.Rgxf7#
- 1...Rd2
- 2.Qg6#
- 1...Rd4
- 2.Qg6#
- 1...Rd5
- 2.Qg6#
- 1...Rh1
- 2.Bxg5#
- 1...Rh2
- 2.Bxg5#
- 1...Rh3
- 2.Bxg5#
- 1...Rh4
- 2.Bxg5#
- 1...Rh6
- 2.Bxg5#
- 1...Rh7
- 2.Bxg5#
- 1...Sa4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sa8
- 2.Sd7#
- 1...Sbc8
- 2.Sd7#
- 1...Se4
- 2.Rgf7#
- 1...Sf5
- 2.Rgf7#
- 1...Sb7
- 2.Rgf7#
- 1...Sdc8
- 2.Rgf7#
- 1...Se8
- 2.Rgf7#
- 1...Rd1!
- 1...Rxc3
- 1.Rh7?
- threat
- 2.Re6#
- 1...Sf5
- 2.Rhf7#
- 1...Rxh7!
- threat
- 1.Qc2?
- 1...Rxc3
- 2.Qg6#
- 1...Rxf3
- 2.Qg6#
- 1...Bxg7
- 2.Re6#
- 1...Sxb5
- 2.Rgf7#
- 1...Sf7
- 2.Rgxf7#
- 1...Rd1
- 2.Qg6#
- 1...Rd2
- 2.Qg6#
- 1...Re3
- 2.Qg6#
- 1...Rd4
- 2.Qg6#
- 1...Rd5
- 2.Qg6#
- 1...Rh2
- 2.Bxg5#
- 1...Rh3
- 2.Bxg5#
- 1...Rh4
- 2.Bxg5#
- 1...Rh6
- 2.Bxg5#
- 1...Rh7
- 2.Bxg5#
- 1...Sa4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sa8
- 2.Sd7#
- 1...Sbc8
- 2.Sd7#
- 1...Se4
- 2.Rgf7#
- 1...Sf5
- 2.Rgf7#
- 1...Sb7
- 2.Rgf7#
- 1...Sdc8
- 2.Rgf7#
- 1...Se8
- 2.Rgf7#
- 1...Rh1!
- 1...Rxc3
- 1.Qxd3?
- threat
- 2.Qg6#
- 2.Qxd6#
- 1...Bxg7
- 2.Re6#
- 2.Qxd6#
- 1...Sxb5
- 2.Rgf7#
- 2.Qf5#
- 2.Qg6#
- 1...Sf7
- 2.Rgxf7#
- 1...Rh6
- 2.Bxg5#
- 2.Qxd6#
- 1...Sd5
- 2.Sd7#
- 2.Qg6#
- 1...Sbc8
- 2.Sd7#
- 2.Qg6#
- 1...Se4
- 2.Rgf7#
- 1...Sf5
- 2.Rgf7#
- 2.Qxf5#
- 1...Sb7
- 2.Rgf7#
- 2.Qf5#
- 2.Qg6#
- 1...Sdc8
- 2.Rgf7#
- 2.Qf5#
- 2.Qg6#
- 1...Se8
- 2.Rgf7#
- 2.Qf5#
- 2.Qg6#
- 1...cxd3!
- threat
- 1.f4?
- 1...Rxc3
- 2.Qg6#
- 1...Bxg7
- 2.Re6#
- 1...Sxb5
- 2.Ref7#
- 2.Rgf7#
- 1...Sf7
- 2.Rexf7#
- 2.Rgxf7#
- 1...Rd1
- 2.Qg6#
- 1...Rd2
- 2.Qg6#
- 1...Re3
- 2.Qg6#
- 1...Rf3
- 2.Qg6#
- 1...Rg3
- 2.Qg6#
- 1...Rdh3
- 2.Qg6#
- 1...Rd4
- 2.Qg6#
- 1...Rd5
- 2.Qg6#
- 1...Rh1
- 2.fxg5#
- 1...Rh2
- 2.fxg5#
- 1...Rhh3
- 2.fxg5#
- 1...Rh4
- 2.fxg5#
- 1...Rh6
- 2.fxg5#
- 1...Rh7
- 2.fxg5#
- 1...Sa4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sa8
- 2.Sd7#
- 1...Sbc8
- 2.Sd7#
- 1...Se4
- 2.Ref7#
- 2.Rgf7#
- 1...Sf5
- 2.Rgf7#
- 1...Sb7
- 2.Ref7#
- 2.Rgf7#
- 1...Sdc8
- 2.Ref7#
- 2.Rgf7#
- 1...Se8
- 2.Ref7#
- 2.Rgf7#
- 1...gxf4!
- 1...Rxc3
- 1.Be3?
- Keys
- 1.Bd2!
- 1...Rxd2
- 2.Qg6#
- 1...Rxc3
- 2.Qg6#
- 1...Rxf3
- 2.Qg6#
- 1...Bxg7
- 2.Re6#
- 1...Sxb5
- 2.Rgf7#
- 1...Sf7
- 2.Rgxf7#
- 1...Re3
- 2.Qg6#
- 1...Rd4
- 2.Qg6#
- 1...Rd5
- 2.Qg6#
- 1...Rh1
- 2.Bxg5#
- 1...Rh2
- 2.Bxg5#
- 1...Rh3
- 2.Bxg5#
- 1...Rh4
- 2.Bxg5#
- 1...Rh6
- 2.Bxg5#
- 1...Rh7
- 2.Bxg5#
- 1...Sa4
- 2.Sd7#
- 1...Sd5
- 2.Sd7#
- 1...Sd7
- 2.Sxd7#
- 1...Sa8
- 2.Sd7#
- 1...Sbc8
- 2.Sd7#
- 1...Se4
- 2.Rgf7#
- 1...Sf5
- 2.Rgf7#
- 1...Sb7
- 2.Rgf7#
- 1...Sdc8
- 2.Rgf7#
- 1...Se8
- 2.Rgf7#
- 1...Rxd2
- 1.Bd2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 1
- Sets
- R(a);OGATE::QAR1(B)
- R(a);OGATE,XP(D)::QAR1(B)
- R(a);OGATE,XP(E)::QAR1(B)
- R(d);N_GUARD::B(C),XP(c)
- B(h);SBLOCK,XR(J)::R1(I)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD::S(H),XS(e)
- S(f);N_GUARD::R1(J)
- S(f);N_GUARD,XP(G)::R1(J)
- S(f);N_GUARD::R1(J),XS(f)
- Tries
- Try
- B(C);
- Vars
- R(a);OGATE,XP(D)::QAR1(B)
- R(a);OGATE,XB(C)::QAR1(B)
- B(h);SBLOCK,XR(J)::R1(I)
- S(f);N_GUARD,XP(G)::R1(J)
- S(f);N_GUARD::R1(J),XS(f)
- R(a);OGATE::QAR1(B)
- R(d);N_GUARD,P_PINQ(B)::B(C),XP(c)
- R(d);N_GUARD::B(C),XP(c)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD::S(H),XS(e)
- S(f);N_GUARD::R1(J)
- Refutation
- R(a);P_PINQ(B)
- Try
- R(J);
- Threat
- R1(I)
- Vars
- S(f);N_GUARD::R1(J)
- Refutation
- R(d);XR(J)
- Try
- Q(B);
- Vars
- R(a);OGATE,XP(D)::QAR1(B)
- R(a);OGATE,XP(E)::QAR1(B)
- B(h);SBLOCK,XR(J)::R1(I)
- S(f);N_GUARD,XP(G)::R1(J)
- S(f);N_GUARD::R1(J),XS(f)
- R(a);OGATE,P_PINB(C)::QAR1(B)
- R(a);OGATE::QAR1(B)
- R(d);N_GUARD::B(C),XP(c)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD::S(H),XS(e)
- S(f);N_GUARD::R1(J)
- Refutation
- R(d);P_PINB(C)
- Try
- Q(B);XR(a)
- Threat
- DUALS(2)
- Vars
- S(f);N_GUARD::R1(J),XS(f)
- S(f);N_GUARD::R1(J)
- Refutation
- P(b);XQ(B)
- Try
- P(E);
- Vars
- R(a);OGATE,XP(D)::QAR1(B)
- B(h);SBLOCK,XR(J)::R1(I)
- R(a);OGATE::QAR1(B)
- R(d);N_GUARD::P(E),XP(c)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD::S(H),XS(e)
- S(f);N_GUARD::R1(J)
- Refutation
- P(c);XP(E)
- Try
- Actual
- B(C);
- Vars
- R(a);OGATE,XB(C)::QAR1(B)
- R(a);OGATE,XP(D)::QAR1(B)
- R(a);OGATE,XP(E)::QAR1(B)
- B(h);SBLOCK,XR(J)::R1(I)
- S(f);N_GUARD,XP(G)::R1(J)
- S(f);N_GUARD::R1(J),XS(f)
- R(a);OGATE::QAR1(B)
- R(d);N_GUARD,P_PINQ(B)::B(C),XP(c)
- R(d);N_GUARD::B(C),XP(c)
- S(e);N_GUARD::S(H)
- S(e);N_GUARD::S(H),XS(e)
- S(f);N_GUARD::R1(J)
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).