MESON Chess Problem Database
Problem Display
PID: 159932 (n3N3/5Np1/4p1R1/pKPk2P1/Qbp5/1pB2P2/8/8 w - - 0 1)
Ahues, Herbert Siegfried Oskar
Freie Presse, 1968
#2
9 + 8
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Ba3
- 2.Qxc4#
- 1...Bxc3
- 2.Qxc4#
- 1...Bxc5
- 2.Qxc4#
- 1...Sb6
- 2.Sc7#
- 1...Sc7+
- 2.Sxc7#
- 1...b2
- 2.Qd1#
- 1...e5
- 2.Rd6#
- 1...Ba3
- Tries
- 1.Se5?
- 1...Sc7+
- 2.Sxc7#
- 1...Bxc5
- 2.Qxc4#
- 1...Ba3
- 2.Qxc4#
- 1...Sb6
- 2.Sc7#
- 1...b2
- 2.Qd1#
- 1...Bxc3!
- 1...Sc7+
- 1.Sh6?
- 1...Sc7+
- 2.Sxc7#
- 1...Bxc5
- 2.Qxc4#
- 1...gxh6
- 2.Sf6#
- 1...Ba3
- 2.Qxc4#
- 1...Sb6
- 2.Sc7#
- 1...b2
- 2.Qd1#
- 1...e5
- 2.Rd6#
- 1...Bxc3!
- 1...Sc7+
- 1.Sd8?
- 1...Sc7+
- 2.Sxc7#
- 1...Bxc5
- 2.Qxc4#
- 1...Ba3
- 2.Qxc4#
- 1...Sb6
- 2.Sc7#
- 1...b2
- 2.Qd1#
- 1...e5
- 2.Rd6#
- 1...Bxc3!
- 1...Sc7+
- 1.Sh8?
- 1...Sc7+
- 2.Sxc7#
- 1...Bxc5
- 2.Qxc4#
- 1...Ba3
- 2.Qxc4#
- 1...Sb6
- 2.Sc7#
- 1...b2
- 2.Qd1#
- 1...e5
- 2.Rd6#
- 1...Bxc3!
- 1...Sc7+
- 1.Bb2?
- 1...Sc7+
- 2.Sxc7#
- 1...Bxc5
- 2.Qxc4#
- 1...Bc3
- 2.Qxc4#
- 1...Sb6
- 2.Sc7#
- 1...Be1
- 2.Qxc4#
- 1...Bd2
- 2.Qxc4#
- 1...Ba3
- 2.Qxc4#
- 1...e5
- 2.Rd6#
- 1...c3!
- 1...Sc7+
- 1.Be5?
- 1...Sc7+
- 2.Sxc7#
- 1...Bxc5
- 2.Qxc4#
- 1...Sb6
- 2.Sc7#
- 1...Be1
- 2.Qxc4#
- 1...Bd2
- 2.Qxc4#
- 1...Ba3
- 2.Qxc4#
- 1...Bc3
- 2.Qxc4#
- 1...c3
- 2.Qxb3#
- 1...b2!
- 1...Sc7+
- 1.Bxg7?
- 1...Sc7+
- 2.Sxc7#
- 1...Bxc5
- 2.Qxc4#
- 1...e5
- 2.Rd6#
- 1...Sb6
- 2.Sc7#
- 1...Be1
- 2.Qxc4#
- 1...Bd2
- 2.Qxc4#
- 1...Ba3
- 2.Qxc4#
- 1...Bc3
- 2.Qxc4#
- 1...c3
- 2.Qxb3#
- 1...b2!
- 1...Sc7+
- 1.Rxe6?
- threat
- 2.Re5#
- 2.Rd6#
- 1...Sc7+
- 2.Sxc7#
- 1...Bxc3
- 2.Rd6#
- 2.Qxc4#
- 1...Bxc5
- 2.Re5#
- 2.Qxc4#
- 1...Kxe6!
- threat
- 1.Rf6?
- 1...Sc7+
- 2.Sxc7#
- 1...Bxc3
- 2.Qxc4#
- 1...Bxc5
- 2.Qxc4#
- 1...gxf6
- 2.Sxf6#
- 1...Sb6
- 2.Sc7#
- 1...Ba3
- 2.Qxc4#
- 1...b2
- 2.Qd1#
- 1...e5
- 2.Rd6#
- 1...g6!
- 1...Sc7+
- 1.Rxg7?
- threat
- 2.Sf6#
- 1...Sc7+
- 2.Sxc7#
- 1...Bxc3
- 2.Qxc4#
- 1...e5!
- threat
- 1.Qxb3?
- threat
- 2.Qd1#
- 2.Qxc4#
- 1...Sc7+
- 2.Sxc7#
- 1...Bxc3
- 2.Qxc4#
- 1...Bxc5
- 2.Qxc4#
- 1...Sb6
- 2.Sc7#
- 2.Qd1#
- 1...cxb3!
- threat
- 1.Qxb4?
- threat
- 2.Qxc4#
- 1...Sc7+
- 2.Sxc7#
- 1...Sb6
- 2.Sc7#
- 1...axb4!
- threat
- 1.Qxa5?
- threat
- 2.Qd8#
- 2.Qxa8#
- 1...Sc7+
- 2.Sxc7#
- 1...Bxc3
- 2.Qd8#
- 1...Bxc5
- 2.Qxa8#
- 1...Sb6
- 2.Sc7#
- 1...Bxa5!
- threat
- 1.c6?
- 1...Sc7+
- 2.Sxc7#
- 1...Bxc3
- 2.Qxc4#
- 1...Sb6
- 2.Sc7#
- 1...Ba3
- 2.Qxc4#
- 1...Bc5
- 2.Qxc4#
- 1...Bd6
- 2.Qxc4#
- 1...Be7
- 2.Qxc4#
- 1...Bf8
- 2.Qxc4#
- 1...b2
- 2.Qd1#
- 1...e5!
- 1...Sc7+
- 1.Se5?
- Keys
- 1.Rh6!
- 1...Sc7+
- 2.Sxc7#
- 1...Bxc3
- 2.Qxc4#
- 1...Bxc5
- 2.Qxc4#
- 1...gxh6
- 2.Sf6#
- 1...Sb6
- 2.Sc7#
- 1...Ba3
- 2.Qxc4#
- 1...b2
- 2.Qd1#
- 1...e5
- 2.Rd6#
- 1...g6
- 2.Sf6#
- 1...Sc7+
- 1.Rh6!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(b);OGATE::QAB1(C),XP(c)
- B(b);OGATE,XB(A)::QAB1(C),XP(c)
- B(b);OGATE,XP(E)::QAB1(C),XP(c)
- S(h);N_GUARD::S(I)
- S(h);CHECK,N_GUARD::S(I),XS(h)
- P(a);OGATE::QAR(C)
- P(f);OGATE::R1(G)
- Tries
- Try
- S(H);
- Vars
- S(h);CHECK,N_GUARD::S(I),XS(h)
- B(b);OGATE,XP(E)::QAB1(C),XP(c)
- B(b);OGATE::QAB1(C),XP(c)
- S(h);N_GUARD::S(I)
- P(a);OGATE::QAR(C)
- Refutation
- B(b);XB(A)
- Try
- S(H);
- Vars
- S(h);CHECK,N_GUARD::S(I),XS(h)
- B(b);OGATE,XP(E)::QAB1(C),XP(c)
- P(g);N_GUARD,XS(H)::S(I)
- B(b);OGATE::QAB1(C),XP(c)
- S(h);N_GUARD::S(I)
- P(a);OGATE::QAR(C)
- P(f);OGATE::R1(G)
- Refutation
- B(b);XB(A)
- Try
- S(H);
- Vars
- S(h);CHECK,N_GUARD::S(I),XS(h)
- B(b);OGATE,XP(E)::QAB1(C),XP(c)
- B(b);OGATE::QAB1(C),XP(c)
- S(h);N_GUARD::S(I)
- P(a);OGATE::QAR(C)
- P(f);OGATE::R1(G)
- Refutation
- B(b);XB(A)
- Try
- S(H);
- Vars
- S(h);CHECK,N_GUARD::S(I),XS(h)
- B(b);OGATE,XP(E)::QAB1(C),XP(c)
- B(b);OGATE::QAB1(C),XP(c)
- S(h);N_GUARD::S(I)
- P(a);OGATE::QAR(C)
- P(f);OGATE::R1(G)
- Refutation
- B(b);XB(A)
- Try
- B(A);
- Vars
- S(h);CHECK,N_GUARD::S(I),XS(h)
- B(b);OGATE,XP(E)::QAB1(C),XP(c)
- B(b);OGATE::QAB1(C),XP(c)
- S(h);N_GUARD::S(I)
- P(f);OGATE::R1(G)
- Refutation
- P(c);
- Try
- B(A);
- Vars
- S(h);CHECK,N_GUARD::S(I),XS(h)
- B(b);OGATE,XP(E)::QAB1(C),XP(c)
- S(h);N_GUARD::S(I)
- B(b);OGATE::QAB1(C),XP(c)
- P(c);OGATEB::QAB(C),XP(a)
- Refutation
- P(a);
- Try
- B(A);XP(g)
- Vars
- S(h);CHECK,N_GUARD::S(I),XS(h)
- B(b);OGATE,XP(E)::QAB1(C),XP(c)
- P(f);OGATE::R1(G)
- S(h);N_GUARD::S(I)
- B(b);OGATE::QAB1(C),XP(c)
- P(c);OGATEB::QAB(C),XP(a)
- Refutation
- P(a);
- Try
- R(G);XP(f)
- Threat
- DUALS(2)
- Vars
- S(h);CHECK,N_GUARD::S(I),XS(h)
- Refutation
- K(e);S_FLIGHT,XR(G)
- Try
- R(G);
- Vars
- S(h);CHECK,N_GUARD::S(I),XS(h)
- B(b);OGATE,XB(A)::QAB1(C),XP(c)
- B(b);OGATE,XP(E)::QAB1(C),XP(c)
- P(g);XR(G)::S(I),XP(g)
- S(h);N_GUARD::S(I)
- B(b);OGATE::QAB1(C),XP(c)
- P(a);OGATE::QAR(C)
- P(f);OGATE::R1(G)
- Refutation
- P(g);
- Try
- R(G);XP(g)
- Threat
- S(I)
- Vars
- S(h);CHECK,N_GUARD::S(I),XS(h)
- B(b);OGATE,XB(A)::QAB1(C),XP(c)
- Refutation
- P(f);
- Try
- Q(C);P_PINP(c),XP(a)
- Threat
- DUALS(2)
- Vars
- S(h);CHECK,N_GUARD::S(I),XS(h)
- B(b);XB(A)::QAB1(C),XP(c)
- B(b);XP(E)::QAB1(C),XP(c)
- Refutation
- P(c);N_SPINP(c),XQ(C)
- Try
- Q(C);XB(b)
- Threat
- QAB1(C),XP(c)
- Vars
- S(h);CHECK,N_GUARD::S(I),XS(h)
- S(h);N_GUARD::S(I)
- Refutation
- P(d);XQ(C)
- Try
- Q(C);XP(d)
- Threat
- DUALS(2)
- Vars
- S(h);CHECK,N_GUARD::S(I),XS(h)
- B(b);XB(A)::QAR(C)
- B(b);XP(E)::QAB(C),XS(h)
- S(h);N_GUARD::S(I)
- Refutation
- B(b);XQ(C)
- Try
- P(E);
- Vars
- S(h);CHECK,N_GUARD::S(I),XS(h)
- B(b);OGATE,XB(A)::QAB1(C),XP(c)
- S(h);N_GUARD::S(I)
- B(b);OGATE::QAB1(C),XP(c)
- P(a);OGATE::QAR(C)
- Refutation
- P(f);
- Try
- Actual
- R(G);
- Vars
- S(h);CHECK,N_GUARD::S(I),XS(h)
- B(b);OGATE,XB(A)::QAB1(C),XP(c)
- B(b);OGATE,XP(E)::QAB1(C),XP(c)
- P(g);N_GUARD,XR(G)::S(I)
- S(h);N_GUARD::S(I)
- B(b);OGATE::QAB1(C),XP(c)
- P(a);OGATE::QAR(C)
- P(f);OGATE::R1(G)
- P(g);N_GUARD::S(I)
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).