MESON Chess Problem Database
Problem Display
PID: 212079 (8/4R1R1/2p2k2/5n2/4BN1b/6n1/5P2/K6Q w - - 0 1)
Niesslbeck, Karl
Schach-Echo, 1960
#2
7 + 5
| 15148 | Sadier Collection | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Bg5
- 2.Rgf7#
- 1...Sf1
- 2.Sh5#
- 1...Sxh1
- 2.Sh5#
- 1...Se2
- 2.Sh5#
- 1...Sxe4
- 2.Sh5#
- 1...Sh5
- 2.Sxh5#
- 1...Se3
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Sd6
- 2.Qxh4#
- 1...Sh6
- 2.Qxh4#
- 1...Sxg7
- 2.Qxh4#
- 1...c5
- 2.Sd5#
- 1...Bg5
- Tries
- 1.Kb1?
- 1...Sxh1
- 2.Sh5#
- 1...Sxe4
- 2.Sh5#
- 1...Sxg7
- 2.Qxh4#
- 1...Bg5
- 2.Rgf7#
- 1...Sf1
- 2.Sh5#
- 1...Se2
- 2.Sh5#
- 1...Sh5
- 2.Sxh5#
- 1...Se3
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Sd6
- 2.Qxh4#
- 1...Sh6
- 2.Qxh4#
- 1...c5
- 2.Sd5#
- 1...Sxe7!
- 1...Sxh1
- 1.Kb2?
- 1...Sxh1
- 2.Sh5#
- 1...Sxe4
- 2.Sh5#
- 1...Sxg7
- 2.Qxh4#
- 1...Bg5
- 2.Rgf7#
- 1...Sf1
- 2.Sh5#
- 1...Se2
- 2.Sh5#
- 1...Sh5
- 2.Sxh5#
- 1...Se3
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Sd6
- 2.Qxh4#
- 1...Sh6
- 2.Qxh4#
- 1...c5
- 2.Sd5#
- 1...Sxe7!
- 1...Sxh1
- 1.Bb1?
- 1...Sxh1
- 2.Sh5#
- 1...Sxg7
- 2.Qxh4#
- 1...Bg5
- 2.Rgf7#
- 1...Sf1
- 2.Sh5#
- 1...Se2
- 2.Sh5#
- 1...Se4
- 2.Sh5#
- 1...Sh5
- 2.Sxh5#
- 1...Se3
- 2.Qxc6#
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Sd6
- 2.Qxh4#
- 1...Sh6
- 2.Qxc6#
- 2.Qxh4#
- 1...c5
- 2.Sd5#
- 1...Sxe7!
- 1...Sxh1
- 1.Bc2?
- 1...Sxh1
- 2.Sh5#
- 1...Sxg7
- 2.Qxh4#
- 1...Bg5
- 2.Rgf7#
- 1...Sf1
- 2.Sh5#
- 1...Se2
- 2.Sh5#
- 1...Se4
- 2.Sh5#
- 1...Sh5
- 2.Sxh5#
- 1...Se3
- 2.Qxc6#
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Sd6
- 2.Qxh4#
- 1...Sh6
- 2.Qxc6#
- 2.Qxh4#
- 1...c5
- 2.Sd5#
- 1...Sxe7!
- 1...Sxh1
- 1.Bd3?
- 1...Sxh1
- 2.Sh5#
- 1...Sxg7
- 2.Qxh4#
- 1...Bg5
- 2.Rgf7#
- 1...Sf1
- 2.Sh5#
- 1...Se2
- 2.Sh5#
- 1...Se4
- 2.Sh5#
- 1...Sh5
- 2.Sxh5#
- 1...Se3
- 2.Qxc6#
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Sd6
- 2.Qxh4#
- 1...Sh6
- 2.Qxc6#
- 2.Qxh4#
- 1...c5
- 2.Sd5#
- 1...Sxe7!
- 1...Sxh1
- 1.Qf3?
- 1...Sxe4
- 2.Sh5#
- 1...Sxe7
- 2.Qc3#
- 1...Bg5
- 2.Rgf7#
- 1...Sf1
- 2.Sh5#
- 1...Sh1
- 2.Sh5#
- 1...Se2
- 2.Sh5#
- 1...Sh5
- 2.Sxh5#
- 1...Se3
- 2.Sd5#
- 2.Sh5#
- 1...Sd4
- 2.Sd5#
- 2.Sh5#
- 1...Sd6
- 2.Sd5#
- 2.Sh5#
- 2.Qc3#
- 1...Sh6
- 2.Sd5#
- 2.Sh5#
- 2.Qc3#
- 1...c5
- 2.Sd5#
- 1...Sxg7!
- 1...Sxe4
- 1.Qd1?
- 1...Sxe4
- 2.Sh5#
- 1...Sxe7
- 2.Qd4#
- 1...Sd4
- 2.Qxd4#
- 1...Bg5
- 2.Rgf7#
- 1...Sf1
- 2.Sh5#
- 1...Sh1
- 2.Sh5#
- 1...Se2
- 2.Sh5#
- 1...Sh5
- 2.Sxh5#
- 1...Se3
- 2.Qd4#
- 2.Qd6#
- 1...Sd6
- 2.Qd4#
- 2.Qxd6#
- 1...Sh6
- 2.Qd4#
- 2.Qd6#
- 1...c5
- 2.Sd5#
- 1...Sxg7!
- 1...Sxe4
- 1.Qh2?
- 1...Sxe4
- 2.Sh5#
- 1...Sxg7
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Bg5
- 2.Rgf7#
- 1...Sf1
- 2.Sh5#
- 1...Sh1
- 2.Sh5#
- 1...Se2
- 2.Sh5#
- 1...Sh5
- 2.Sxh5#
- 1...Se3
- 2.Qxh4#
- 1...Sd6
- 2.Qxh4#
- 1...Sh6
- 2.Qxh4#
- 1...c5
- 2.Sd5#
- 1...Sxe7!
- 1...Sxe4
- 1.Qh3?
- 1...Sxe4
- 2.Sh5#
- 1...Sxg7
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Bg5
- 2.Rgf7#
- 1...Sf1
- 2.Sh5#
- 2.Qxf5#
- 1...Sh1
- 2.Sh5#
- 2.Qxf5#
- 1...Se2
- 2.Sh5#
- 2.Qxf5#
- 1...Sh5
- 2.Sxh5#
- 2.Qxf5#
- 1...Se3
- 2.Qe6#
- 2.Qxh4#
- 1...Sd6
- 2.Qe6#
- 2.Qxh4#
- 1...Sh6
- 2.Qe6#
- 2.Qxh4#
- 1...c5
- 2.Sd5#
- 1...Sxe7!
- 1...Sxe4
- 1.fxg3?
- threat
- 2.Sh5#
- 1...Sxg3
- 2.Qxh4#
- 1...Sxg7
- 2.Qxh4#
- 1...Sxe7!
- threat
- 1.f3?
- 1...Sxh1
- 2.Sh5#
- 1...Sxe4
- 2.Sh5#
- 1...Sxg7
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Bg5
- 2.Rgf7#
- 1...Sf1
- 2.Sh5#
- 1...Se2
- 2.Sh5#
- 1...Sh5
- 2.Sxh5#
- 1...Se3
- 2.Qxh4#
- 1...Sd6
- 2.Qxh4#
- 1...Sh6
- 2.Qxh4#
- 1...c5
- 2.Sd5#
- 1...Sxe7!
- 1...Sxh1
- 1.Kb1?
- Keys
- 1.Ka2!
- 1...Sxh1
- 2.Sh5#
- 1...Sxe4
- 2.Sh5#
- 1...Sxe7
- 2.Qa1#
- 1...Sxg7
- 2.Qxh4#
- 1...Bg5
- 2.Rgf7#
- 1...Sf1
- 2.Sh5#
- 1...Se2
- 2.Sh5#
- 1...Sh5
- 2.Sxh5#
- 1...Se3
- 2.Qa1#
- 2.Qxh4#
- 1...Sd4
- 2.Qxh4#
- 1...Sd6
- 2.Qa1#
- 2.Qxh4#
- 1...Sh6
- 2.Qa1#
- 2.Qxh4#
- 1...c5
- 2.Sd5#
- 1...Sxh1
- 1.Ka2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 3
- Sets
- B(b);SBLOCK::R1(G)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD,XQ(B)::S(E)
- S(a);N_GUARD,XB(D)::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::QAB(B),XB(b)
- S(c);N_GUARD,XR(G)::QAB(B),XB(b)
- P(d);N_GUARD::S(E)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- S(a);N_GUARD,XQ(B)::S(E)
- S(a);N_GUARD,XB(D)::S(E)
- S(c);N_GUARD,XR(G)::QAB(B),XB(b)
- B(b);SBLOCK::R1(G)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::QAB(B),XB(b)
- P(d);N_GUARD::S(E)
- Refutation
- S(c);XR(F)
- Try
- K(A);S_FLIGHT
- Vars
- S(a);N_GUARD,XQ(B)::S(E)
- S(a);N_GUARD,XB(D)::S(E)
- S(c);N_GUARD,XR(G)::QAB(B),XB(b)
- B(b);SBLOCK::R1(G)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::QAB(B),XB(b)
- P(d);N_GUARD::S(E)
- Refutation
- S(c);XR(F)
- Try
- B(D);
- Vars
- S(a);N_GUARD,XQ(B)::S(E)
- S(c);N_GUARD,XR(G)::QAB(B),XB(b)
- B(b);SBLOCK::R1(G)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::QAB(B),XB(b)
- P(d);N_GUARD::S(E)
- Refutation
- S(c);XR(F)
- Try
- B(D);
- Vars
- S(a);N_GUARD,XQ(B)::S(E)
- S(c);N_GUARD,XR(G)::QAB(B),XB(b)
- B(b);SBLOCK::R1(G)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::QAB(B),XB(b)
- P(d);N_GUARD::S(E)
- Refutation
- S(c);XR(F)
- Try
- B(D);
- Vars
- S(a);N_GUARD,XQ(B)::S(E)
- S(c);N_GUARD,XR(G)::QAB(B),XB(b)
- B(b);SBLOCK::R1(G)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::QAB(B),XB(b)
- P(d);N_GUARD::S(E)
- Refutation
- S(c);XR(F)
- Try
- Q(B);
- Vars
- S(a);N_GUARD,XB(D)::S(E)
- S(c);N_GUARD,XR(F)::QAB(B)
- B(b);SBLOCK::R1(G)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- P(d);N_GUARD::S(E)
- Refutation
- S(c);XR(G)
- Try
- Q(B);
- Vars
- S(a);N_GUARD,XB(D)::S(E)
- S(c);N_GUARD,XR(F)::QAB(B)
- S(c);N_GUARD::QAB(B),XS(c)
- B(b);SBLOCK::R1(G)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- P(d);N_GUARD::S(E)
- Refutation
- S(c);XR(G)
- Try
- Q(B);
- Vars
- S(a);N_GUARD,XB(D)::S(E)
- S(c);N_GUARD,XR(G)::QAB(B),XB(b)
- S(c);N_GUARD::QAB(B),XB(b)
- B(b);SBLOCK::R1(G)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- P(d);N_GUARD::S(E)
- Refutation
- S(c);XR(F)
- Try
- Q(B);
- Vars
- S(a);N_GUARD,XB(D)::S(E)
- S(c);N_GUARD,XR(G)::QAB(B),XB(b)
- S(c);N_GUARD::QAB(B),XB(b)
- B(b);SBLOCK::R1(G)
- P(d);N_GUARD::S(E)
- Refutation
- S(c);XR(F)
- Try
- P(C);XS(a)
- Threat
- S(E)
- Vars
- S(c);N_GUARD,XP(C)::QAB(B),XB(b)
- S(c);N_GUARD,XR(G)::QAB(B),XB(b)
- Refutation
- S(c);XR(F)
- Try
- P(C);
- Vars
- S(a);N_GUARD,XQ(B)::S(E)
- S(a);N_GUARD,XB(D)::S(E)
- S(c);N_GUARD,XR(G)::QAB(B),XB(b)
- S(c);N_GUARD::QAB(B),XB(b)
- B(b);SBLOCK::R1(G)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- P(d);N_GUARD::S(E)
- Refutation
- S(c);XR(F)
- Try
- Actual
- K(A);P-FLIGHT
- Vars
- S(a);N_GUARD,XQ(B)::S(E)
- S(a);N_GUARD,XB(D)::S(E)
- S(c);N_GUARD,XR(F)::QAB(B)
- S(c);N_GUARD,XR(G)::QAB(B),XB(b)
- B(b);SBLOCK::R1(G)
- S(a);N_GUARD::S(E)
- S(a);N_GUARD::S(E),XS(a)
- S(c);N_GUARD::QAB(B),XB(b)
- P(d);N_GUARD::S(E)
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).