MESON Chess Problem Database
Problem Display
PID: 117015 (B7/3bN2n/1K4Qr/R7/5kn1/5pr1/3P1P2/8 w - - 0 1)
Knuppert, Hugo
Skakbladet, 1939
#2
7 + 7
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rh1
- 2.Qe4#
- 1...Rh2
- 2.Qe4#
- 1...Rh3
- 2.Qe4#
- 1...Rh4
- 2.Qe4#
- 1...Rh5
- 2.Qe4#
- 1...Rxg6+
- 2.Sxg6#
- 1...Ba4
- 2.Rf5#
- 1...Bf5
- 2.Rxf5#
- 1...Bc6
- 2.Qf5#
- 1...Be6
- 2.Qe4#
- 1...Be8
- 2.Rf5#
- 1...Sh2
- 2.fxg3#
- 1...Se3
- 2.dxe3#
- 2.fxe3#
- 2.fxg3#
- 1...Se5
- 2.Sd5#
- 2.fxg3#
- 1...Sgf6
- 2.Qxg3#
- 2.fxg3#
- 1...Shf6
- 2.Qg5#
- 1...Rh1
- Tries
- 1.Ka7?
- threat
- 2.Qe4#
- 1...Rxg6
- 2.Sxg6#
- 1...Bb5
- 2.Qf5#
- 1...Bf5
- 2.Rxf5#
- 2.Qxf5#
- 1...Bc6
- 2.Qf5#
- 1...Se5
- 2.Sd5#
- 2.Qxg3#
- 2.fxg3#
- 1...Sgf6
- 2.Qxg3#
- 2.fxg3#
- 1...Sg5
- 2.Qxg5#
- 1...Shf6
- 2.Qg5#
- 1...Sxf2!
- threat
- 1.Kc7?
- threat
- 2.Qe4#
- 1...Rxg6
- 2.Sxg6#
- 1...Bb5
- 2.Qf5#
- 1...Bf5
- 2.Rxf5#
- 2.Qxf5#
- 1...Bc6
- 2.Qf5#
- 1...Se5
- 2.Sd5#
- 2.Qxg3#
- 2.fxg3#
- 1...Sgf6
- 2.Qxg3#
- 2.fxg3#
- 1...Sg5
- 2.Qxg5#
- 1...Shf6
- 2.Qg5#
- 1...Sxf2!
- threat
- 1.Bc6?
- threat
- 2.Qe4#
- 1...Rxg6
- 2.Sxg6#
- 1...Bxc6
- 2.Qf5#
- 1...Bf5
- 2.Rxf5#
- 2.Qxf5#
- 1...Se5
- 2.Sd5#
- 2.Qxg3#
- 2.fxg3#
- 1...Sgf6
- 2.Qxg3#
- 2.fxg3#
- 1...Sg5
- 2.Qxg5#
- 1...Shf6
- 2.Qg5#
- 1...Sxf2!
- threat
- 1.Ra4+?
- 1...Ke5
- 2.Re4#
- 1...Bxa4!
- 1...Ke5
- 1.Qxh6+?
- 1...Sg5
- 2.Sg6#
- 2.Qxg5#
- 1...Sxh6!
- 1...Sg5
- 1.Ka7?
- Keys
- 1.d4!
- threat
- 2.Sd5#
- 1...Rxg6+
- 2.Sxg6#
- 1...Rh5
- 2.Qe4#
- 1...Bf5
- 2.Rxf5#
- 1...Bc6
- 2.Qf5#
- 1...Be6
- 2.Qe4#
- 1...Se3
- 2.fxg3#
- 1...Sgf6
- 2.Qxg3#
- 1...Shf6
- 2.Qg5#
- threat
- 1.d4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 7
- Sets
- R(e);N_PINQ(E)::QAR1(E)
- R(e);CHECK,XQ(E)::S(F),XR(e)
- B(f);N_GUARD::R1(C)
- B(f);N_GUARD::R1(C),XB(f)
- B(f);N_PINQ(E)::QAR1(E)
- S(d);::P(B),XR(b)
- S(g);N_PINQ(E)::QAB1(E)
- Tries
- Try
- K(D);N_SPINQ(E),S_FLIGHT
- Threat
- QAR1(E)
- Vars
- R(e);XQ(E)::S(F),XR(e)
- B(f);N_GUARD::QAR1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- S(g);N_GUARD::QAB1(E)
- Refutation
- S(d);XP(B)
- Try
- K(D);N_SPINQ(E),S_FLIGHT
- Threat
- QAR1(E)
- Vars
- R(e);XQ(E)::S(F),XR(e)
- B(f);N_GUARD::QAR1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- S(g);N_GUARD::QAB1(E)
- Refutation
- S(d);XP(B)
- Try
- B(G);N_SPINQ(E)
- Threat
- QAR1(E)
- Vars
- R(e);P_PINB(G),XQ(E)::S(F),XR(e)
- B(f);N_GUARD,XB(G)::QAR1(E)
- S(g);N_GUARD::QAB1(E),XS(g)
- S(g);N_GUARD::QAB1(E)
- Refutation
- S(d);XP(B)
- Try
- R(C);CHECK
- Vars
- K(c);S_FLIGHT::R1(C)
- Refutation
- B(f);XR(C)
- Try
- Q(E);CHECK,N_SPINQ(E),XR(e)
- Refutation
- S(d);XQ(E)
- Try
- Actual
- P(A);
- Threat
- S(F)
- Vars
- R(e);CHECK,XQ(E)::S(F),XR(e)
- R(e);N_PINQ(E)::QAR1(E)
- B(f);N_GUARD::R1(C),XB(f)
- B(f);N_PINQ(E)::QAR1(E)
- S(d);SBLOCK::P(B),XR(b)
- S(d);N_PINQ(E)::QAB1(E),XR(b)
- S(g);N_PINQ(E)::QAB1(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).