MESON Chess Problem Database
Problem Display
PID: 90427 (8/KB2pN2/4P3/1p1r2pQ/1Rn2kPp/3p1p1p/3P1N1P/8 w - - 0 1)
Kraemer, Wilhelm
Die Schwalbe, 1942
#2
10 + 10
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd4
- 2.Sxh3#
- 2.Qxg5#
- 1...Rc5
- 2.Sxd3#
- 2.Sxh3#
- 1...Re5
- 2.Sxd3#
- 2.Sxh3#
- 1...Rf5
- 2.Sxd3#
- 2.Sxh3#
- 1...Rd6
- 2.Sxh3#
- 2.Qxg5#
- 1...Rd7
- 2.Sxh3#
- 2.Qxg5#
- 1...Rd8
- 2.Sxh3#
- 2.Qxg5#
- 1...Rd4
- Tries
- 1.Ka6?
- 1...Rd4
- 2.Sxh3#
- 2.Qxg5#
- 1...Rc5
- 2.Sxd3#
- 2.Sxh3#
- 1...Re5
- 2.Sxd3#
- 2.Sxh3#
- 1...Rf5
- 2.Sxd3#
- 2.Sxh3#
- 1...Rd7
- 2.Sxh3#
- 2.Qxg5#
- 1...Rd8
- 2.Sxh3#
- 2.Qxg5#
- 1...Rd6+!
- 1...Rd4
- 1.Ka8?
- 1...Rd4
- 2.Sxh3#
- 2.Qxg5#
- 1...Rc5
- 2.Sxd3#
- 2.Sxh3#
- 1...Re5
- 2.Sxd3#
- 2.Sxh3#
- 1...Rf5
- 2.Sxd3#
- 2.Sxh3#
- 1...Rd6
- 2.Sxh3#
- 2.Qxg5#
- 1...Rd7
- 2.Sxh3#
- 2.Qxg5#
- 1...Rd8+!
- 1...Rd4
- 1.Kb8?
- 1...Rd4
- 2.Sxh3#
- 2.Qxg5#
- 1...Rc5
- 2.Sxd3#
- 2.Sxh3#
- 1...Re5
- 2.Sxd3#
- 2.Sxh3#
- 1...Rf5
- 2.Sxd3#
- 2.Sxh3#
- 1...Rd6
- 2.Sxh3#
- 2.Qxg5#
- 1...Rd7
- 2.Sxh3#
- 2.Qxg5#
- 1...Rd8+!
- 1...Rd4
- 1.Sxd3+?
- 1...Rxd3
- 2.Qxg5#
- 1...Ke4!
- 1...Rxd3
- 1.Se5?
- threat
- 2.Sg6#
- 1...Rxe5
- 2.Sxd3#
- 2.Sxh3#
- 1...Kxe5!
- threat
- 1.Sxg5?
- threat
- 2.Sgxh3#
- 1...Rxg5
- 2.Sxd3#
- 1...Rf5
- 2.Sxd3#
- 1...Ke5!
- threat
- 1.Bc6?
- 1...Rd4
- 2.Sxh3#
- 2.Qxg5#
- 1...Rc5
- 2.Sxd3#
- 2.Sxh3#
- 1...Re5
- 2.Sxd3#
- 2.Sxh3#
- 1...Rf5
- 2.Sxd3#
- 2.Sxh3#
- 1...Rd6
- 2.Sxh3#
- 2.Qxg5#
- 1...Rd8
- 2.Sxh3#
- 2.Qxg5#
- 1...Rd7+!
- 1...Rd4
- 1.Ba8?
- 1...Rd4
- 2.Sxh3#
- 2.Qxg5#
- 1...Rc5
- 2.Sxd3#
- 2.Sxh3#
- 1...Re5
- 2.Sxd3#
- 2.Sxh3#
- 1...Rf5
- 2.Sxd3#
- 2.Sxh3#
- 1...Rd6
- 2.Sxh3#
- 2.Qxg5#
- 1...Rd8
- 2.Sxh3#
- 2.Qxg5#
- 1...Rd7+!
- 1...Rd4
- 1.Rxc4+?
- 1...Rd4
- 2.Sxd3#
- 2.Sxh3#
- 2.Rxd4#
- 2.Qxg5#
- 1...bxc4!
- 1...Rd4
- 1.Qg6?
- threat
- 2.Qe4#
- 1...Rd4
- 2.Qf5#
- 2.Qxg5#
- 1...Rf5
- 2.Qxf5#
- 1...Re5!
- threat
- 1.Qh7?
- threat
- 2.Qe4#
- 1...Rd4
- 2.Qf5#
- 1...Rf5
- 2.Qxf5#
- 1...Re5!
- threat
- 1.Ka6?
- Keys
- 1.Qh8!
- 1...Rc5
- 2.Qd4#
- 1...Rd4
- 2.Qxd4#
- 1...Re5
- 2.Qxe5#
- 1...Rf5
- 2.Qd4#
- 1...Rd6
- 2.Qe5#
- 1...Rd7
- 2.Qe5#
- 1...Rd8
- 2.Qe5#
- 1...Rc5
- 1.Qh8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 0
- Sets
- Tries
- Try
- K(H);P-FLIGHT
- Refutation
- R(h);CHECK
- Try
- K(H);P-FLIGHT
- Refutation
- R(h);CHECK
- Try
- K(H);S_FLIGHT
- Refutation
- R(h);CHECK
- Try
- S(B);CHECK,XP(a)
- Vars
- R(h);XS(B)::QAB1(F),XP(i)
- Refutation
- K(e);P-FLIGHT,P_SPINR(h)
- Try
- S(J);
- Threat
- S(J)
- Refutation
- K(e);N_SPINS(d),P_SPINP(i),S_FLIGHT,XS(J)
- Try
- S(J);XP(i)
- Threat
- S(J),XP(c)
- Vars
- R(h);N_GUARD,XS(J)::S(B),XP(a)
- R(h);N_GUARD::S(B),XP(a)
- Refutation
- K(e);N_SPINS(d),S_FLIGHT
- Try
- B(I);
- Refutation
- R(h);CHECK
- Try
- B(I);
- Refutation
- R(h);CHECK
- Try
- R(D);CHECK,XS(d)
- Refutation
- P(g);XR(D)
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- R(h);N_GUARD::QAR1(F),XR(h)
- Refutation
- R(h);
- Try
- Q(F);
- Threat
- QAR1(F)
- Vars
- R(h);N_GUARD,N_SPINS(d)::QAR1(F)
- R(h);N_GUARD::QAR1(F),XR(h)
- Refutation
- R(h);
- Try
- Actual
- Q(F);
- Vars
- R(h);N_GUARD::QAR2(F)
- R(h);N_GUARD,N_SPINS(d)::QAR2(F),XR(h)
- R(h);N_GUARD::QAB1(F),XR(h)
- R(h);N_GUARD::QAB1(F)
- R(h);N_GUARD,P_PINB(I)::QAB1(F)
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).