MESON Chess Problem Database
Problem Display
PID: 91488 (8/1p4K1/1Rb5/7k/4nQ2/4B3/8/8 w - - 0 1)
Willemsens, Luis Cornelis
Probleemblad, 1953
#2
4 + 4
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Ba4
- 2.Rh6#
- 1...Bb5
- 2.Rh6#
- 1...Bd5
- 2.Rh6#
- 1...Bd7
- 2.Rh6#
- 1...Be8
- 2.Rh6#
- 1...Sd2
- 2.Qg5#
- 1...Sf2
- 2.Qg5#
- 1...Sc3
- 2.Qg5#
- 1...Sg3
- 2.Qg5#
- 1...Sc5
- 2.Qg5#
- 1...Sg5
- 2.Qxg5#
- 1...Sd6
- 2.Qg5#
- 1...Sf6
- 2.Qg5#
- 1...Ba4
- Tries
- 1.Kh7?
- 1...Sg5+
- 2.Qxg5#
- 1...Ba4
- 2.Rh6#
- 1...Bb5
- 2.Rh6#
- 1...Bd5
- 2.Rh6#
- 1...Bd7
- 2.Rh6#
- 1...Be8
- 2.Rh6#
- 1...Sd2
- 2.Qg5#
- 1...Sf2
- 2.Qg5#
- 1...Sc3
- 2.Qg5#
- 1...Sg3
- 2.Qg5#
- 1...Sc5
- 2.Qg5#
- 1...Sd6
- 2.Qg5#
- 1...Sf6+!
- 1...Sg5+
- 1.Kh8?
- 1...Sg5
- 2.Qxg5#
- 1...Ba4
- 2.Rh6#
- 1...Bb5
- 2.Rh6#
- 1...Bd5
- 2.Rh6#
- 1...Bd7
- 2.Rh6#
- 1...Be8
- 2.Rh6#
- 1...Sd2
- 2.Qg5#
- 1...Sf2
- 2.Qg5#
- 1...Sc3
- 2.Qg5#
- 1...Sg3
- 2.Qg5#
- 1...Sc5
- 2.Qg5#
- 1...Sd6
- 2.Qg5#
- 1...Sf6
- 2.Qg5#
- 1...Kg6!
- 1...Sg5
- 1.Bc1?
- 1...Ba4
- 2.Rh6#
- 1...Bb5
- 2.Rh6#
- 1...Bd5
- 2.Rh6#
- 1...Bd7
- 2.Rh6#
- 1...Be8
- 2.Rh6#
- 1...Sf2
- 2.Qg5#
- 1...Sc3
- 2.Qg5#
- 1...Sg3
- 2.Qg5#
- 1...Sc5
- 2.Qg5#
- 1...Sg5
- 2.Qxg5#
- 1...Sd6
- 2.Qg5#
- 1...Sf6
- 2.Qg5#
- 1...Sd2!
- 1...Ba4
- 1.Bd2?
- 1...Ba4
- 2.Rh6#
- 1...Bb5
- 2.Rh6#
- 1...Bd5
- 2.Rh6#
- 1...Bd7
- 2.Rh6#
- 1...Be8
- 2.Rh6#
- 1...Sf2
- 2.Qg5#
- 1...Sc3
- 2.Qg5#
- 1...Sg3
- 2.Qg5#
- 1...Sc5
- 2.Qg5#
- 1...Sg5
- 2.Qxg5#
- 1...Sd6
- 2.Qg5#
- 1...Sf6
- 2.Qg5#
- 1...Sxd2!
- 1...Ba4
- 1.Rb1?
- threat
- 2.Rh1#
- 1...Sd2
- 2.Qg5#
- 1...Sf2
- 2.Qg5#
- 1...Sc3
- 2.Qg5#
- 1...Sg3
- 2.Qg5#
- 1...Sc5
- 2.Qg5#
- 1...Sg5
- 2.Qxg5#
- 1...Sd6
- 2.Qg5#
- 1...Sf6
- 2.Qg5#
- 1...Bd7!
- threat
- 1.Rb2?
- threat
- 2.Rh2#
- 1...Sd2
- 2.Qg5#
- 1...Sf2
- 2.Qg5#
- 1...Sg5
- 2.Qxg5#
- 1...Bd7!
- threat
- 1.Rxc6?
- threat
- 2.Rh6#
- 1...Sd6
- 2.Qg5#
- 1...Sf6
- 2.Qg5#
- 1...bxc6!
- threat
- 1.Qg3?
- threat
- 2.Qh3#
- 1...Bd7
- 2.Rh6#
- 1...Sf2
- 2.Qg5#
- 1...Sg5
- 2.Qxg5#
- 1...Sxg3!
- threat
- 1.Qxe4?
- 1...Ba4
- 2.Rh6#
- 1...Bb5
- 2.Rxb5#
- 2.Rh6#
- 1...Bd5
- 2.Rh6#
- 1...Bd7
- 2.Rh6#
- 1...Be8
- 2.Rh6#
- 1...Bxe4!
- 1...Ba4
- 1.Qf5+?
- 1...Sg5
- 2.Qxg5#
- 1...Kh4!
- 1...Sg5
- 1.Kh7?
- Keys
- 1.Kf8!
- 1...Kg6
- 2.Qf7#
- 1...Sg5
- 2.Qxg5#
- 1...Ba4
- 2.Rh6#
- 1...Bb5
- 2.Rh6#
- 1...Bd5
- 2.Rh6#
- 1...Bd7
- 2.Rh6#
- 1...Be8
- 2.Rh6#
- 1...Sd2
- 2.Qg5#
- 1...Sf2
- 2.Qg5#
- 1...Sc3
- 2.Qg5#
- 1...Sg3
- 2.Qg5#
- 1...Sc5
- 2.Qg5#
- 1...Sd6
- 2.Qg5#
- 1...Sf6
- 2.Qg5#
- 1...Kg6
- 1.Kf8!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- B(c);OGATE::R1(C)
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- Tries
- Try
- K(D);P-FLIGHT
- Vars
- S(a);CHECK,N_GUARD::QAR1(B),XS(a)
- B(c);OGATE::R1(C)
- S(a);N_GUARD::QAR1(B)
- Refutation
- S(a);CHECK
- Try
- K(D);S_FLIGHT
- Vars
- S(a);N_GUARD::QAR1(B),XS(a)
- B(c);OGATE::R1(C)
- S(a);N_GUARD::QAR1(B)
- Refutation
- K(b);P_SPINB(c),S_FLIGHT
- Try
- B(A);
- Vars
- B(c);OGATE::R1(C)
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- Refutation
- S(a);
- Try
- B(A);
- Vars
- B(c);OGATE::R1(C)
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- Refutation
- S(a);XB(A)
- Try
- R(C);
- Threat
- R(C)
- Vars
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- Refutation
- B(c);
- Try
- R(C);
- Threat
- R(C)
- Vars
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- Refutation
- B(c);
- Try
- R(C);XB(c)
- Threat
- R1(C)
- Vars
- S(a);N_GUARD::QAR1(B)
- Refutation
- P(d);XR(C)
- Try
- Q(B);
- Threat
- QAR2(B)
- Vars
- B(c);OGATE::R1(C)
- S(a);N_GUARD::QAR1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- Refutation
- S(a);XQ(B)
- Try
- Q(B);XS(a)
- Vars
- B(c);OGATE::R1(C)
- Refutation
- B(c);XQ(B)
- Try
- Q(B);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAR1(B),XS(a)
- Refutation
- K(b);P-FLIGHT
- Try
- Actual
- K(D);S_FLIGHT
- Vars
- K(b);P_SPINB(c),S_FLIGHT::QAB1(B)
- S(a);N_GUARD::QAR1(B),XS(a)
- B(c);OGATE::R1(C)
- S(a);N_GUARD::QAR1(B)
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).