MESON Chess Problem Database
Problem Display
PID: 181785 (rr1N3n/k4p1P/1q3Q1K/1P6/8/8/5B2/8 w - - 0 1)
Kubbel, Leonid Ivanovich (AKA Kubbel, Karl Artur Leonid)
Schweizerische Schachzeitung, 1905
#2
6 + 6
| 6490 | yacpdb | 2018 |
SOLUTION
- SOUND
- Sets
- 1...Qxf2
- 2.Qa6#
- 1...Qd4
- 2.Qa6#
- 1...Qc5
- 2.Qa6#
- 1...Rb7
- 2.Sc6#
- 1...Rc8
- 2.Qxb6#
- 1...Rxd8
- 2.Qxb6#
- 1...Sg6
- 2.Qa1#
- 1...Qxf2
- Tries
- 1.Kh5?
- threat
- 2.Qa1#
- 1...Qxf2
- 2.Qa6#
- 1...Rxd8
- 2.Qxb6#
- 1...Rb7
- 2.Sc6#
- 1...Rc8
- 2.Qxb6#
- 1...Qe3
- 2.Qa6#
- 1...Qd4
- 2.Qa6#
- 1...Qc5+!
- threat
- 1.Kg7?
- threat
- 2.Qa1#
- 1...Qxf2
- 2.Qa6#
- 1...Rxd8
- 2.Qxb6#
- 1...Rb7
- 2.Sc6#
- 1...Rc8
- 2.Qxb6#
- 1...Qe3
- 2.Qa6#
- 1...Qc5
- 2.Qa6#
- 1...Qd4!
- threat
- 1.Bg1?
- 1...Qxg1
- 2.Qa6#
- 1...Rxd8
- 2.Qxb6#
- 1...Rb7
- 2.Sc6#
- 1...Rc8
- 2.Qxb6#
- 1...Qf2
- 2.Qa6#
- 1...Qd4
- 2.Qa6#
- 1...Qc5
- 2.Qa6#
- 1...Sg6
- 2.Qa1#
- 1...Qe3+!
- 1...Qxg1
- 1.Be3?
- 1...Rxd8
- 2.Qxb6#
- 1...Rb7
- 2.Sc6#
- 1...Rc8
- 2.Qxb6#
- 1...Qd4
- 2.Qa6#
- 1...Qc5
- 2.Qa6#
- 1...Sg6
- 2.Qa1#
- 1...Qxe3+!
- 1...Rxd8
- 1.Bd4?
- 1...Qxd4
- 2.Qa6#
- 1...Rxd8
- 2.Qxb6#
- 1...Rb7
- 2.Sc6#
- 1...Rc8
- 2.Qxb6#
- 1...Qc5
- 2.Qa6#
- 1...Sg6!
- 1...Qxd4
- 1.Kh5?
- Keys
- 1.Bc5!
- 1...Qxc5
- 2.Qa6#
- 1...Rxd8
- 2.Qxb6#
- 1...Rb7
- 2.Sc6#
- 1...Rc8
- 2.Qxb6#
- 1...Sg6
- 2.Qa1#
- 1...Qxc5
- 1.Bc5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 2
- Sets
- Q(a);N_PINQ(C),N_SPINQ(a),XB(A)::QAR1(C)
- Q(a);N_PINQ(C)::QAR1(C)
- R(e);SBLOCK::S(F)
- R(e);N_GUARD::QAB1(C),XQ(a)
- R(e);N_GUARD,XS(F)::QAB1(C),XQ(a)
- S(f);N_PINQ(C)::QAR(C)
- Tries
- Try
- K(D);N_SPINQ(C),P-FLIGHT
- Threat
- QAR(C)
- Vars
- Q(a);N_SPINQ(a),OGATE,XB(A)::QAR1(C)
- R(e);N_GUARD,XS(F)::QAB1(C),XQ(a)
- R(e);SBLOCK::S(F)
- R(e);N_GUARD::QAB1(C),XQ(a)
- Q(a);OGATE::QAR1(C)
- Refutation
- Q(a);CHECK
- Try
- K(D);N_SPINQ(C),S_FLIGHT
- Threat
- QAR(C)
- Vars
- Q(a);N_SPINQ(a),OGATE,XB(A)::QAR1(C)
- R(e);N_GUARD,XS(F)::QAB1(C),XQ(a)
- R(e);SBLOCK::S(F)
- R(e);N_GUARD::QAB1(C),XQ(a)
- Q(a);OGATE::QAR1(C)
- Refutation
- Q(a);P_PINQ(C)
- Try
- B(A);
- Vars
- Q(a);N_PINQ(C),N_SPINQ(a),XB(A)::QAR1(C)
- R(e);N_GUARD,XS(F)::QAB1(C),XQ(a)
- R(e);SBLOCK::S(F)
- R(e);N_GUARD::QAB1(C),XQ(a)
- Q(a);N_PINQ(C)::QAR1(C)
- S(f);N_PINQ(C)::QAR(C)
- Refutation
- Q(a);CHECK,N_PINQ(C)
- Try
- B(A);
- Vars
- R(e);N_GUARD,XS(F)::QAB1(C),XQ(a)
- R(e);SBLOCK::S(F)
- R(e);N_GUARD::QAB1(C),XQ(a)
- Q(a);N_PINQ(C)::QAR1(C)
- S(f);N_PINQ(C)::QAR(C)
- Refutation
- Q(a);CHECK,N_PINQ(C),N_SPINQ(a),XB(A)
- Try
- B(A);
- Vars
- Q(a);N_PINQ(C),N_SPINQ(a),XB(A)::QAR1(C)
- R(e);N_GUARD,XS(F)::QAB1(C),XQ(a)
- R(e);SBLOCK::S(F)
- R(e);N_GUARD::QAB1(C),XQ(a)
- Q(a);N_PINQ(C)::QAR1(C)
- Refutation
- S(f);N_PINQ(C)
- Try
- Actual
- B(A);
- Vars
- Q(a);N_PINQ(C),N_SPINQ(a),XB(A)::QAR1(C)
- R(e);N_GUARD,XS(F)::QAB1(C),XQ(a)
- R(e);SBLOCK::S(F)
- R(e);N_GUARD::QAB1(C),XQ(a)
- S(f);N_PINQ(C)::QAR(C)
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).