MESON Chess Problem Database
Problem Display
PID: 161861 (3BK3/8/7b/6nk/8/8/6Q1/6R1 w - - 0 1)
Andreev, Aleksandr Grigorevich
Kuban segodniya, 1996
#2
4 + 3
| 15148 | Sadier Collection | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Kh4
- 2.Rh1#
- 2.Qh1#
- 2.Qh2#
- 2.Qg4#
- 1...Bg7
- 2.Qxg5#
- 1...Bf8
- 2.Qxg5#
- 1...Sf3
- 2.Qxf3#
- 2.Qg4#
- 2.Qg6#
- 1...Sh3
- 2.Qf3#
- 2.Qxh3#
- 2.Qe2#
- 2.Qg4#
- 2.Qg6#
- 1...Se4
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Se6
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Sf7
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Sh7
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Kh4
- Tries
- 1.Kd7?
- 1...Kh4
- 2.Rh1#
- 2.Qh1#
- 2.Qh2#
- 2.Qg4#
- 1...Bg7
- 2.Qxg5#
- 1...Bf8
- 2.Qxg5#
- 1...Sf3
- 2.Qxf3#
- 2.Qg4#
- 2.Qg6#
- 1...Sh3
- 2.Qf3#
- 2.Qxh3#
- 2.Qe2#
- 2.Qg4#
- 2.Qg6#
- 1...Se4
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Se6
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Sf7
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Sh7
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Kg6!
- 1...Kh4
- 1.Ba5?
- 1...Kh4
- 2.Qg4#
- 1...Bg7
- 2.Qxg5#
- 1...Bf8
- 2.Qxg5#
- 1...Sf3
- 2.Qg4#
- 1...Sh3
- 2.Qxh3#
- 2.Qg4#
- 1...Se4
- 2.Rh1#
- 2.Qh1#
- 2.Qh3#
- 2.Qh2#
- 2.Qg4#
- 1...Se6
- 2.Rh1#
- 2.Qh1#
- 2.Qh3#
- 2.Qh2#
- 2.Qg4#
- 1...Sf7
- 2.Rh1#
- 2.Qh1#
- 2.Qh3#
- 2.Qh2#
- 2.Qg4#
- 1...Sh7
- 2.Rh1#
- 2.Qh1#
- 2.Qh3#
- 2.Qh2#
- 2.Qg4#
- 1...Kg6!
- 1...Kh4
- 1.Bb6?
- 1...Kh4
- 2.Qg4#
- 1...Bg7
- 2.Qxg5#
- 1...Bf8
- 2.Qxg5#
- 1...Sf3
- 2.Qg4#
- 1...Sh3
- 2.Qxh3#
- 2.Qg4#
- 1...Se4
- 2.Rh1#
- 2.Qh1#
- 2.Qh3#
- 2.Qh2#
- 2.Qg4#
- 1...Se6
- 2.Rh1#
- 2.Qh1#
- 2.Qh3#
- 2.Qh2#
- 2.Qg4#
- 1...Sf7
- 2.Rh1#
- 2.Qh1#
- 2.Qh3#
- 2.Qh2#
- 2.Qg4#
- 1...Sh7
- 2.Rh1#
- 2.Qh1#
- 2.Qh3#
- 2.Qh2#
- 2.Qg4#
- 1...Kg6!
- 1...Kh4
- 1.Bf6?
- 1...Kh4
- 2.Rh1#
- 2.Qh1#
- 2.Qh2#
- 2.Qg4#
- 1...Bg7
- 2.Qxg5#
- 1...Bf8
- 2.Qxg5#
- 1...Sf3
- 2.Qxf3#
- 2.Qg4#
- 2.Qg6#
- 1...Sh3
- 2.Qf3#
- 2.Qxh3#
- 2.Qe2#
- 2.Qg4#
- 2.Qg6#
- 1...Se4
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Se6
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Sf7
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Sh7
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Kg6!
- 1...Kh4
- 1.Bc7?
- 1...Kh4
- 2.Qg4#
- 1...Bg7
- 2.Qxg5#
- 1...Bf8
- 2.Qxg5#
- 1...Sf3
- 2.Qg4#
- 1...Sh3
- 2.Qxh3#
- 2.Qg4#
- 1...Se4
- 2.Rh1#
- 2.Qh1#
- 2.Qh3#
- 2.Qh2#
- 2.Qg4#
- 1...Se6
- 2.Rh1#
- 2.Qh1#
- 2.Qh3#
- 2.Qh2#
- 2.Qg4#
- 1...Sf7
- 2.Rh1#
- 2.Qh1#
- 2.Qh3#
- 2.Qh2#
- 2.Qg4#
- 1...Sh7
- 2.Rh1#
- 2.Qh1#
- 2.Qh3#
- 2.Qh2#
- 2.Qg4#
- 1...Kg6!
- 1...Kh4
- 1.Be7?
- 1...Kh4
- 2.Rh1#
- 2.Qh1#
- 2.Qh2#
- 2.Qg4#
- 1...Bg7
- 2.Qxg5#
- 1...Bf8
- 2.Qxg5#
- 1...Sf3
- 2.Qxf3#
- 2.Qg4#
- 2.Qg6#
- 1...Sh3
- 2.Qf3#
- 2.Qxh3#
- 2.Qe2#
- 2.Qg4#
- 2.Qg6#
- 1...Se4
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Se6
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Sf7
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Sh7
- 2.Rh1#
- 2.Qh1#
- 2.Qf3#
- 2.Qh3#
- 2.Qe2#
- 2.Qh2#
- 2.Qg4#
- 2.Qg6#
- 1...Kg6!
- 1...Kh4
- 1.Rh1+?
- 1...Sh3
- 2.Rxh3#
- 1...Kg6!
- 1...Sh3
- 1.Qh1+?
- 1...Sh3
- 2.Qf3#
- 2.Qxh3#
- 1...Kg6!
- 1...Sh3
- 1.Qf3+?
- 1...Kh4
- 2.Rh1#
- 2.Qh1#
- 2.Qg4#
- 1...Kg6
- 2.Qf7#
- 1...Sxf3!
- 1...Kh4
- 1.Qe2+?
- 1...Kh4
- 2.Qg4#
- 2.Qh2#
- 1...Sf3
- 2.Qxf3#
- 1...Kg6!
- 1...Kh4
- 1.Qh2+?
- 1...Sh3
- 2.Qe2#
- 2.Qxh3#
- 1...Kg6!
- 1...Sh3
- 1.Qg3?
- 1...Bg7
- 2.Qxg5#
- 1...Bf8
- 2.Qxg5#
- 1...Sf3
- 2.Qxf3#
- 2.Qg4#
- 2.Qg6#
- 1...Sh3
- 2.Qh4#
- 2.Qf3#
- 2.Qxh3#
- 2.Qg4#
- 2.Qg6#
- 1...Se4
- 2.Rh1#
- 2.Qh2#
- 2.Qh4#
- 2.Qf3#
- 2.Qh3#
- 2.Qg4#
- 2.Qg6#
- 1...Se6
- 2.Rh1#
- 2.Qh2#
- 2.Qh4#
- 2.Qf3#
- 2.Qh3#
- 2.Qg4#
- 2.Qg6#
- 1...Sf7
- 2.Rh1#
- 2.Qh2#
- 2.Qh4#
- 2.Qf3#
- 2.Qh3#
- 2.Qg4#
- 2.Qg6#
- 1...Sh7
- 2.Rh1#
- 2.Qh2#
- 2.Qh4#
- 2.Qf3#
- 2.Qh3#
- 2.Qg4#
- 2.Qg6#
- 1...Kg6!
- 1...Bg7
- 1.Kd7?
- Keys
- 1.Qd5!
- 1...Kh4
- 2.Qh1#
- 1...Kg6
- 2.Qf7#
- 1...Bg7
- 2.Qxg5#
- 1...Bf8
- 2.Qxg5#
- 1...Kh4
- 1.Qd5!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- B(c);N_GUARD::QAR1(B),XS(a)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- B(c);N_GUARD::QAR1(B),XS(a)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- B(C);
- Vars
- K(b);P-FLIGHT::QAR1(B)
- B(c);N_GUARD::QAR1(B),XS(a)
- S(a);::QAB1(B)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- B(C);
- Vars
- K(b);P-FLIGHT::QAR1(B)
- B(c);N_GUARD::QAR1(B),XS(a)
- S(a);::QAB1(B)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- B(C);
- Vars
- B(c);N_GUARD::QAR1(B),XS(a)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- B(C);
- Vars
- K(b);P-FLIGHT::QAR1(B)
- B(c);N_GUARD::QAR1(B),XS(a)
- S(a);::QAB1(B)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- B(C);
- Vars
- B(c);N_GUARD::QAR1(B),XS(a)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- R(A);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::R(A),XS(a)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- Q(B);CHECK
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- Q(B);CHECK
- Vars
- K(b);P_SPINS(a),S_FLIGHT::QAB1(B)
- Refutation
- S(a);XQ(B)
- Try
- Q(B);CHECK
- Vars
- S(a);N_GUARD,P_SPINS(a)::QAB(B),XS(a)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- Q(B);CHECK
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- Q(B);
- Vars
- B(c);N_GUARD::QAR1(B),XS(a)
- Refutation
- K(b);P_SPINS(a),S_FLIGHT
- Try
- Actual
- Q(B);P_PINS(a)
- Vars
- K(b);P-FLIGHT::QAR(B)
- K(b);S_FLIGHT::QAB1(B)
- B(c);N_GUARD::QAR1(B),XS(a)
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).