MESON Chess Problem Database
Problem Display
PID: 114828 (3N4/2p5/2Pb3p/3kp2R/8/prp1Q3/p3B1K1/B2N4 w - - 0 1)
Andrade, Barry Jack da Costa
Empire Review, 1924
#2
8 + 9
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Sxc3#
- 1...Rb2
- 2.Sxc3#
- 1...Rb4
- 2.Sxc3#
- 1...Rb5
- 2.Sxc3#
- 1...Rb6
- 2.Sxc3#
- 1...Rb7
- 2.Sxc3#
- 1...Rb8
- 2.Sxc3#
- 1...Bb4
- 2.Qxe5#
- 1...Bc5
- 2.Qxe5#
- 1...Be7
- 2.Qxe5#
- 1...Bf8
- 2.Qxe5#
- 1...c2
- 2.Qd4#
- 1...Rb1
- Tries
- 1.Kf1?
- 1...Bb4
- 2.Qxe5#
- 1...Bc5
- 2.Qxe5#
- 1...Be7
- 2.Qxe5#
- 1...Bf8
- 2.Qxe5#
- 1...Rb2
- 2.Sxc3#
- 1...Rb4
- 2.Sxc3#
- 1...Rb5
- 2.Sxc3#
- 1...Rb6
- 2.Sxc3#
- 1...Rb7
- 2.Sxc3#
- 1...Rb8
- 2.Sxc3#
- 1...c2
- 2.Qd4#
- 1...Rb1!
- 1...Bb4
- 1.Kh1?
- 1...Bb4
- 2.Qxe5#
- 1...Bc5
- 2.Qxe5#
- 1...Be7
- 2.Qxe5#
- 1...Bf8
- 2.Qxe5#
- 1...Rb2
- 2.Sxc3#
- 1...Rb4
- 2.Sxc3#
- 1...Rb5
- 2.Sxc3#
- 1...Rb6
- 2.Sxc3#
- 1...Rb7
- 2.Sxc3#
- 1...Rb8
- 2.Sxc3#
- 1...c2
- 2.Qd4#
- 1...Rb1!
- 1...Bb4
- 1.Kf2?
- 1...Bb4
- 2.Qxe5#
- 1...Be7
- 2.Qxe5#
- 1...Bf8
- 2.Qxe5#
- 1...Rb1
- 2.Sxc3#
- 1...Rb2
- 2.Sxc3#
- 1...Rb4
- 2.Sxc3#
- 1...Rb5
- 2.Sxc3#
- 1...Rb6
- 2.Sxc3#
- 1...Rb7
- 2.Sxc3#
- 1...Rb8
- 2.Sxc3#
- 1...c2
- 2.Qd4#
- 1...Bc5!
- 1...Bb4
- 1.Kf3?
- 1...Bb4
- 2.Qxe5#
- 1...Bc5
- 2.Qxe5#
- 1...Be7
- 2.Qxe5#
- 1...Bf8
- 2.Qxe5#
- 1...Rb1
- 2.Sxc3#
- 1...Rb2
- 2.Sxc3#
- 1...Rb4
- 2.Sxc3#
- 1...Rb5
- 2.Sxc3#
- 1...Rb6
- 2.Sxc3#
- 1...Rb7
- 2.Sxc3#
- 1...Rb8
- 2.Sxc3#
- 1...c2!
- 1...Bb4
- 1.Kg3?
- 1...Bb4
- 2.Qxe5#
- 1...Bc5
- 2.Qxe5#
- 1...Be7
- 2.Qxe5#
- 1...Bf8
- 2.Qxe5#
- 1...Rb1
- 2.Sxc3#
- 1...Rb2
- 2.Sxc3#
- 1...Rb4
- 2.Sxc3#
- 1...Rb5
- 2.Sxc3#
- 1...Rb6
- 2.Sxc3#
- 1...Rb7
- 2.Sxc3#
- 1...Rb8
- 2.Sxc3#
- 1...c2!
- 1...Bb4
- 1.Kh3?
- 1...Bb4
- 2.Qxe5#
- 1...Bc5
- 2.Qxe5#
- 1...Be7
- 2.Qxe5#
- 1...Bf8
- 2.Qxe5#
- 1...Rb1
- 2.Sxc3#
- 1...Rb2
- 2.Sxc3#
- 1...Rb4
- 2.Sxc3#
- 1...Rb5
- 2.Sxc3#
- 1...Rb6
- 2.Sxc3#
- 1...Rb7
- 2.Sxc3#
- 1...Rb8
- 2.Sxc3#
- 1...c2!
- 1...Bb4
- 1.Bxc3?
- threat
- 2.Qd4#
- 1...Rxc3
- 2.Sxc3#
- 1...Bc5
- 2.Qxe5#
- 1...Rb4!
- threat
- 1.Bf1?
- 1...Bb4
- 2.Qxe5#
- 1...Bc5
- 2.Qxe5#
- 1...Be7
- 2.Qxe5#
- 1...Bf8
- 2.Qxe5#
- 1...Rb1
- 2.Sxc3#
- 1...Rb4
- 2.Sxc3#
- 1...Rb5
- 2.Sxc3#
- 1...Rb6
- 2.Sxc3#
- 1...Rb7
- 2.Sxc3#
- 1...Rb8
- 2.Sxc3#
- 1...c2
- 2.Qd4#
- 1...Rb2+!
- 1...Bb4
- 1.Bd3?
- 1...Bb4
- 2.Qxe5#
- 1...Bc5
- 2.Qxe5#
- 1...Be7
- 2.Qxe5#
- 1...Bf8
- 2.Qxe5#
- 1...Rb1
- 2.Sxc3#
- 1...Rb4
- 2.Sxc3#
- 1...Rb5
- 2.Sxc3#
- 1...Rb6
- 2.Sxc3#
- 1...Rb7
- 2.Sxc3#
- 1...Rb8
- 2.Sxc3#
- 1...c2
- 2.Qd4#
- 1...Rb2+!
- 1...Bb4
- 1.Rf5?
- 1...Bb4
- 2.Qxe5#
- 1...Bc5
- 2.Qxe5#
- 1...Be7
- 2.Qxe5#
- 1...Bf8
- 2.Qxe5#
- 1...Rb1
- 2.Sxc3#
- 1...Rb2
- 2.Sxc3#
- 1...Rb4
- 2.Sxc3#
- 1...Rb5
- 2.Sxc3#
- 1...Rb6
- 2.Sxc3#
- 1...Rb7
- 2.Sxc3#
- 1...Rb8
- 2.Sxc3#
- 1...c2
- 2.Qd4#
- 1...h5!
- 1...Bb4
- 1.Qf3+?
- 1...Kd4
- 2.Se6#
- 1...Kc5!
- 1...Kd4
- 1.Kf1?
- Keys
- 1.Kh2!
- 1...Bb4
- 2.Qxe5#
- 1...Bc5
- 2.Qxe5#
- 1...Be7
- 2.Qxe5#
- 1...Bf8
- 2.Qxe5#
- 1...Rb1
- 2.Sxc3#
- 1...Rb2
- 2.Sxc3#
- 1...Rb4
- 2.Sxc3#
- 1...Rb5
- 2.Sxc3#
- 1...Rb6
- 2.Sxc3#
- 1...Rb7
- 2.Sxc3#
- 1...Rb8
- 2.Sxc3#
- 1...c2
- 2.Qd4#
- 1...Bb4
- 1.Kh2!
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::S(B),XP(d)
- R(c);N_GUARD,P_PINB(C)::S(B),XP(d)
- B(g);N_GUARD::QAR1(E),XP(f)
- B(g);N_GUARD,SBLOCK::QAR1(E),XP(f)
- P(d);::QAR1(E)
- Tries
- Try
- K(D);S_FLIGHT
- Vars
- B(g);N_GUARD::QAR1(E),XP(f)
- B(g);N_GUARD,SBLOCK::QAR1(E),XP(f)
- R(c);N_GUARD::S(B),XP(d)
- P(d);::QAR1(E)
- Refutation
- R(c);P_PINS(B)
- Try
- K(D);S_FLIGHT
- Vars
- B(g);N_GUARD::QAR1(E),XP(f)
- B(g);N_GUARD,SBLOCK::QAR1(E),XP(f)
- R(c);N_GUARD::S(B),XP(d)
- P(d);::QAR1(E)
- Refutation
- R(c);P_PINS(B)
- Try
- K(D);P-FLIGHT
- Vars
- B(g);N_GUARD::QAR1(E),XP(f)
- R(c);N_GUARD::S(B),XP(d)
- R(c);N_GUARD,P_PINB(C)::S(B),XP(d)
- P(d);::QAR1(E)
- Refutation
- B(g);P_PINQ(E)
- Try
- K(D);S_FLIGHT
- Vars
- B(g);N_GUARD::QAR1(E),XP(f)
- B(g);N_GUARD,SBLOCK::QAR1(E),XP(f)
- R(c);N_GUARD::S(B),XP(d)
- Refutation
- P(d);P_PINQ(E)
- Try
- K(D);P-FLIGHT
- Vars
- B(g);N_GUARD::QAR1(E),XP(f)
- B(g);N_GUARD,SBLOCK::QAR1(E),XP(f)
- R(c);N_GUARD::S(B),XP(d)
- Refutation
- P(d);P_PINQ(E)
- Try
- K(D);S_FLIGHT
- Vars
- B(g);N_GUARD::QAR1(E),XP(f)
- B(g);N_GUARD,SBLOCK::QAR1(E),XP(f)
- R(c);N_GUARD::S(B),XP(d)
- Refutation
- P(d);P_PINQ(E)
- Try
- B(A);XP(d)
- Threat
- QAR1(E)
- Vars
- R(c);XB(A)::S(B),XR(c)
- B(g);N_GUARD,SBLOCK::QAR1(E),XP(f)
- Refutation
- R(c);
- Try
- B(C);
- Vars
- B(g);N_GUARD::QAR1(E),XP(f)
- B(g);N_GUARD,SBLOCK::QAR1(E),XP(f)
- R(c);N_GUARD::S(B),XP(d)
- P(d);::QAR1(E)
- Refutation
- R(c);CHECK
- Try
- B(C);
- Vars
- B(g);N_GUARD::QAR1(E),XP(f)
- B(g);N_GUARD,SBLOCK::QAR1(E),XP(f)
- R(c);N_GUARD::S(B),XP(d)
- P(d);::QAR1(E)
- Refutation
- R(c);CHECK
- Try
- R(F);
- Vars
- B(g);N_GUARD::QAR1(E),XP(f)
- B(g);N_GUARD,SBLOCK::QAR1(E),XP(f)
- R(c);N_GUARD::S(B),XP(d)
- R(c);N_GUARD,P_PINB(C)::S(B),XP(d)
- P(d);::QAR1(E)
- Refutation
- P(h);
- Try
- Q(E);CHECK
- Vars
- K(e);N_SPINP(f),P-FLIGHT,P_SPINP(d)::S(H)
- Refutation
- K(e);P-FLIGHT
- Try
- Actual
- K(D);P-FLIGHT
- Vars
- B(g);N_GUARD::QAR1(E),XP(f)
- B(g);N_GUARD,SBLOCK::QAR1(E),XP(f)
- R(c);N_GUARD::S(B),XP(d)
- R(c);N_GUARD,P_PINB(C)::S(B),XP(d)
- P(d);::QAR1(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).