MESON Chess Problem Database
Problem Display
PID: 28313 (8/1p2N3/1P6/6bR/3k4/P3RP2/4B3/5KQ1 w - - 0 1)
Andrade, Barry Jack da Costa
British Chess Magazine, 1925
#2
9 + 3
| 3242 | BCPS Rapid Solving (Cheltenham) | 2001 |
SOLUTION
- SOUND
- Sets
- 1...Kc5
- 2.Re6#
- 1...Bxe3
- 2.Qg7#
- 1...Bf4
- 2.Rd5#
- 1...Bh4
- 2.Rd5#
- 1...Bf6
- 2.Rb3#
- 2.Rd5#
- 1...Bh6
- 2.Rd5#
- 1...Bxe7
- 2.Rb3#
- 1...Kc5
- Tries
- 1.Ke1?
- 1...Kc5
- 2.Re6#
- 1...Bxe3
- 2.Qg7#
- 1...Bxe7
- 2.Rb3#
- 1...Bf4
- 2.Rd5#
- 1...Bf6
- 2.Rb3#
- 2.Rd5#
- 1...Bh6
- 2.Rd5#
- 1...Bh4+!
- 1...Kc5
- 1.Bb5?
- 1...Bxe3
- 2.Qg7#
- 1...Bxe7
- 2.Rb3#
- 2.Rd3#
- 1...Bf4
- 2.Rd3#
- 2.Rd5#
- 1...Bh4
- 2.Rd3#
- 2.Rd5#
- 1...Bf6
- 2.Rb3#
- 2.Rd3#
- 2.Rd5#
- 1...Bh6
- 2.Rd3#
- 2.Rd5#
- 1...Kc5!
- 1...Bxe3
- 1.Ba6?
- 1...Kc5
- 2.Rd3#
- 2.Re6#
- 1...Bxe3
- 2.Qg7#
- 1...Bxe7
- 2.Rb3#
- 2.Rd3#
- 1...Bf4
- 2.Rd3#
- 2.Rd5#
- 1...Bh4
- 2.Rd3#
- 2.Rd5#
- 1...Bf6
- 2.Rb3#
- 2.Rd3#
- 2.Rd5#
- 1...Bh6
- 2.Rd3#
- 2.Rd5#
- 1...bxa6!
- 1...Kc5
- 1.Rb3+?
- 1...Be3
- 2.Rd5#
- 2.Qxe3#
- 2.Qg7#
- 1...Ke5!
- 1...Be3
- 1.Re6+?
- 1...Be3
- 2.Qxe3#
- 2.Qg7#
- 1...Kc3!
- 1...Be3
- 1.Qf2?
- 1...Kc5
- 2.Re6#
- 1...Bxe7
- 2.Rb3#
- 1...Bf4
- 2.Rd5#
- 1...Bh4
- 2.Rd5#
- 1...Bf6
- 2.Rb3#
- 2.Rd5#
- 1...Bh6
- 2.Rd5#
- 1...Bxe3!
- 1...Kc5
- 1.Qg4+?
- 1...Kc5
- 2.Qb4#
- 1...Bf4
- 2.Qxf4#
- 1...Kxe3!
- 1...Kc5
- 1.a4?
- 1...Bxe3
- 2.Qg7#
- 1...Bxe7
- 2.Ra3#
- 2.Rb3#
- 1...Bf4
- 2.Rd5#
- 1...Bh4
- 2.Rd5#
- 1...Bf6
- 2.Ra3#
- 2.Rb3#
- 2.Rd5#
- 1...Bh6
- 2.Rd5#
- 1...Kc5!
- 1...Bxe3
- 1.f4?
- 1...Kc5
- 2.Re6#
- 1...Bxf4
- 2.Rd5#
- 1...Bh4
- 2.Rd5#
- 1...Bf6
- 2.Rd5#
- 1...Bh6
- 2.Rd5#
- 1...Bxe7!
- 1...Kc5
- 1.Ke1?
- Keys
- 1.Kg2!
- 1...Kc5
- 2.Re6#
- 1...Bxe3
- 2.Qa1#
- 1...Bxe7
- 2.Rb3#
- 1...Bf4
- 2.Rd5#
- 1...Bh4
- 2.Rd5#
- 1...Bf6
- 2.Rb3#
- 2.Rd5#
- 1...Bh6
- 2.Rd5#
- 1...Kc5
- 1.Kg2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- K(a);P_SPINB(b),S_FLIGHT::QAB(B)+R(E)
- B(b);OGATE,P_SPINB(b),SBLOCK,XR(E)::QAB(B)
- B(b);OGATE::R1(G)
- B(b);N_GUARD,XS(I)::QAB(B)+R(E)
- Tries
- Try
- K(A);P-FLIGHT
- Vars
- K(a);P_SPINB(b),S_FLIGHT::QAB(B)+R(E)
- B(b);OGATE,P_SPINB(b),SBLOCK,XR(E)::QAB(B)
- B(b);N_GUARD,XS(I)::QAB(B)+R(E)
- B(b);OGATE::R1(G)
- Refutation
- B(b);CHECK
- Try
- B(C);
- Vars
- B(b);OGATE,P_SPINB(b),SBLOCK,XR(E)::QAB(B)
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- B(C);
- Vars
- B(b);OGATE,P_SPINB(b),SBLOCK,XR(E)::QAB(B)
- Refutation
- P(c);XB(C)
- Try
- R(E);CHECK
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- R(E);CHECK
- Refutation
- K(a);S_FLIGHT
- Try
- Q(B);
- Vars
- K(a);P_SPINB(b),S_FLIGHT::QAB(B)+R(E)
- B(b);N_GUARD,XS(I)::QAB(B)+R(E)
- B(b);OGATE::R1(G)
- Refutation
- B(b);P_SPINB(b),XR(E)
- Try
- Q(B);CHECK
- Vars
- K(a);OGATE,P_SPINB(b),S_FLIGHT::QAB1(B)
- B(b);N_GUARD,P_SPINB(b)::QAR2(B),XB(b)
- Refutation
- K(a);S_FLIGHT,XR(E)
- Try
- P(D);
- Vars
- B(b);OGATE,P_SPINB(b),SBLOCK,XR(E)::QAB(B)
- B(b);OGATE::R1(G)
- Refutation
- K(a);P_SPINB(b),S_FLIGHT
- Try
- P(F);
- Vars
- K(a);P_SPINB(b),S_FLIGHT::QAB(B)+R(E)
- B(b);OGATE,XP(F)::R1(G)
- B(b);OGATE::R1(G)
- Refutation
- B(b);XS(I)
- Try
- Actual
- K(A);S_FLIGHT
- Vars
- K(a);P_SPINB(b),S_FLIGHT::QAB(B)+R(E)
- B(b);P_SPINB(b),SBLOCK,XR(E)::QAB(B)
- B(b);N_GUARD,XS(I)::QAB(B)+R(E)
- B(b);OGATE::R1(G)
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).