MESON Chess Problem Database
Problem Display
PID: 81687 (5n1B/6R1/4b2n/1qp1Np2/2B5/p3N3/Pk3r1p/R6K w - - 0 1)
Andrade, Barry Jack da Costa
The Field, 1952
(First published on Sat Sep 20 1952)
#2
8 + 10
SOLUTION
- SOUND
- Tries
- 1.Sd3+?
- 1...Kxa1
- 2.Rg1#
- 1...Kc3!
- 1...Kxa1
- 1.Sf3?
- threat
- 2.Rgg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rh7#
- 2.Rg8#
- 1...Rf1+
- 2.Rg1#
- 1...Kxa1
- 2.Rg1#
- 1...Qxc4
- 2.Rb7#
- 1...Qd7
- 2.Rxd7#
- 1...Qb3
- 2.Rb7#
- 1...Qb4
- 2.Rb7#
- 1...Qa5
- 2.Rb7#
- 1...Qb7
- 2.Rxb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 1...Qb8
- 2.Rb7#
- 2.Rc7#
- 1...Rc2
- 2.Rg2#
- 1...Rd2
- 2.Rg2#
- 1...Rg2
- 2.Rxg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 1...Bd7
- 2.Rgg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rxd7#
- 2.Re7#
- 2.Rf7#
- 2.Rh7#
- 2.Rg8#
- 1...Bf7
- 2.Rgg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rxf7#
- 2.Rh7#
- 2.Rg8#
- 1...Bg8
- 2.Rgg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rh7#
- 2.Rxg8#
- 1...Sg4
- 2.Rxg4#
- 1...Sf7
- 2.Rxf7#
- 1...Sg8
- 2.Rxg8#
- 1...Sg6
- 2.Rxg6#
- 1...Sd7
- 2.Rxd7#
- 1...Sh7
- 2.Rxh7#
- 1...Kc3!
- threat
- 1.Sd3+?
- Keys
- 1.Sc6!
- threat
- 2.Rgg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rh7#
- 2.Rg8#
- 1...Qxc6+
- 2.Rg2#
- 1...Rf1+
- 2.Rg1#
- 1...Bd5+
- 2.Rg2#
- 1...Kxa1
- 2.Rg1#
- 1...Kc3
- 2.Rd7#
- 1...Qxc4
- 2.Rb7#
- 1...Qb3
- 2.Rb7#
- 1...Qb4
- 2.Rb7#
- 1...Qa5
- 2.Rb7#
- 1...Qb7
- 2.Rxb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 1...Qb8
- 2.Rb7#
- 2.Rc7#
- 1...Rc2
- 2.Rg2#
- 1...Rd2
- 2.Rg2#
- 1...Rg2
- 2.Rxg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 1...Rf4
- 2.Rg2#
- 1...Bd7
- 2.Rgg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rxd7#
- 2.Re7#
- 2.Rf7#
- 2.Rh7#
- 2.Rg8#
- 1...Bf7
- 2.Rgg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Rxf7#
- 2.Rh7#
- 2.Rg8#
- 1...Bg8
- 2.Rgg1#
- 2.Rg2#
- 2.Rg3#
- 2.Rg4#
- 2.Rg5#
- 2.Rg6#
- 2.Ra7#
- 2.Rb7#
- 2.Rc7#
- 2.Rd7#
- 2.Re7#
- 2.Rf7#
- 2.Rh7#
- 2.Rxg8#
- 1...Sg4
- 2.Rxg4#
- 1...Sf7
- 2.Rxf7#
- 1...Sg8
- 2.Rxg8#
- 1...Sg6
- 2.Rxg6#
- 1...Sd7
- 2.Rxd7#
- 1...Sh7
- 2.Rxh7#
- threat
- 1.Sc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 18
- REMOVED MATES = 0
- Sets
- Tries
- Try
- S(F);CHECK
- Vars
- K(a);S_FLIGHT,XR(A)::B(H)+R(G),DCHECK
- Refutation
- K(a);S_FLIGHT
- Try
- S(F);
- Threat
- DUALS(14)
- Vars
- R(b);CHECK::B(H)+R(G)
- K(a);S_FLIGHT,XR(A)::B(H)+R(G),DCHECK
- Q(e);XB(E)::B(H)+R(G),DCHECK
- Q(e);::B(H)+R(G),XQ(e)
- Q(e);::B(H)+R(G)
- Q(e);::B(H)+R(G),DCHECK
- R(b);::B(H)+R(G)
- S(i);::B(H)+R(G),XS(i)
- S(j);::B(H)+R(G),XS(j)
- Refutation
- K(a);S_FLIGHT
- Try
- Actual
- S(F);
- Threat
- DUALS(14)
- Vars
- Q(e);CHECK,XS(F)::B(H)+R(G)
- R(b);CHECK::B(H)+R(G)
- B(h);CHECK::B(H)+R(G)
- K(a);S_FLIGHT,XR(A)::B(H)+R(G),DCHECK
- K(a);S_FLIGHT::B(H)+R(G)
- Q(e);XB(E)::B(H)+R(G),DCHECK
- Q(e);::B(H)+R(G)
- Q(e);::B(H)+R(G),DCHECK
- R(b);::B(H)+R(G)
- R(b);::B(H)+R(G),DCHECK
- S(i);::B(H)+R(G),XS(i)
- S(j);::B(H)+R(G),XS(j)
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