MESON Chess Problem Database
Problem Display
PID: 192713 (K1RR4/8/2p2P2/B1k1r3/5N2/N6p/1n4rp/7B w - - 0 1)
Andrade, Barry Jack da Costa
The Observer, 1939
(First published on Sun Jul 9 1939)
#2
8 + 7
| 15239 | Valois Notebooks | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rg1
- 2.Rxc6#
- 1...Rc2
- 2.Rxc6#
- 1...Rd2
- 2.Rxc6#
- 1...Rge2
- 2.Rxc6#
- 1...Rf2
- 2.Rxc6#
- 1...Rg3
- 2.Rxc6#
- 1...Rg4
- 2.Rxc6#
- 1...Rgg5
- 2.Rxc6#
- 1...Rg6
- 2.Rxc6#
- 1...Rg7
- 2.Rxc6#
- 1...Rg8
- 2.Rxc6#
- 1...Re1
- 2.Rd5#
- 1...Ree2
- 2.Rd5#
- 1...Re3
- 2.Rd5#
- 1...Re4
- 2.Rd5#
- 1...Rd5
- 2.Se6#
- 2.Rxd5#
- 1...Rf5
- 2.Se6#
- 1...Reg5
- 2.Se6#
- 1...Rh5
- 2.Se6#
- 1...Re6
- 2.Sxe6#
- 2.Rd5#
- 1...Re7
- 2.Rd5#
- 1...Re8
- 2.Rd5#
- 1...Sd1
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sa4
- 2.Sd3#
- 1...Sc4
- 2.Sd3#
- 1...Rg1
- Tries
- 1.Bxg2?
- threat
- 2.Rxc6#
- 1...Rd5
- 2.Se6#
- 2.Rxd5#
- 1...Re4
- 2.Rd5#
- 1...Re6
- 2.Sxe6#
- 2.Rd5#
- 1...hxg2!
- threat
- 1.Rc7?
- 1...Rd5
- 2.Se6#
- 2.Rxd5#
- 1...Re1
- 2.Rd5#
- 1...Rg1
- 2.Rxc6#
- 1...Rc2
- 2.Rxc6#
- 1...Rd2
- 2.Rxc6#
- 1...Rge2
- 2.Rxc6#
- 1...Rf2
- 2.Rxc6#
- 1...Rg3
- 2.Rxc6#
- 1...Rg4
- 2.Rxc6#
- 1...Rgg5
- 2.Rxc6#
- 1...Rg6
- 2.Rxc6#
- 1...Rg7
- 2.Rxc6#
- 1...Rg8
- 2.Rxc6#
- 1...Ree2
- 2.Rd5#
- 1...Re3
- 2.Rd5#
- 1...Re4
- 2.Rd5#
- 1...Rf5
- 2.Se6#
- 1...Reg5
- 2.Se6#
- 1...Rh5
- 2.Se6#
- 1...Re6
- 2.Sxe6#
- 2.Rd5#
- 1...Re7
- 2.Rd5#
- 1...Sd1
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sa4
- 2.Sd3#
- 1...Sc4
- 2.Sd3#
- 1...Re8!
- 1...Rd5
- 1.Rb8?
- threat
- 2.Bb4#
- 1...Rd5
- 2.Se6#
- 1...Sd3
- 2.Sxd3#
- 1...Re4!
- threat
- 1.Rd7?
- 1...Rd5
- 2.Se6#
- 2.Rxd5#
- 1...Re1
- 2.Rd5#
- 1...Rg1
- 2.Rxc6#
- 1...Rc2
- 2.Rxc6#
- 1...Rd2
- 2.Rxc6#
- 1...Rge2
- 2.Rxc6#
- 1...Rf2
- 2.Rxc6#
- 1...Rg3
- 2.Rxc6#
- 1...Rg4
- 2.Rxc6#
- 1...Rgg5
- 2.Rxc6#
- 1...Rg6
- 2.Rxc6#
- 1...Rg7
- 2.Rxc6#
- 1...Ree2
- 2.Rd5#
- 1...Re3
- 2.Rd5#
- 1...Re4
- 2.Rd5#
- 1...Rf5
- 2.Se6#
- 1...Reg5
- 2.Se6#
- 1...Rh5
- 2.Se6#
- 1...Re6
- 2.Sxe6#
- 2.Rd5#
- 1...Re7
- 2.Rd5#
- 1...Re8
- 2.Rd5#
- 1...Sd1
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sa4
- 2.Sd3#
- 1...Sc4
- 2.Sd3#
- 1...Rg8!
- 1...Rd5
- 1.f7?
- 1...Rd5
- 2.Se6#
- 2.Rxd5#
- 1...Re1
- 2.Rd5#
- 1...Rg1
- 2.Rxc6#
- 1...Rc2
- 2.Rxc6#
- 1...Rd2
- 2.Rxc6#
- 1...Rge2
- 2.Rxc6#
- 1...Rf2
- 2.Rxc6#
- 1...Rg3
- 2.Rxc6#
- 1...Rg4
- 2.Rxc6#
- 1...Rgg5
- 2.Rxc6#
- 1...Rg7
- 2.Rxc6#
- 1...Rg8
- 2.Rxc6#
- 1...Ree2
- 2.Rd5#
- 1...Re3
- 2.Rd5#
- 1...Re4
- 2.Rd5#
- 1...Rf5
- 2.Se6#
- 1...Reg5
- 2.Se6#
- 2.f8Q#
- 2.f8B#
- 1...Rh5
- 2.Se6#
- 2.f8Q#
- 2.f8B#
- 1...Re6
- 2.Sxe6#
- 2.Rd5#
- 1...Re7
- 2.Rd5#
- 1...Re8
- 2.Rd5#
- 1...Sd1
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sa4
- 2.Sd3#
- 1...Sc4
- 2.Sd3#
- 1...Rg6!
- 1...Rd5
- 1.Bxg2?
- Keys
- 1.Kb8!
- 1...Rd5
- 2.Se6#
- 2.Rxd5#
- 1...Rg1
- 2.Rxc6#
- 1...Rc2
- 2.Rxc6#
- 1...Rd2
- 2.Rxc6#
- 1...Rge2
- 2.Rxc6#
- 1...Rf2
- 2.Rxc6#
- 1...Rg3
- 2.Rxc6#
- 1...Rg4
- 2.Rxc6#
- 1...Rgg5
- 2.Rxc6#
- 1...Rg6
- 2.Rxc6#
- 1...Rg7
- 2.Rxc6#
- 1...Rg8
- 2.Rxc6#
- 1...Re1
- 2.Rd5#
- 1...Ree2
- 2.Rd5#
- 1...Re3
- 2.Rd5#
- 1...Re4
- 2.Rd5#
- 1...Rf5
- 2.Se6#
- 1...Reg5
- 2.Se6#
- 1...Rh5
- 2.Se6#
- 1...Re6
- 2.Sxe6#
- 2.Rd5#
- 1...Re7
- 2.Rd5#
- 1...Re8
- 2.Rd5#
- 1...Sd1
- 2.Sd3#
- 1...Sd3
- 2.Sxd3#
- 1...Sa4
- 2.Sd3#
- 1...Sc4
- 2.Sd3#
- 1...Rd5
- 1.Kb8!
There are these versions: 16316
FEATURES
- Static
- TYPE = WAITER
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(b);::R1(G),XP(g)
- R(f);N_GUARD::R1(H)
- R(f);N_GUARD::S(C)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- Tries
- Try
- B(A);XR(b)
- Threat
- R1(G),XP(g)
- Vars
- R(f);N_GUARD::R1(H)
- Refutation
- P(d);XB(A)
- Try
- R(G);
- Vars
- R(f);N_GUARD::R1(H)
- R(b);::R1(G),XP(g)
- R(b);P_PINR(H)::R1(G),XP(g)
- R(f);N_GUARD::S(C)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- Refutation
- R(f);P_PINR(H)
- Try
- R(G);N_PINP(g)
- Threat
- B(D)
- Vars
- R(f);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- Refutation
- R(f);
- Try
- R(H);
- Vars
- R(f);N_GUARD::R1(H)
- R(b);::R1(G),XP(g)
- R(f);N_GUARD::S(C)
- R(f);N_GUARD,P_PINR(G)::R1(H)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- Refutation
- R(b);P_PINR(G)
- Try
- P(E);
- Vars
- R(f);N_GUARD::R1(H)
- R(b);::R1(G),XP(g)
- R(f);N_GUARD::S(C)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
- Refutation
- R(b);
- Try
- Actual
- K(F);P-FLIGHT
- Vars
- R(b);::R1(G),XP(g)
- R(f);N_GUARD::R1(H)
- R(f);N_GUARD::S(C)
- S(a);N_GUARD::S(C)
- S(a);N_GUARD::S(C),XS(a)
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