MESON Chess Problem Database
Problem Display
PID: 409 (8/1p2p2Q/1P6/2K2nP1/4k3/p1PR1pB1/PbB5/1R1n4 w - - 0 1)
Warton, Joseph John
Warton, Thomas Joseph
The Observer, 1943
(First published on Sun Jul 18 1943)
#2
10 + 8
| 5606 | The Wangling Wizards | 2005 |
| 133 | The Problemist Supplement | 2013 |
| 15239 | Valois Notebooks | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Ba1
- 2.Rb4#
- 1...Bc1
- 2.Rb4#
- 1...Bxc3
- 2.Rxc3#
- 1...Sf2
- 2.Re1#
- 1...Sxc3
- 2.Rxc3#
- 1...Se3
- 2.Rd4#
- 1...f2
- 2.Qh1#
- 1...e5
- 2.Qxb7#
- 1...e6
- 2.Qxb7#
- 1...Ba1
- Tries
- 1.Bb8?
- 1...Bxc3
- 2.Rxc3#
- 1...Sxc3
- 2.Rxc3#
- 1...Ba1
- 2.Rb4#
- 1...Bc1
- 2.Rb4#
- 1...Sf2
- 2.Re1#
- 1...Se3
- 2.Rd4#
- 1...f2
- 2.Rg3#
- 2.Rh3#
- 2.Qh1#
- 1...e6
- 2.Qxb7#
- 1...e5!
- 1...Bxc3
- 1.Rbxd1?
- threat
- 2.Re1#
- 1...Bxc3
- 2.Rxc3#
- 1...f2
- 2.Qh1#
- 1...Bc1!
- threat
- 1.Qg6?
- threat
- 2.Qe6#
- 1...Bxc3
- 2.Rxc3#
- 1...e6
- 2.Qxe6#
- 1...e5!
- threat
- 1.Qg8?
- threat
- 2.Qd5#
- 2.Qe6#
- 1...Bxc3
- 2.Rxc3#
- 2.Qd5#
- 1...Sxc3
- 2.Rxc3#
- 2.Qe6#
- 1...Sfe3
- 2.Rd4#
- 2.Qe6#
- 1...Sd4
- 2.Qd5#
- 1...Sg7
- 2.Qd5#
- 1...Sde3
- 2.Rd4#
- 2.Qe6#
- 1...e5
- 2.Qd5#
- 1...e6
- 2.Qxe6#
- 1...Sxg3!
- threat
- 1.Qh5?
- threat
- 2.Rxf3#
- 2.Qxf3#
- 2.Qg4#
- 1...Sfe3
- 2.Rd4#
- 1...Sd4
- 2.Qg4#
- 1...Sh4
- 2.Rxf3#
- 2.Qg4#
- 1...Sh6
- 2.Rxf3#
- 2.Qxf3#
- 1...Bc1
- 2.Rxf3#
- 2.Qxf3#
- 1...Sf2
- 2.Qxf3#
- 1...Sde3
- 2.Rd4#
- 1...f2
- 2.Rf3#
- 2.Qf3#
- 2.Qg4#
- 2.Qh1#
- 1...Sxg3!
- threat
- 1.Qf7?
- threat
- 2.Qd5#
- 2.Qe6#
- 1...Bxc3
- 2.Rxc3#
- 2.Qd5#
- 1...Sxc3
- 2.Rxc3#
- 2.Qe6#
- 1...Sde3
- 2.Rd4#
- 2.Qe6#
- 1...Sfe3
- 2.Rd4#
- 2.Qe6#
- 2.Qf4#
- 1...Sd4
- 2.Qd5#
- 2.Qf4#
- 1...Sg7
- 2.Rxf3#
- 2.Qd5#
- 2.Qxf3#
- 2.Qf4#
- 1...e5
- 2.Qd5#
- 2.Qxb7#
- 1...e6
- 2.Qxe6#
- 2.Qxb7#
- 1...Sxg3!
- threat
- 1.c4?
- threat
- 2.Rxa3#
- 2.Rb3#
- 2.Rc3#
- 1...Bc3
- 2.Rxc3#
- 1...Sf2
- 2.Re1#
- 1...Sc3
- 2.Rxc3#
- 1...Se3
- 2.Rd4#
- 1...Bd4+!
- threat
- 1.Bb8?
- Keys
- 1.Bh2!
- 1...Bxc3
- 2.Rxc3#
- 1...Sxc3
- 2.Rxc3#
- 1...Ba1
- 2.Rb4#
- 1...Bc1
- 2.Rb4#
- 1...Sf2
- 2.Re1#
- 1...Se3
- 2.Rd4#
- 1...f2
- 2.Rh3#
- 1...e5
- 2.Qxb7#
- 1...e6
- 2.Qxb7#
- 1...Bxc3
- 1.Bh2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- B(b);OGATE::R(A)
- B(b);OGATE,XP(D)::B(C)+R(E),XB(b)
- S(a);OGATE::R(A)
- S(a);OGATE,XP(D)::B(C)+R(E),XS(a)
- S(a);SBLOCK::B(C)+R(E),DCHECK
- P(d);OGATEB::QAB(J)
- P(h);OGATE::QAB(J),XP(g)
- Tries
- Try
- B(F);
- Vars
- B(b);OGATE,XP(D)::B(C)+R(E),XB(b)
- S(a);OGATE,XP(D)::B(C)+R(E),XS(a)
- B(b);OGATE::R(A)
- S(a);OGATE::R(A)
- S(a);SBLOCK::B(C)+R(E),DCHECK
- P(h);OGATE::QAB(J),XP(g)
- Refutation
- P(h);
- Try
- R(A);XS(a)
- Threat
- R(A)
- Vars
- B(b);OGATE,XP(D)::B(C)+R(E),XB(b)
- P(d);OGATEB::QAB(J)
- Refutation
- B(b);
- Try
- Q(J);
- Threat
- QAR2(J)
- Vars
- B(b);OGATE,XP(D)::B(C)+R(E),XB(b)
- P(h);::QAR2(J),XP(h)
- Refutation
- P(h);
- Try
- Q(J);N_PINS(f)
- Threat
- DUALS(2)
- Vars
- S(f);::QAB1(J)
- P(h);::QAB1(J)
- P(h);::QAR2(J),XP(h)
- Refutation
- S(f);XB(F)
- Try
- Q(J);N_PINS(f)
- Threat
- DUALS(3)
- Vars
- S(f);SBLOCK::B(C)+R(E),DCHECK
- S(f);::QAR2(J)
- S(a);::QAB1(J),XP(d)
- S(a);SBLOCK::B(C)+R(E),DCHECK
- Refutation
- S(f);XB(F)
- Try
- Q(J);N_PINS(f)
- Threat
- DUALS(2)
- Refutation
- S(f);XB(F)
- Try
- P(D);
- Threat
- DUALS(3)
- Vars
- B(b);::B(C)+R(E),XB(b)
- S(a);OGATE::R(A)
- S(a);::B(C)+R(E),XS(a)
- S(a);SBLOCK::B(C)+R(E),DCHECK
- Refutation
- B(b);CHECK
- Try
- Actual
- B(F);
- Vars
- B(b);OGATE,XP(D)::B(C)+R(E),XB(b)
- S(a);OGATE,XP(D)::B(C)+R(E),XS(a)
- B(b);OGATE::R(A)
- S(a);OGATE::R(A)
- S(a);SBLOCK::B(C)+R(E),DCHECK
- P(d);OGATE::B(C)+R(E)
- P(h);OGATE::QAB(J),XP(g)
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