MESON Chess Problem Database
Problem Display
PID: 405 (5RB1/1Q1p2PN/2r4k/2P1Bp2/5N2/Rb6/4p3/4K3 w - - 0 1)
Warton, Joseph John
Warton, Thomas Joseph
The Observer, 1942
(First published on Sun Aug 2 1942)
#2
10 + 6
| 15239 | Valois Notebooks | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rxc5
- 2.Qh1#
- 1...Ra6
- 2.Qh1#
- 1...Rb6
- 2.Qh1#
- 1...Rd6
- 2.Qh1#
- 1...Re6
- 2.Qh1#
- 1...Rg6
- 2.Qh1#
- 1...Rc7
- 2.Qh1#
- 1...Rc8
- 2.Qh1#
- 1...Bd1
- 2.Rh3#
- 1...Ba2
- 2.Rh3#
- 1...Bc2
- 2.Rh3#
- 1...Ba4
- 2.Rh3#
- 1...Bc4
- 2.Rh3#
- 1...Bd5
- 2.Rh3#
- 1...Be6
- 2.Rh3#
- 1...Bxg8
- 2.Rh3#
- 1...d5
- 2.Qxc6#
- 1...d6
- 2.Rf6#
- 1...Rxc5
- Tries
- 1.Bxb3?
- 1...Kxh7
- 2.Rh8#
- 1...Rxc5
- 2.Qh1#
- 1...Ra6
- 2.Qh1#
- 1...Rb6
- 2.Qh1#
- 1...Rd6
- 2.Qh1#
- 1...Re6
- 2.Qh1#
- 1...Rg6
- 2.Qh1#
- 1...Rc7
- 2.Qh1#
- 1...Rc8
- 2.Qh1#
- 1...d5
- 2.g8S#
- 1...d6
- 2.g8S#
- 1...Rf6!
- 1...Kxh7
- 1.Bc4?
- 1...Kxh7
- 2.Rh8#
- 1...Rxc5
- 2.Qh1#
- 1...Bxc4
- 2.Rh3#
- 1...Ra6
- 2.Qh1#
- 1...Rb6
- 2.Qh1#
- 1...Rd6
- 2.Qh1#
- 1...Re6
- 2.Qh1#
- 1...Rg6
- 2.Qh1#
- 1...Rc7
- 2.Qh1#
- 1...Rc8
- 2.Qh1#
- 1...Bd1
- 2.Rh3#
- 1...Ba2
- 2.Rh3#
- 1...Bc2
- 2.Rh3#
- 1...Ba4
- 2.Rh3#
- 1...d5
- 2.g8S#
- 1...d6
- 2.g8S#
- 1...Rf6!
- 1...Kxh7
- 1.Rf6+?
- 1...Kxg7
- 2.Rg6#
- 1...Rxf6!
- 1...Kxg7
- 1.Rf7?
- 1...Rxc5
- 2.Qh1#
- 1...Ra6
- 2.Qh1#
- 1...Rb6
- 2.Qh1#
- 1...Rd6
- 2.Qh1#
- 1...Re6
- 2.Qh1#
- 1...Rf6
- 2.Qh1#
- 1...Rg6
- 2.Qh1#
- 1...Rc7
- 2.Qh1#
- 1...Rc8
- 2.Qh1#
- 1...Bd1
- 2.Rh3#
- 1...Ba2
- 2.Rh3#
- 1...Bc2
- 2.Rh3#
- 1...Ba4
- 2.Rh3#
- 1...Bc4
- 2.Rh3#
- 1...Bd5
- 2.Rh3#
- 1...Be6
- 2.Rh3#
- 1...d5
- 2.Qxc6#
- 1...d6
- 2.Rf6#
- 1...Bxf7!
- 1...Rxc5
- 1.Qxc6+?
- 1...Be6
- 2.Rh3#
- 2.Qh1#
- 1...d6
- 2.Qh1#
- 1...dxc6!
- 1...Be6
- 1.Bxb3?
- Keys
- 1.Be6!
- 1...Kxh7
- 2.Rh8#
- 1...Rxc5
- 2.Qh1#
- 1...Rxe6
- 2.Qh1#
- 1...Bxe6
- 2.Rh3#
- 1...dxe6
- 2.g8S#
- 1...Ra6
- 2.Qh1#
- 1...Rb6
- 2.Qh1#
- 1...Rd6
- 2.Qh1#
- 1...Rc7
- 2.Qh1#
- 1...Rc8
- 2.Qh1#
- 1...Bd1
- 2.Rh3#
- 1...Ba2
- 2.Rh3#
- 1...Bc2
- 2.Rh3#
- 1...Ba4
- 2.Rh3#
- 1...Bc4
- 2.Rh3#
- 1...Bd5
- 2.Rh3#
- 1...d5
- 2.g8S#
- 1...d6
- 2.g8S#
- 1...Kxh7
- 1.Be6!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 2
- Sets
- R(d);OGATE,XP(D)::QAR(F)
- R(d);OGATE::QAR(F)
- B(b);OGATE::R(B)
- B(b);OGATE,XB(J)::R(B)
- P(f);N_GUARD,S_CUTB(b)::QAR(F),XR(d)
- P(f);S_CUTR(d)::R(I)
- Tries
- Try
- B(J);XB(b)
- Vars
- K(e);OGATEB,P-FLIGHT,XS(H)::R1(I)
- R(d);OGATE,XP(D)::QAR(F)
- R(d);OGATE::QAR(F)
- P(f);::P=S
- Refutation
- R(d);
- Try
- B(J);
- Vars
- K(e);OGATEB,P-FLIGHT,XS(H)::R1(I)
- R(d);OGATE,XP(D)::QAR(F)
- B(b);OGATE,XB(J)::R(B)
- R(d);OGATE::QAR(F)
- B(b);OGATE::R(B)
- P(f);::P=S
- Refutation
- R(d);
- Try
- R(I);CHECK
- Vars
- K(e);P_SPINP(f),S_FLIGHT,XP(G)::B(E)+R(I),DCHECK
- Refutation
- R(d);XR(I)
- Try
- R(I);
- Vars
- R(d);OGATE,XP(D)::QAR(F)
- R(d);OGATE::QAR(F)
- B(b);OGATE::R(B)
- P(f);N_GUARD,S_CUTB(b)::QAR(F),XR(d)
- P(f);S_CUTR(d)::R(I)
- Refutation
- B(b);XR(I)
- Try
- Q(F);CHECK,XR(d)
- Vars
- P(f);P_SPINP(f)::QAR(F)
- Refutation
- P(f);XQ(F)
- Try
- Actual
- B(J);
- Vars
- K(e);OGATEB,P-FLIGHT,XS(H)::R1(I)
- R(d);OGATE,XP(D)::QAR(F)
- R(d);OGATE,XB(J)::QAR(F)
- B(b);OGATE,XB(J)::R(B)
- P(f);XB(J)::P=S
- R(d);OGATE::QAR(F)
- B(b);OGATE::R(B)
- P(f);::P=S
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