MESON Chess Problem Database
Problem Display
PID: 271470 (4K3/2p1B3/1RnbkNp1/3R4/p4P2/Pr2N2n/B7/8 w - - 0 1)
Bagnall, J
Sunday Referee, 1933
(First published on Sun Apr 16 1933)
#2
9 + 8
| 15239 | Valois Notebooks | 2023 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Re5#
- 2.Rxd6#
- 1...Rb2
- 2.Re5#
- 2.Rxd6#
- 1...Rxa3
- 2.Re5#
- 2.Rxd6#
- 1...Rc3
- 2.Re5#
- 2.Rxd6#
- 1...Rd3
- 2.Rxd3#
- 2.Re5#
- 2.Rxd6#
- 1...Rxe3
- 2.Re5#
- 1...Rb4
- 2.Re5#
- 2.Rxd6#
- 1...Rb5
- 2.Rdxb5#
- 2.Re5#
- 2.Rxd6#
- 1...Rxb6
- 2.Rb5#
- 2.Re5#
- 2.Rxd6#
- 1...Bxa3
- 2.Re5#
- 1...Bb4
- 2.Re5#
- 1...Bc5
- 2.Re5#
- 1...Be5
- 2.Rxe5#
- 1...Sb4
- 2.Re5#
- 1...Sd4
- 2.Re5#
- 1...Sa5
- 2.Re5#
- 1...Se5
- 2.Rxe5#
- 1...Sa7
- 2.Re5#
- 1...Sb8
- 2.Re5#
- 1...Sd8
- 2.Re5#
- 1...g5
- 2.f5#
- 1...cxb6
- 2.Rxd6#
- 1...Rb1
- Tries
- 1.Sh5?
- threat
- 2.Sg7#
- 1...Sxe7
- 2.Re5#
- 1...gxh5
- 2.f5#
- 1...Be5
- 2.Rxe5#
- 1...Bxe7!
- threat
- 1.Sd7?
- threat
- 2.Sf8#
- 1...Sxe7
- 2.Re5#
- 1...Bxe7!
- threat
- 1.Sh7?
- threat
- 2.Sf8#
- 1...Sxe7
- 2.Re5#
- 1...Bxe7!
- threat
- 1.Sh5?
- Keys
- 1.Se4!
- 1...Rxa3
- 2.Re5#
- 2.Rxd6#
- 1...Rxe3
- 2.Re5#
- 1...Rxb6
- 2.Rb5#
- 2.Re5#
- 2.Rxd6#
- 1...Bxa3
- 2.Re5#
- 1...Bxf4
- 2.Sc5#
- 1...Bxe7
- 2.Re5#
- 1...Sxf4
- 2.Sg5#
- 1...Sxe7
- 2.Re5#
- 1...cxb6
- 2.Rxd6#
- 1...Rb1
- 2.Re5#
- 2.Rxd6#
- 1...Rb2
- 2.Re5#
- 2.Rxd6#
- 1...Rc3
- 2.Re5#
- 2.Rxd6#
- 1...Rd3
- 2.Rxd3#
- 2.Re5#
- 2.Rxd6#
- 1...Rb4
- 2.Re5#
- 2.Rxd6#
- 1...Rb5
- 2.Rdxb5#
- 2.Re5#
- 2.Rxd6#
- 1...Bb4
- 2.Re5#
- 1...Bc5
- 2.Sxc5#
- 2.Re5#
- 1...Be5
- 2.Sc5#
- 2.Rxe5#
- 1...Sg1
- 2.Sg5#
- 1...Sf2
- 2.Sg5#
- 1...Sg5
- 2.Sxg5#
- 1...Sb4
- 2.Sc5#
- 2.Re5#
- 1...Sd4
- 2.Sc5#
- 2.Re5#
- 1...Sa5
- 2.Sc5#
- 2.Re5#
- 1...Se5
- 2.Sc5#
- 2.Rxe5#
- 1...Sa7
- 2.Sc5#
- 2.Re5#
- 1...Sb8
- 2.Sc5#
- 2.Re5#
- 1...Sd8
- 2.Sc5#
- 2.Re5#
- 1...g5
- 2.f5#
- 1...Rxa3
- 1.Se4!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 7
- REMOVED MATES = 9
- Sets
- R(a);XS(C)::B(A)+R(E),DCHECK
- B(e);N_GUARD,P_SPINS(d),XP(B)::R1(E)
- B(e);N_GUARD,P_SPINS(d)::R1(E)
- B(e);N_GUARD,P_SPINS(d)::R1(E),XB(e)
- S(d);N_GUARD,P_SPINB(e)::R1(E)
- S(d);N_GUARD,P_SPINB(e)::R1(E),XS(d)
- P(g);N_GUARD::P(D)
- P(h);N_GUARD,XR(F)::R1(E),XB(e)
- Tries
- Try
- S(G);
- Threat
- S(G)
- Vars
- S(d);N_GUARD,P_SPINB(e),XB(H)::R1(E)
- P(g);N_GUARD,XS(G)::P(D)
- B(e);N_GUARD,P_SPINS(d)::R1(E),XB(e)
- Refutation
- B(e);P_SPINS(d),XB(H)
- Try
- S(G);
- Threat
- S(G)
- Vars
- S(d);N_GUARD,P_SPINB(e),XB(H)::R1(E)
- Refutation
- B(e);P_SPINS(d),XB(H)
- Try
- S(G);
- Threat
- S(G)
- Vars
- S(d);N_GUARD,P_SPINB(e),XB(H)::R1(E)
- Refutation
- B(e);P_SPINS(d),XB(H)
- Try
- Actual
- S(G);
- Vars
- R(a);XS(C)::B(A)+R(E),DCHECK
- B(e);N_GUARD,P_SPINS(d),XP(B)::R1(E)
- B(e);N_GUARD,P_SPINS(d),XP(D)::S(G)
- B(e);N_GUARD,P_SPINS(d),XB(H)::R1(E)
- S(b);N_GUARD,XP(D)::S(G)
- S(d);N_GUARD,P_SPINB(e),XB(H)::R1(E)
- P(h);N_GUARD,XR(F)::R1(E),XB(e)
- B(e);N_GUARD,P_SPINS(d)::R1(E)
- S(b);N_GUARD::S(G)
- S(b);N_GUARD::S(G),XS(b)
- P(g);N_GUARD::P(D)
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