MESON Chess Problem Database
Problem Display
PID: 142829 (8/5r1b/8/bBn5/3N3R/4k3/K1Qp1rP1/1N3RB1 w - - 0 1)
Francey, James
Evening Standard, 1933
(First published on Thu Nov 23 1933)
#2
9 + 7
| 14867 | BCPS Library | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Ra7
- 2.Bxf2#
- 1...Rb7
- 2.Bxf2#
- 1...Rc7
- 2.Bxf2#
- 1...Rd7
- 2.Bxf2#
- 1...Re7
- 2.Bxf2#
- 1...Rg7
- 2.Bxf2#
- 1...Bb6
- 2.Qxd2#
- 1...Bc7
- 2.Qxd2#
- 1...Bd8
- 2.Qxd2#
- 1...Bxc2
- 2.Sxc2#
- 1...Bf5
- 2.Bxf2#
- 1...Se4
- 2.Qd3#
- 1...d1S
- 2.Qe2#
- 1...d1R
- 2.Qe2#
- 1...Ra7
- Tries
- 1.Sf5+?
- 1...Bxf5
- 2.Bxf2#
- 2.Qxc5#
- 1...Rxf5!
- 1...Bxf5
- 1.Rxf2?
- threat
- 2.Re2#
- 2.Rf3#
- 2.Rff4#
- 2.Rf5#
- 2.Rf6#
- 2.Rxf7#
- 1...Rf4
- 2.Re2#
- 2.Rf3#
- 2.Rfxf4#
- 1...Se4
- 2.Re2#
- 2.Rf3#
- 2.Qd3#
- 1...d1Q
- 2.Re2#
- 2.Rf3#
- 1...d1S
- 2.Re2#
- 2.Rf3#
- 2.Qe2#
- 1...d1R
- 2.Re2#
- 2.Rf3#
- 2.Qe2#
- 1...Rf3
- 2.Re2#
- 2.Rxf3#
- 1...Rf5
- 2.Re2#
- 2.Rf3#
- 2.Rff4#
- 2.Rxf5#
- 1...Rf6
- 2.Re2#
- 2.Rf3#
- 2.Rff4#
- 2.Rf5#
- 2.Rxf6#
- 1...Ra7
- 2.Rf1#
- 2.Rxd2#
- 2.Re2#
- 2.Rf3#
- 2.Rff4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Rb7
- 2.Rf1#
- 2.Rxd2#
- 2.Re2#
- 2.Rf3#
- 2.Rff4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Rc7
- 2.Rf1#
- 2.Rxd2#
- 2.Re2#
- 2.Rf3#
- 2.Rff4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Rd7
- 2.Rf1#
- 2.Rxd2#
- 2.Re2#
- 2.Rf3#
- 2.Rff4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Re7
- 2.Rf1#
- 2.Rxd2#
- 2.Re2#
- 2.Rf3#
- 2.Rff4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Rg7
- 2.Rf1#
- 2.Rxd2#
- 2.Re2#
- 2.Rf3#
- 2.Rff4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rf8#
- 1...Rf8
- 2.Re2#
- 2.Rf3#
- 2.Rff4#
- 2.Rf5#
- 2.Rf6#
- 2.Rf7#
- 2.Rxf8#
- 1...Bf5
- 2.Rf1#
- 2.Rxd2#
- 2.Re2#
- 2.Rf3#
- 2.Rff4#
- 2.Rxf5#
- 1...Sd3
- 2.Re2#
- 2.Rf3#
- 1...Rxf2!
- threat
- 1.Qe4+?
- 1...Sxe4
- 2.Sc2#
- 1...Bxe4!
- 1...Sxe4
- 1.Sf5+?
- Keys
- 1.Qf5!
- threat
- 2.Sc2#
- 2.Bxf2#
- 1...d1Q+
- 2.Bxf2#
- 1...d1S+
- 2.Sc2#
- 1...d1B+
- 2.Bxf2#
- 1...Rxf5
- 2.Sc2#
- 1...Bxf5
- 2.Bxf2#
- 1...Se4
- 2.Sc2#
- 2.Rxe4#
- 1...Sd3
- 2.Re4#
- threat
- 1.Qf5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 12
- Sets
- R(f);N_GUARD::B(C),XR(b)
- B(d);N_GUARD::QAB1(E),XP(a)
- B(g);XQ(E)::S(G),XB(g)
- B(g);S_CUTR(f)::B(C),XR(b)
- S(e);N_GUARD,S_CUTB(g)::QAR1(E)
- P(a);OGATE,P_PINQ(E)::QAR1(E)
- Tries
- Try
- S(G);CHECK
- Refutation
- R(f);XS(G)
- Try
- R(B);XR(b)
- Threat
- DUALS(6)
- Refutation
- R(f);P_SPINR(f),XR(B)
- Try
- Q(E);CHECK
- Vars
- S(e);XQ(E)::S(G)
- Refutation
- B(g);XQ(E)
- Try
- Actual
- Q(E);
- Threat
- DUALS(2)
- Vars
- P(a);CHECK::B(C),XR(b)
- P(a);CHECK::S(G)
- R(f);XQ(E)::S(G)
- B(g);XQ(E)::B(C),XR(b)
- S(e);N_GUARD::R1(H)
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