MESON Chess Problem Database
Problem Display
PID: 9631 (8/b3nK2/5B2/5k2/3r2p1/3P4/2Q2NN1/6n1 w - - 0 1)
Howard, Kenneth Samuel
L'Echiquier Francais, 1907
#2
6 + 6
| 3360 | Simple Two-move Themes | 1924 |
| 3310 | 2345 Chess Problems | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Rxd3
- 2.Qxd3#
- 1...Ra4
- 2.d4#
- 1...Rb4
- 2.d4#
- 1...Rc4
- 2.dxc4#
- 1...Re4
- 2.dxe4#
- 1...Rf4
- 2.Sh4#
- 1...Rd5
- 2.d4#
- 1...Rd6
- 2.d4#
- 1...Rd7
- 2.d4#
- 1...Rd8
- 2.d4#
- 1...Sd5
- 2.Qc8#
- 1...Rxd3
- Tries
- 1.Qc1?
- threat
- 2.Sh4#
- 2.Qg5#
- 1...Rf4
- 2.Sh4#
- 2.Qxf4#
- 1...Sh3
- 2.Sh4#
- 1...Sg6
- 2.Qg5#
- 1...g3
- 2.Qg5#
- 1...Sf3!
- threat
- 1.Qd2?
- threat
- 2.Sh4#
- 2.Qg5#
- 1...Rf4
- 2.Sh4#
- 2.Qxf4#
- 1...Sh3
- 2.Sh4#
- 1...Sg6
- 2.Qg5#
- 1...g3
- 2.Qg5#
- 1...Sf3!
- threat
- 1.Qe2?
- threat
- 2.Qe5#
- 2.Qe6#
- 1...Bb8
- 2.Qe6#
- 1...Re4
- 2.Qxe4#
- 2.dxe4#
- 1...Rd5
- 2.Qxg4#
- 2.Qe4#
- 2.Qe6#
- 1...Rd6
- 2.Qxg4#
- 2.Qe4#
- 2.Qe5#
- 1...Sf3
- 2.Qe6#
- 1...Sc6
- 2.Qe6#
- 1...Sg6
- 2.Qe6#
- 1...Sxe2!
- threat
- 1.Qc4?
- threat
- 2.Qe6#
- 1...Re4
- 2.Qxe4#
- 2.dxe4#
- 1...Rd5
- 2.Sh4#
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Rd6
- 2.Sh4#
- 2.Qe4#
- 2.Qf4#
- 2.Qxg4#
- 1...Sd5
- 2.Qc8#
- 1...Rxc4!
- threat
- 1.Qc6?
- threat
- 2.Qe6#
- 1...Re4
- 2.Qxe4#
- 2.dxe4#
- 1...Rd6
- 2.Qe4#
- 1...Sxc6!
- threat
- 1.Qc7?
- threat
- 2.Se3#
- 2.Sh4#
- 2.Qe5#
- 1...Rxd3
- 2.Sh4#
- 2.Qf4#
- 2.Qe5#
- 1...Bb8
- 2.Se3#
- 2.Sh4#
- 1...Ra4
- 2.Sh4#
- 2.Qe5#
- 2.Qd7#
- 1...Rb4
- 2.Sh4#
- 2.Qe5#
- 2.Qd7#
- 1...Rc4
- 2.Sh4#
- 2.Qe5#
- 2.Qd7#
- 1...Re4
- 2.Sh4#
- 2.dxe4#
- 1...Rf4
- 2.Sh4#
- 2.Qxf4#
- 2.Qe5#
- 2.Qd7#
- 1...Rd5
- 2.Sh4#
- 2.Qf4#
- 1...Rd7
- 2.Sh4#
- 2.Qf4#
- 2.Qe5#
- 2.Qxd7#
- 1...Rd8
- 2.Sh4#
- 2.Qf4#
- 2.Qe5#
- 1...Sf3
- 2.Se3#
- 1...Sd5
- 2.Sh4#
- 2.Qe5#
- 2.Qd7#
- 2.Qc8#
- 1...Sc6
- 2.Se3#
- 2.Sh4#
- 1...Sg6
- 2.Se3#
- 1...g3
- 2.Se3#
- 2.Qe5#
- 1...Rd6!
- threat
- 1.Qc8+?
- 1...Rd7
- 2.Qxd7#
- 1...Sxc8!
- 1...Rd7
- 1.Qc1?
- Keys
- 1.Sd1!
- threat
- 2.Sde3#
- 1...Rxd3
- 2.Qxd3#
- 1...Ra4
- 2.d4#
- 1...Rb4
- 2.d4#
- 1...Rc4
- 2.dxc4#
- 1...Re4
- 2.dxe4#
- 1...Rf4
- 2.Sh4#
- 1...Rd5
- 2.d4#
- 1...Rd6
- 2.d4#
- 1...Rd7
- 2.d4#
- 1...Rd8
- 2.d4#
- 1...Sd5
- 2.Qc8#
- threat
- 1.Sd1!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 0
- Sets
- R(b);OGATE,P_SPINR(b),XP(D)::QAB(A),XR(b)
- R(b);OGATE::QAB(A)+P(D)
- R(b);OGATE::QAB(A)+P(D),XR(b)
- R(b);OGATE::P(D),XR(b)
- R(b);SBLOCK::S(C)
- S(f);N_GUARD,S_CUTR(b)::QAB(A)
- Tries
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(a);::S(C)
- S(f);::QAR1(A)
- P(c);::QAR1(A)
- Refutation
- S(a);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- S(a);::S(C)
- S(f);::QAR1(A)
- P(c);::QAR1(A)
- Refutation
- S(a);
- Try
- Q(A);
- Threat
- DUALS(2)
- Vars
- B(e);::QAB1(A)
- S(a);::QAB1(A)
- S(f);::QAB1(A)
- Refutation
- S(a);XQ(A)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- S(f);N_GUARD,S_CUTR(b)::QAB(A)
- Refutation
- R(b);XQ(A)
- Try
- Q(A);
- Threat
- QAB1(A)
- Vars
- R(b);N_GUARD::QAB1(A)
- Refutation
- S(f);XQ(A)
- Try
- Q(A);
- Threat
- DUALS(3)
- Vars
- S(a);::S(C)
- S(f);::S(C)
- Refutation
- R(b);
- Try
- Q(A);CHECK
- Vars
- R(b);N_GUARD,P_SPINR(b)::QAB(A),XR(b)
- Refutation
- S(f);XQ(A)
- Try
- Actual
- S(B);
- Threat
- S(B)
- Vars
- R(b);OGATE,P_SPINR(b),XP(D)::QAB(A),XR(b)
- R(b);OGATE::QAB(A)+P(D)
- R(b);OGATE::QAB(A)+P(D),XR(b)
- R(b);OGATE::P(D),XR(b)
- R(b);SBLOCK::S(C)
- S(f);N_GUARD,S_CUTR(b)::QAB(A)
Developed and maintained by Brian Stephenson.
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