MESON Chess Problem Database
Problem Display
PID: 225101 (4r2N/2r5/1p6/4k1P1/Qn1p1NP1/B1p2K2/8/8 w - - 0 1)
Shenele, ?
Preston Guardian, 1880
(First published on Wed Dec 15 1880)
#2
7 + 7
| 15239 | Valois Notebooks | 2020 |
SOLUTION
- SOUND
- Sets
- 1...Rc4
- 2.Sf7#
- 1...Rc5
- 2.Sf7#
- 1...Rc6
- 2.Sf7#
- 1...Rf7
- 2.Sxf7#
- 1...Rcc8
- 2.Sf7#
- 1...Sa2
- 2.Shg6#
- 1...Sc2
- 2.Shg6#
- 1...Sd3
- 2.Shg6#
- 1...Sd5
- 2.Shg6#
- 1...Sa6
- 2.Shg6#
- 1...Sc6
- 2.Shg6#
- 2.Qb5#
- 1...Rc4
- Tries
- 1.Qb5+?
- 1...Rc5
- 2.Sf7#
- 1...Sd5
- 2.Shg6#
- 2.Qxd5#
- 1...Kd6!
- 1...Rc5
- 1.Qd7?
- threat
- 2.Sfg6#
- 2.Shg6#
- 2.Sf7#
- 2.Qxc7#
- 1...Rxh8
- 2.Sg6#
- 2.Qe6#
- 2.Qxc7#
- 1...Rc4
- 2.Sfg6#
- 2.Shg6#
- 2.Sf7#
- 1...Rc5
- 2.Sfg6#
- 2.Shg6#
- 2.Sf7#
- 1...Rc6
- 2.Sf7#
- 1...Ra7
- 2.Sfg6#
- 2.Shg6#
- 2.Sf7#
- 1...Rb7
- 2.Sfg6#
- 2.Shg6#
- 2.Sf7#
- 1...Rcc8
- 2.Sfg6#
- 2.Shg6#
- 2.Sf7#
- 1...Re6
- 2.Sf7#
- 2.Qxe6#
- 1...Re7
- 2.Sfg6#
- 2.Shg6#
- 1...Rec8
- 2.Sfg6#
- 2.Shg6#
- 2.Sf7#
- 2.Qe6#
- 1...Rd8
- 2.Sfg6#
- 2.Shg6#
- 2.Sf7#
- 2.Qe6#
- 1...Rf8
- 2.Sg6#
- 2.Qe6#
- 2.Qxc7#
- 1...Rg8
- 2.Sf7#
- 2.Qe6#
- 2.Qxc7#
- 1...Sd5
- 2.Sd3#
- 2.Sfg6#
- 2.Shg6#
- 2.Sf7#
- 2.Bd6#
- 2.Qf5#
- 2.Qxd5#
- 2.Qd6#
- 1...Sa6
- 2.Sd3#
- 2.Sfg6#
- 2.Shg6#
- 2.Sf7#
- 2.Bd6#
- 2.Qf5#
- 2.Qd5#
- 2.Qd6#
- 1...d3
- 2.Sfg6#
- 2.Shg6#
- 2.Sf7#
- 1...Rxd7!
- threat
- 1.Qxe8+?
- 1...Re7
- 2.Sf7#
- 2.Qxe7#
- 1...Kd6!
- 1...Re7
- 1.Qxb4?
- threat
- 2.Shg6#
- 2.Qd6#
- 1...Rxh8
- 2.Qd6#
- 1...Rc5
- 2.Sf7#
- 1...Rc6
- 2.Sf7#
- 1...Rd7
- 2.Shg6#
- 1...Rg7
- 2.Qd6#
- 2.Qb5#
- 1...Rd8
- 2.Shg6#
- 1...Rg8
- 2.Qd6#
- 1...Re6!
- threat
- 1.Qb5+?
- Keys
- 1.Qc6!
- threat
- 2.Sfg6#
- 2.Shg6#
- 2.Qf6#
- 2.Qxc7#
- 1...Rxc6
- 2.Sf7#
- 1...Rxh8
- 2.Sg6#
- 2.Qe6#
- 2.Qf6#
- 2.Qxc7#
- 1...Sxc6
- 2.Shg6#
- 1...d3
- 2.Qf6#
- 1...Ra7
- 2.Sfg6#
- 2.Shg6#
- 2.Qf6#
- 1...Rb7
- 2.Sfg6#
- 2.Shg6#
- 2.Qf6#
- 1...Rd7
- 2.Sfg6#
- 2.Shg6#
- 2.Qf6#
- 1...Rce7
- 2.Sfg6#
- 2.Shg6#
- 2.Qf6#
- 1...Rf7
- 2.Sg6#
- 2.Sxf7#
- 1...Rg7
- 2.Qf6#
- 1...Rh7
- 2.Sfg6#
- 2.Shg6#
- 2.Qf6#
- 1...Rcc8
- 2.Sfg6#
- 2.Shg6#
- 2.Sf7#
- 2.Qf6#
- 1...Re6
- 2.Qxe6#
- 1...Ree7
- 2.Sfg6#
- 2.Shg6#
- 2.Qf6#
- 1...Rec8
- 2.Sfg6#
- 2.Shg6#
- 2.Qe6#
- 2.Qf6#
- 1...Rd8
- 2.Sfg6#
- 2.Shg6#
- 2.Qe6#
- 2.Qf6#
- 1...Rf8
- 2.Sg6#
- 2.Qe6#
- 2.Qxc7#
- 1...Rg8
- 2.Qe6#
- 2.Qf6#
- 2.Qxc7#
- 1...Sd5
- 2.Sd3#
- 2.Sfg6#
- 2.Shg6#
- 2.Bd6#
- 2.Qxd5#
- 2.Qd6#
- 1...Sa6
- 2.Sd3#
- 2.Sfg6#
- 2.Shg6#
- 2.Bd6#
- 2.Qe4#
- 2.Qd5#
- 2.Qd6#
- 2.Qf6#
- threat
- 1.Qc6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 9
- Sets
- R(f);N_GUARD::S(G)
- R(f);N_GUARD,P_PINS(D)::S(G),XR(f)
- S(b);::S(G)
- Tries
- Try
- Q(C);CHECK
- Vars
- R(f);P_SPINR(f)::S(G)
- Refutation
- K(d);P_SPINS(b),S_FLIGHT
- Try
- Q(C);
- Threat
- DUALS(4)
- Vars
- R(f);::S(G)
- Refutation
- R(f);XQ(C)
- Try
- Q(C);CHECK,XR(g)
- Refutation
- K(d);P_SPINS(b),S_FLIGHT
- Try
- Q(C);XS(b)
- Threat
- DUALS(2)
- Vars
- R(g);XS(G)::QAB1(C)
- R(f);N_GUARD::S(G)
- R(f);::S(G)
- R(g);::S(G)
- R(g);::QAB1(C)
- Refutation
- R(g);
- Try
- Actual
- Q(C);
- Threat
- DUALS(4)
- Vars
- R(f);N_GUARD,XQ(C)::S(G)
- S(b);XQ(C)::S(G)
- P(c);::QAB1(C)
- R(f);::QAB1(C)
- R(g);N_GUARD::QAR1(C),XR(g)
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