MESON Chess Problem Database
Problem Display
PID: 276690 (2N3n1/p2B1n2/R2p1P2/2pkB3/1p3P2/1NpPKp2/2P2P2/8 w - - 0 1)
Coppens, JP
Western Morning News, 1926
(First published on Sat Oct 16 1926)
#2
11 + 9
| 15239 | Valois Notebooks | 2024 |
SOLUTION
- SOUND
- Sets
- 1...Sxe5
- 2.Rxd6#
- 1...Sg5
- 2.Rxd6#
- 1...Sfh6
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...Sxf6
- 2.Se7#
- 1...Sgh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...c4
- 2.Ra5#
- 1...dxe5
- 2.Be6#
- 1...Sxe5
- Tries
- 1.Sa1?
- 1...Sxe5
- 2.Rxd6#
- 1...Sxf6
- 2.Se7#
- 1...dxe5
- 2.Be6#
- 1...c4
- 2.Ra5#
- 1...Sg5
- 2.Rxd6#
- 1...Sfh6
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...Sgh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...b3!
- 1...Sxe5
- 1.Sc1?
- 1...Sxe5
- 2.Rxd6#
- 1...Sxf6
- 2.Se7#
- 1...dxe5
- 2.Be6#
- 1...c4
- 2.Ra5#
- 1...Sg5
- 2.Rxd6#
- 1...Sfh6
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...Sgh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...b3!
- 1...Sxe5
- 1.Sd4?
- threat
- 2.Bc6#
- 2.Be6#
- 1...Sxe5
- 2.Be6#
- 2.Rxd6#
- 1...c4
- 2.Ra5#
- 1...Sg5
- 2.Bc6#
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Se7
- 2.Sxe7#
- 2.Be6#
- 1...cxd4+!
- threat
- 1.Bxc3?
- 1...Sxf6
- 2.Se7#
- 1...Se5
- 2.Rxd6#
- 1...Sg5
- 2.Rxd6#
- 1...Sfh6
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...Sgh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...c4
- 2.Ra5#
- 1...bxc3!
- 1...Sxf6
- 1.Bd4?
- 1...Sxf6
- 2.Se7#
- 1...Se5
- 2.Rxd6#
- 1...Sg5
- 2.Rxd6#
- 1...Sfh6
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...Sgh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...c4
- 2.Ra5#
- 1...cxd4+!
- 1...Sxf6
- 1.Bh3?
- 1...Sxe5
- 2.Rxd6#
- 1...Sxf6
- 2.Se7#
- 1...dxe5
- 2.Be6#
- 1...Sg5
- 2.Rxd6#
- 1...Sfh6
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...Sgh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...c4!
- 1...Sxe5
- 1.Bg4?
- 1...Sxe5
- 2.Rxd6#
- 1...Sxf6
- 2.Se7#
- 1...dxe5
- 2.Be6#
- 1...Sg5
- 2.Rxd6#
- 1...Sfh6
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...Sgh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...c4!
- 1...Sxe5
- 1.Bb5?
- threat
- 2.Bc4#
- 1...Sxe5
- 2.Rxd6#
- 1...c4
- 2.Bxc4#
- 1...Ke6!
- threat
- 1.Bf5?
- 1...Sxe5
- 2.Rxd6#
- 1...Sxf6
- 2.Se7#
- 1...dxe5
- 2.Be4#
- 2.Be6#
- 1...Sg5
- 2.Rxd6#
- 1...Sfh6
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...Sgh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...c4!
- 1...Sxe5
- 1.Sa1?
- Keys
- 1.Rc6!
- 1...Sxe5
- 2.Rxd6#
- 1...Sxf6
- 2.Se7#
- 1...dxe5
- 2.Rxc5#
- 1...Sg5
- 2.Rxd6#
- 1...Sfh6
- 2.Rxd6#
- 1...Sd8
- 2.Rxd6#
- 1...Sh8
- 2.Rxd6#
- 1...Sgh6
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...c4
- 2.dxc4#
- 1...a5
- 2.Sb6#
- 1...a6
- 2.Sb6#
- 1...Sxe5
- 1.Rc6!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 2
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(h);N_GUARD,XB(G)::R1(H),XP(f)
- S(h);N_GUARD::R1(H),XP(f)
- S(i);N_GUARD,XP(I)::S(K)
- S(i);N_GUARD::S(K)
- S(i);N_GUARD::S(K),XS(i)
- P(d);OGATEB::R(H)
- P(f);XB(G)::B(J)
- Tries
- Try
- S(C);
- Vars
- S(h);N_GUARD,XB(G)::R1(H),XP(f)
- S(i);N_GUARD,XP(I)::S(K)
- P(f);XB(G)::B(J)
- P(d);OGATEB::R(H)
- S(h);N_GUARD::R1(H),XP(f)
- S(i);N_GUARD::S(K)
- S(i);N_GUARD::S(K),XS(i)
- Refutation
- P(c);
- Try
- S(C);
- Vars
- S(h);N_GUARD,XB(G)::R1(H),XP(f)
- S(i);N_GUARD,XP(I)::S(K)
- P(f);XB(G)::B(J)
- P(d);OGATEB::R(H)
- S(h);N_GUARD::R1(H),XP(f)
- S(i);N_GUARD::S(K)
- S(i);N_GUARD::S(K),XS(i)
- Refutation
- P(c);
- Try
- S(C);
- Threat
- DUALS(2)
- Vars
- P(d);OGATEB::R(H)
- S(h);N_GUARD::R1(H),XP(f)
- Refutation
- P(d);CHECK,XS(C)
- Try
- B(G);XP(a)
- Vars
- S(i);N_GUARD,XP(I)::S(K)
- S(h);N_GUARD::R1(H),XP(f)
- S(i);N_GUARD::S(K)
- S(i);N_GUARD::S(K),XS(i)
- P(d);OGATEB::R(H)
- Refutation
- P(c);XB(G)
- Try
- B(G);
- Vars
- S(i);N_GUARD,XP(I)::S(K)
- S(h);N_GUARD::R1(H),XP(f)
- S(i);N_GUARD::S(K)
- S(i);N_GUARD::S(K),XS(i)
- P(d);OGATEB::R(H)
- Refutation
- P(d);CHECK,XB(G)
- Try
- B(J);
- Vars
- S(h);N_GUARD,XB(G)::R1(H),XP(f)
- S(i);N_GUARD,XP(I)::S(K)
- P(f);XB(G)::B(J)
- S(h);N_GUARD::R1(H),XP(f)
- S(i);N_GUARD::S(K)
- S(i);N_GUARD::S(K),XS(i)
- Refutation
- P(d);
- Try
- B(J);
- Vars
- S(h);N_GUARD,XB(G)::R1(H),XP(f)
- S(i);N_GUARD,XP(I)::S(K)
- P(f);XB(G)::B(J)
- S(h);N_GUARD::R1(H),XP(f)
- S(i);N_GUARD::S(K)
- S(i);N_GUARD::S(K),XS(i)
- Refutation
- P(d);
- Try
- B(J);
- Threat
- B(J)
- Vars
- S(h);N_GUARD,XB(G)::R1(H),XP(f)
- P(d);::B(J),XP(d)
- Refutation
- K(e);P_SPINP(f),S_FLIGHT
- Try
- B(J);
- Vars
- S(h);N_GUARD,XB(G)::R1(H),XP(f)
- S(i);N_GUARD,XP(I)::S(K)
- S(h);N_GUARD::R1(H),XP(f)
- S(i);N_GUARD::S(K)
- S(i);N_GUARD::S(K),XS(i)
- Refutation
- P(d);
- Try
- Actual
- R(H);
- Vars
- S(h);N_GUARD,XB(G)::R1(H),XP(f)
- S(i);N_GUARD,XP(I)::S(K)
- P(f);N_GUARD,XB(G)::R1(H),XP(d)
- S(h);N_GUARD::R1(H),XP(f)
- S(i);N_GUARD::S(K)
- S(i);N_GUARD::S(K),XS(i)
- P(d);OGATE::P(D),XP(d)
- P(g);N_GUARD::S(K)
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