MESON Chess Problem Database
Problem Display
PID: 275263 (3KnB2/2n5/1N5R/2PBkP2/4p3/1N6/7b/5Q2 w - - 0 1)
Hartong, Jan
Western Morning News, 1926
(First published on Sat Jan 23 1926)
#2
9 + 5
| 15239 | Valois Notebooks | 2024 |
SOLUTION
- SOUND
- Sets
- 1...Sb5
- 2.Re6#
- 1...Sxd5
- 2.Sc4#
- 2.Sd7#
- 2.Re6#
- 1...Sa6
- 2.Re6#
- 1...Se6+
- 2.Rxe6#
- 1...Sa8
- 2.Re6#
- 1...Sd6
- 2.Bxd6#
- 2.Bg7#
- 1...Sf6
- 2.Bd6#
- 1...Sg7
- 2.Bd6#
- 2.Bxg7#
- 1...Sb5
- Tries
- 1.Bc6?
- threat
- 2.Sc4#
- 2.Sd7#
- 1...Se6+
- 2.Rxe6#
- 1...Sd6
- 2.Sd7#
- 2.Bxd6#
- 2.Bg7#
- 1...Sf6
- 2.Sc4#
- 2.Bd6#
- 1...Bf4!
- threat
- 1.Be6?
- threat
- 2.Sc4#
- 2.Sd7#
- 1...Sxe6+
- 2.Rxe6#
- 1...Sd6
- 2.Sd7#
- 2.Bxd6#
- 2.Bg7#
- 1...Sf6
- 2.Sc4#
- 2.Bd6#
- 1...e3!
- threat
- 1.Bb7?
- threat
- 2.Sc4#
- 2.Sd7#
- 1...Se6+
- 2.Rxe6#
- 1...Sd6
- 2.Sd7#
- 2.Bxd6#
- 2.Bg7#
- 1...Sf6
- 2.Sc4#
- 2.Bd6#
- 1...Bf4!
- threat
- 1.Ba8?
- threat
- 2.Sc4#
- 2.Sd7#
- 1...Se6+
- 2.Rxe6#
- 1...Sxa8
- 2.Re6#
- 1...Sd6
- 2.Sd7#
- 2.Bxd6#
- 2.Bg7#
- 1...Sf6
- 2.Sc4#
- 2.Bd6#
- 1...Bf4!
- threat
- 1.Bg7+?
- 1...Sf6
- 2.Bxf6#
- 1...Sxg7!
- 1...Sf6
- 1.Rd6?
- threat
- 2.Sc4#
- 2.Sd7#
- 1...Se6+
- 2.Rxe6#
- 1...Sxd6
- 2.Bg7#
- 1...Sf6
- 2.Sc4#
- 1...Bf4!
- threat
- 1.Qf3?
- threat
- 2.Qxe4#
- 1...Se6+
- 2.Rxe6#
- 1...Sxd5
- 2.Sc4#
- 2.Sd7#
- 2.Re6#
- 1...Sd6
- 2.Bxd6#
- 2.Bg7#
- 1...Sf6
- 2.Bd6#
- 1...e3
- 2.Sc4#
- 2.Sd7#
- 2.Qe4#
- 1...exf3!
- threat
- 1.Bc6?
- Keys
- 1.Rh5!
- threat
- 2.f6#
- 1...Se6+
- 2.fxe6#
- 1...Kf6
- 2.Sd7#
- 1...Sxd5
- 2.Sd7#
- 1...Bf4
- 2.Qa1#
- 1...Sd6
- 2.Bg7#
- 1...Sf6
- 2.Bd6#
- 1...Sg7
- 2.Bxg7#
- threat
- 1.Rh5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 3
- Sets
- S(d);N_GUARD::R1(G)
- S(d);CHECK,N_GUARD::R1(G),XS(d)
- S(e);N_GUARD::B(I)
- Tries
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- S(d);CHECK,N_GUARD::R1(G),XS(d)
- Refutation
- B(a);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- S(d);CHECK,OGATE,XB(D)::R1(G),XS(d)
- Refutation
- P(b);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- S(d);CHECK,N_GUARD::R1(G),XS(d)
- Refutation
- B(a);
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- S(d);CHECK,N_GUARD::R1(G),XS(d)
- S(d);N_GUARD,XB(D)::R1(G)
- Refutation
- B(a);
- Try
- B(I);CHECK
- Vars
- S(e);N_GUARD,P_SPINS(e)::B(I),XS(e)
- Refutation
- S(e);XB(I)
- Try
- R(G);
- Threat
- DUALS(2)
- Vars
- S(d);CHECK,N_GUARD::R1(G),XS(d)
- S(e);N_GUARD,XR(G)::B(I)
- S(e);::S(F)
- Refutation
- B(a);
- Try
- Q(A);
- Threat
- QAR1(A),XP(b)
- Vars
- S(d);CHECK,N_GUARD::R1(G),XS(d)
- S(e);N_GUARD::B(I)
- Refutation
- P(b);XQ(A)
- Try
- Actual
- R(G);
- Threat
- R(G)+P(E)
- Vars
- S(d);CHECK,OGATE::R(G)+P(E),XS(d)
- K(c);N_GUARD,S_FLIGHT::S(F)
- S(d);SBLOCK,XB(D)::S(F)
- B(a);SBLOCK::QAB(A)
- S(e);N_GUARD::B(I)
- S(e);N_GUARD,SBLOCK::B(I)
- S(e);N_GUARD::B(I),XS(e)
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