MESON Chess Problem Database
Problem Display
PID: 44620 (8/1KN3p1/1Rp3bq/2k3r1/1pNnn1r1/2pPP1B1/3p2Q1/8 w - - 0 1)
Knott, Hubert Edward
British Chess Bulletin, 1910
#2
8 + 12
SOLUTION
- SOUND
- Sets
- 1...Rd5
- 2.Sa6#
- 1...Sc2
- 2.Rxc6#
- 1...Se2
- 2.Rxc6#
- 1...Sb3
- 2.Rxc6#
- 1...Sf3
- 2.Rxc6#
- 1...Sb5
- 2.Rxc6#
- 1...Sf5
- 2.Rxc6#
- 1...Se6
- 2.Rxc6#
- 1...Sf2
- 2.Sa6#
- 2.Bd6#
- 1...Sxg3
- 2.Sa6#
- 1...Sd6+
- 2.Bxd6#
- 1...Sf6
- 2.Sa6#
- 2.Bd6#
- 1...Rd5
- Tries
- 1.Bf2?
- threat
- 2.exd4#
- 1...Sxf2
- 2.Sa6#
- 1...Rd5
- 2.Sa6#
- 1...Sc2
- 2.Rxc6#
- 1...Se2
- 2.Rxc6#
- 1...Sb3
- 2.Rxc6#
- 1...Sf3
- 2.Rxc6#
- 1...Sb5
- 2.Rxc6#
- 1...Sf5
- 2.Rxc6#
- 1...Se6
- 2.Rxc6#
- 1...Sg3
- 2.Sa6#
- 1...Sf6
- 2.Sa6#
- 1...Sd6+!
- threat
- 1.Be5?
- threat
- 2.Bxd4#
- 2.exd4#
- 1...Sd6+
- 2.Bxd6#
- 1...Sc2
- 2.Rxc6#
- 1...Se2
- 2.Rxc6#
- 1...Sb3
- 2.Rxc6#
- 1...Sf3
- 2.Rxc6#
- 1...Sb5
- 2.Rxc6#
- 1...Sf5
- 2.Rxc6#
- 1...Se6
- 2.Rxc6#
- 1...Sf2
- 2.Sa6#
- 2.Bd6#
- 1...Sg3
- 2.Sa6#
- 2.Bd6#
- 1...Sf6
- 2.Sa6#
- 2.Bd6#
- 1...Rxe5!
- threat
- 1.Qxe4?
- threat
- 2.Sa6#
- 2.Bd6#
- 2.Qe7#
- 2.exd4#
- 1...Rxg3
- 2.Sa6#
- 2.Qxd4#
- 2.Qe7#
- 2.exd4#
- 1...Rxe4
- 2.Bd6#
- 1...Qh2
- 2.Sa6#
- 2.Qe7#
- 2.exd4#
- 1...Rf4
- 2.Sa6#
- 2.Qe7#
- 2.exd4#
- 1...Rd5
- 2.Sa6#
- 1...Re5
- 2.Sa6#
- 2.Qxe5#
- 2.exd4#
- 1...Bf5
- 2.Sa6#
- 2.Qe5#
- 2.exd4#
- 1...Bh5
- 2.Sa6#
- 2.exd4#
- 1...Bf7
- 2.Sa6#
- 2.exd4#
- 1...Bh7
- 2.Sa6#
- 2.exd4#
- 1...Be8
- 2.Sa6#
- 2.exd4#
- 1...Sc2
- 2.Sa6#
- 2.Se6#
- 2.Bd6#
- 2.Rxc6#
- 2.Qxc6#
- 2.Qe7#
- 1...Se2
- 2.Sa6#
- 2.Se6#
- 2.Bd6#
- 2.Rxc6#
- 2.Qxc6#
- 2.Qe7#
- 1...Sb3
- 2.Sa6#
- 2.Se6#
- 2.Bd6#
- 2.Rxc6#
- 2.Qxc6#
- 2.Qe7#
- 1...Sf3
- 2.Sa6#
- 2.Se6#
- 2.Bd6#
- 2.Rxc6#
- 2.Qxc6#
- 2.Qe7#
- 1...Sb5
- 2.Sa6#
- 2.Se6#
- 2.Rxc6#
- 2.Qxc6#
- 1...Sf5
- 2.Sa6#
- 2.Se6#
- 2.Rxc6#
- 2.Qxc6#
- 2.Qe5#
- 1...Se6
- 2.Sa6#
- 2.Sxe6#
- 2.Bd6#
- 2.Rxc6#
- 2.Qxc6#
- 1...Bxe4!
- threat
- 1.Qg1?
- threat
- 2.exd4#
- 1...Sd6+
- 2.Bxd6#
- 1...Rd5
- 2.Sa6#
- 1...Sc2
- 2.Rxc6#
- 1...Se2
- 2.Rxc6#
- 1...Sb3
- 2.Rxc6#
- 1...Sf3
- 2.Rxc6#
- 1...Sb5
- 2.Rxc6#
- 1...Sf5
- 2.Rxc6#
- 1...Se6
- 2.Rxc6#
- 1...Sf2
- 2.Bd6#
- 1...Sf6
- 2.Bd6#
- 1...Sxg3!
- threat
- 1.Bf2?
- Keys
- 1.Qf2!
- threat
- 2.exd4#
- 1...Sd6+
- 2.Bxd6#
- 1...Sxf2
- 2.Bd6#
- 1...Sxg3
- 2.Qf8#
- 1...Rd5
- 2.Sa6#
- 1...Sc2
- 2.Rxc6#
- 1...Se2
- 2.Rxc6#
- 1...Sb3
- 2.Rxc6#
- 1...Sf3
- 2.Rxc6#
- 1...Sb5
- 2.Rxc6#
- 1...Sf5
- 2.Rxc6#
- 1...Se6
- 2.Rxc6#
- 1...Sf6
- 2.Bd6#
- threat
- 1.Qf2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(h);SBLOCK::S(H)
- S(d);N_GUARD::R1(F),XP(i)
- S(e);XB(D)::S(H)
- S(e);CHECK,N_GUARD::B(D),XS(e)
- Tries
- Try
- B(D);
- Threat
- P(C),XS(d)
- Vars
- S(e);XB(D)::S(H)
- R(h);SBLOCK::S(H)
- S(d);N_GUARD::R1(F),XP(i)
- S(e);::S(H)
- Refutation
- S(e);CHECK
- Try
- B(D);
- Threat
- DUALS(2)
- Vars
- S(e);CHECK,N_GUARD::B(D),XS(e)
- S(d);N_GUARD::R1(F),XP(i)
- Refutation
- R(h);XB(D)
- Try
- Q(A);XS(e)
- Threat
- DUALS(4)
- Vars
- R(f);XQ(A)::B(D)
- R(h);::S(H)
- Refutation
- B(j);XQ(A)
- Try
- Q(A);
- Threat
- P(C),XS(d)
- Vars
- S(e);CHECK,N_GUARD::B(D),XS(e)
- R(h);SBLOCK::S(H)
- S(d);N_GUARD::R1(F),XP(i)
- S(e);N_GUARD::B(D)
- Refutation
- S(e);XB(D)
- Try
- Actual
- Q(A);
- Threat
- P(C),XS(d)
- Vars
- S(e);CHECK,N_GUARD::B(D),XS(e)
- S(e);N_GUARD,XQ(A)::B(D)
- S(e);N_GUARD,XB(D)::QAB(A)
- R(h);SBLOCK::S(H)
- S(d);N_GUARD::R1(F),XP(i)
- S(e);N_GUARD::B(D)
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