MESON Chess Problem Database
Problem Display
PID: 264413 (8/Q1p2pNK/1rB3p1/4N3/2P2kPB/2Pp1p2/3P1n2/4R3 w - - 0 1)
Williams, E
1st HM., Sunday Referee, 1935
(First published on Sun Sep 1 1935)
#2
11 + 8
| 15239 | Valois Notebooks | 2022 |
SOLUTION
- SOUND
- Sets
- 1...Rb1
- 2.Qe3#
- 1...Rb2
- 2.Qe3#
- 1...Rb3
- 2.Qe3#
- 1...Rb4
- 2.Qe3#
- 1...Rb5
- 2.Qe3#
- 1...Ra6
- 2.Qe3#
- 1...Rxc6
- 2.Qe3#
- 1...Rb7
- 2.Qe3#
- 1...Rb8
- 2.Qe3#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Sxg4
- 2.Sxd3#
- 2.Re4#
- 1...g5
- 2.Sh5#
- 1...f5
- 2.Se6#
- 1...f6
- 2.Se6#
- 1...Rb1
- Tries
- 1.Kh6?
- 1...Rxc6
- 2.Qe3#
- 1...Se4
- 2.Rxe4#
- 1...Rb1
- 2.Qe3#
- 1...Rb2
- 2.Qe3#
- 1...Rb3
- 2.Qe3#
- 1...Rb4
- 2.Qe3#
- 1...Rb5
- 2.Qe3#
- 1...Ra6
- 2.Qe3#
- 1...Rb7
- 2.Qe3#
- 1...Rb8
- 2.Qe3#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...g5
- 2.Sh5#
- 1...f5
- 2.Se6#
- 1...f6
- 2.Se6#
- 1...Sxg4+!
- 1...Rxc6
- 1.Kg8?
- 1...Rxc6
- 2.Qe3#
- 1...Sxg4
- 2.Sxd3#
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Rb1
- 2.Qe3#
- 1...Rb2
- 2.Qe3#
- 1...Rb3
- 2.Qe3#
- 1...Rb4
- 2.Qe3#
- 1...Rb5
- 2.Qe3#
- 1...Ra6
- 2.Qe3#
- 1...Rb7
- 2.Qe3#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...g5
- 2.Sh5#
- 1...f5
- 2.Se6#
- 1...f6
- 2.Se6#
- 1...Rb8+!
- 1...Rxc6
- 1.Kh8?
- 1...Rxc6
- 2.Qe3#
- 1...Sxg4
- 2.Sxd3#
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...Rb1
- 2.Qe3#
- 1...Rb2
- 2.Qe3#
- 1...Rb3
- 2.Qe3#
- 1...Rb4
- 2.Qe3#
- 1...Rb5
- 2.Qe3#
- 1...Ra6
- 2.Qe3#
- 1...Rb7
- 2.Qe3#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...g5
- 2.Sh5#
- 1...f5
- 2.Se6#
- 1...f6
- 2.Se6#
- 1...Rb8+!
- 1...Rxc6
- 1.Sxd3+?
- 1...Sxd3
- 2.Re4#
- 1...Kxg4!
- 1...Sxd3
- 1.Bxf2?
- 1...Rxc6
- 2.Qe3#
- 1...Rb1
- 2.Qe3#
- 1...Rb2
- 2.Qe3#
- 1...Rb3
- 2.Qe3#
- 1...Rb4
- 2.Qe3#
- 1...Rb5
- 2.Qe3#
- 1...Ra6
- 2.Qe3#
- 1...Rb7
- 2.Qe3#
- 1...Rb8
- 2.Qe3#
- 1...g5
- 2.Sh5#
- 2.Re4#
- 1...f5
- 2.Se6#
- 1...f6
- 2.Se6#
- 1...Kg5!
- 1...Rxc6
- 1.Qxb6?
- threat
- 2.Qe3#
- 1...Sxg4
- 2.Sxd3#
- 2.Re4#
- 2.Qd4#
- 1...Se4
- 2.Rxe4#
- 1...Sd1
- 2.Re4#
- 2.Qd4#
- 1...cxb6!
- threat
- 1.g5?
- 1...Rxc6
- 2.Qe3#
- 1...Se4
- 2.Rxe4#
- 1...Rb1
- 2.Qe3#
- 1...Rb2
- 2.Qe3#
- 1...Rb3
- 2.Qe3#
- 1...Rb4
- 2.Qe3#
- 1...Rb5
- 2.Qe3#
- 1...Ra6
- 2.Qe3#
- 1...Rb7
- 2.Qe3#
- 1...Rb8
- 2.Qe3#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sh3
- 2.Re4#
- 1...Sg4
- 2.Sxd3#
- 2.Re4#
- 1...f5
- 2.Se6#
- 1...f6!
- 1...Rxc6
- 1.Kh6?
- Keys
- 1.Rg1!
- 1...Kxe5
- 2.Qxc7#
- 1...Rxc6
- 2.Qe3#
- 1...Sxg4
- 2.Sxd3#
- 1...Rb1
- 2.Qe3#
- 1...Rb2
- 2.Qe3#
- 1...Rb3
- 2.Qe3#
- 1...Rb4
- 2.Qe3#
- 1...Rb5
- 2.Qe3#
- 1...Ra6
- 2.Qe3#
- 1...Rb7
- 2.Qe3#
- 1...Rb8
- 2.Qe3#
- 1...Sd1
- 2.Sxd3#
- 1...Sh1
- 2.Sxd3#
- 1...Sh3
- 2.Sxd3#
- 1...Se4
- 2.Sxd3#
- 1...g5
- 2.Bg3#
- 1...f5
- 2.Sxg6#
- 1...f6
- 2.Sxg6#
- 1...Kxe5
- 1.Rg1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 7
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- R(e);OGATE::QAB1(I)
- R(e);OGATE,XB(H)::QAB1(I)
- S(a);N_GUARD::R1(A)
- S(a);N_GUARD::R1(A),XS(a)
- P(f);N_GUARD::S(J)
- P(h);N_GUARD::S(J)
- Tries
- Try
- K(K);P-FLIGHT
- Vars
- R(e);OGATE,XB(H)::QAB1(I)
- S(a);N_GUARD::R1(A),XS(a)
- R(e);OGATE::QAB1(I)
- S(a);N_GUARD::R1(A)
- P(f);N_GUARD,P_PINB(H)::S(J)
- P(h);N_GUARD::S(J)
- Refutation
- S(a);CHECK,XP(E)
- Try
- K(K);S_FLIGHT
- Vars
- R(e);OGATE,XB(H)::QAB1(I)
- S(a);N_GUARD::R1(A),XS(a)
- R(e);OGATE::QAB1(I)
- S(a);N_GUARD::R1(A)
- P(f);N_GUARD::S(J)
- P(h);N_GUARD::S(J)
- Refutation
- R(e);CHECK
- Try
- K(K);P-FLIGHT
- Vars
- R(e);OGATE,XB(H)::QAB1(I)
- S(a);N_GUARD::R1(A),XS(a)
- R(e);OGATE::QAB1(I)
- S(a);N_GUARD::R1(A)
- P(f);N_GUARD::S(J)
- P(h);N_GUARD::S(J)
- Refutation
- R(e);CHECK
- Try
- S(G);CHECK,XP(b)
- Vars
- S(a);XS(G)::R1(A)
- Refutation
- K(d);P-FLIGHT,XP(E)
- Try
- B(F);XS(a)
- Vars
- R(e);OGATE,XB(H)::QAB1(I)
- R(e);OGATE::QAB1(I)
- P(h);N_GUARD::S(J)
- Refutation
- K(d);S_FLIGHT
- Try
- Q(I);XR(e)
- Threat
- QAB1(I)
- Vars
- S(a);N_GUARD::R1(A),XS(a)
- Refutation
- P(g);XQ(I)
- Try
- P(E);
- Vars
- R(e);OGATE,XB(H)::QAB1(I)
- S(a);N_GUARD::R1(A),XS(a)
- R(e);OGATE::QAB1(I)
- S(a);N_GUARD::R1(A)
- P(h);N_GUARD,SBLOCK::S(J)
- Refutation
- P(h);
- Try
- Actual
- R(A);
- Vars
- K(d);OGATEB,S_FLIGHT,XS(G)::QAB(I),XP(g)
- R(e);OGATE,XB(H)::QAB1(I)
- S(a);N_GUARD,XP(E)::S(G),XP(b)
- R(e);OGATE::QAB1(I)
- S(a);N_GUARD::S(G),XP(b)
- P(f);SBLOCK::B(F)
- P(h);N_GUARD::S(G),XP(f)
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