MESON Chess Problem Database
Problem Display
PID: 81365 (8/2p1bK2/1qR5/3N2Pk/5QpP/3r2P1/8/1B6 w - - 0 1)
Macleod, Norman Alasdair
2nd HM., British Chess Magazine, 1980
#2
8 + 6
| 6455 | The Chessboard Adventures of Norman Macleod | 1996 |
SOLUTION
- SOUND
- Sets
- 1...Qg1
- 2.Rh6#
- 1...Qf2
- 2.Rh6#
- 1...Qe3
- 2.Rh6#
- 1...Qd4
- 2.Rh6#
- 1...Qa5
- 2.Rh6#
- 1...Qc5
- 2.Rh6#
- 1...Qa7
- 2.Rh6#
- 1...Qxb1
- 2.Rh6#
- 1...Qb2
- 2.Rh6#
- 1...Qb3
- 2.Rh6#
- 1...Qb4
- 2.Rh6#
- 1...Qb5
- 2.Rh6#
- 1...Qb7
- 2.Rh6#
- 1...Qb8
- 2.Rh6#
- 1...Rd1
- 2.Bg6#
- 1...Rd2
- 2.Bg6#
- 1...Ra3
- 2.Bg6#
- 1...Rb3
- 2.Bg6#
- 1...Rc3
- 2.Bg6#
- 1...Re3
- 2.Bg6#
- 1...Rf3
- 2.Bg6#
- 1...Rd4
- 2.Bg6#
- 1...Rxd5
- 2.Bg6#
- 1...Ba3
- 2.Sf6#
- 1...Bb4
- 2.Sf6#
- 1...Bc5
- 2.Sf6#
- 1...Bxg5
- 2.Qxg5#
- 1...Bd6
- 2.Sf6#
- 1...Bf6
- 2.Sxf6#
- 1...Bf8
- 2.Sf6#
- 1...Qg1
- Tries
- 1.Se3?
- threat
- 2.Qxg4#
- 1...Qxe3
- 2.Rh6#
- 1...Rxe3
- 2.Bg6#
- 1...Qd4
- 2.Rh6#
- 1...Qb4
- 2.Rh6#
- 1...Rd4
- 2.Bg6#
- 1...Qb3+!
- threat
- 1.Bxd3?
- threat
- 2.Bg6#
- 1...Bxg5
- 2.Qxg5#
- 1...Qb1
- 2.Rh6#
- 1...Qxc6!
- threat
- 1.Qf5?
- threat
- 2.Sf4#
- 2.Qg6#
- 2.Qh7#
- 1...Qxc6
- 2.Sf4#
- 1...Rxg3
- 2.Qh7#
- 1...Rxd5
- 2.Qg6#
- 2.Qh7#
- 1...Bxg5
- 2.Sf4#
- 2.Qg6#
- 2.Qxg5#
- 1...Qf2
- 2.Rh6#
- 1...Qe3
- 2.Rh6#
- 2.Qg6#
- 2.Qh7#
- 1...Qd4
- 2.Rh6#
- 2.Qg6#
- 2.Qh7#
- 1...Qb3
- 2.Rh6#
- 2.Qg6#
- 2.Qh7#
- 1...Qb4
- 2.Rh6#
- 2.Qg6#
- 2.Qh7#
- 1...Rd4
- 2.Qg6#
- 2.Qh7#
- 1...Bd6
- 2.Sf6#
- 2.Qg6#
- 2.Qh7#
- 1...Bf8
- 2.Sf4#
- 2.Sf6#
- 2.Qg6#
- 1...Rf3!
- threat
- 1.Qf6?
- threat
- 2.Sf4#
- 2.Qh8#
- 2.Qg6#
- 2.Qh6#
- 1...Qxc6
- 2.Sf4#
- 1...Rxg3
- 2.Qh8#
- 2.Qh6#
- 1...Rxd5
- 2.Bg6#
- 2.Qh8#
- 2.Qg6#
- 2.Qh6#
- 1...Bxf6
- 2.Sf4#
- 2.Sxf6#
- 1...Qe3
- 2.Qh8#
- 2.Qg6#
- 2.Qh6#
- 1...Qd4
- 2.Qg6#
- 2.Qh6#
- 1...Qb2
- 2.Sf4#
- 2.Qg6#
- 2.Qh6#
- 1...Qb3
- 2.Qh8#
- 2.Qg6#
- 2.Qh6#
- 1...Qb4
- 2.Qh8#
- 2.Qg6#
- 2.Qh6#
- 1...Qb8
- 2.Sf4#
- 2.Qg6#
- 2.Qh6#
- 1...Rf3
- 2.Bg6#
- 1...Rd4
- 2.Bg6#
- 2.Qh8#
- 2.Qg6#
- 2.Qh6#
- 1...Bd6
- 2.Qh8#
- 2.Qg6#
- 2.Qh6#
- 1...Bf8
- 2.Sf4#
- 2.Qg6#
- 1...Qf2!
- threat
- 1.Se3?
- Keys
- 1.Qe3!
- threat
- 2.Sf4#
- 1...Qxe3
- 2.Rh6#
- 1...Rxd5
- 2.Bg6#
- 1...Bxg5
- 2.Qxg5#
- 1...Qd4
- 2.Rh6#
- 1...Qb3
- 2.Rh6#
- 1...Qb4
- 2.Rh6#
- 1...Rd4
- 2.Bg6#
- 1...Bd6
- 2.Sf6#
- threat
- 1.Qe3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 22
- Sets
- Q(d);N_GUARD::R1(G)
- Q(d);N_GUARD,P_PINQ(C)::R1(G)
- Q(d);N_GUARD,SBLOCK::R1(G)
- Q(d);N_GUARD,XB(A)::R1(G)
- Q(d);N_GUARD,P_PINS(E)::R1(G)
- R(a);OGATE::B(A)
- R(a);OGATE,P_PINQ(C)::B(A)
- R(a);OGATE,XS(E)::B(A)
- B(f);N_GUARD::S(E)
- B(f);OGATE,XP(F)::QAR1(C),XB(f)
- B(f);N_GUARD::S(E),XB(f)
- Tries
- Try
- S(E);
- Threat
- QAB1(C),XP(b)
- Vars
- Q(d);N_GUARD,XS(E)::R1(G)
- R(a);OGATE,XS(E)::B(A)
- Q(d);N_GUARD::R1(G)
- R(a);OGATE::B(A)
- Refutation
- Q(d);CHECK
- Try
- B(A);XR(a)
- Threat
- B(A)
- Vars
- B(f);OGATE,XP(F)::QAR1(C),XB(f)
- Q(d);N_GUARD::R1(G)
- Refutation
- Q(d);XR(G)
- Try
- Q(C);
- Threat
- DUALS(3)
- Vars
- Q(d);XR(G)::S(E)
- R(a);XP(B)::QAR2(C)
- Q(d);N_GUARD,P_PINQ(C)::R1(G)
- Refutation
- R(a);P_PINQ(C)
- Try
- Q(C);
- Threat
- DUALS(4)
- Vars
- Q(d);XR(G)::S(E)
- R(a);OGATE,P_PINQ(C)::B(A)
- Refutation
- Q(d);P_PINQ(C)
- Try
- Actual
- Q(C);
- Threat
- S(E)
- Vars
- Q(d);N_GUARD,XQ(C)::R1(G)
- R(a);OGATE,XS(E)::B(A)
- B(f);OGATE,XP(F)::QAR1(C),XB(f)
- Q(d);N_GUARD::R1(G)
- Q(d);N_GUARD,P_PINS(E)::R1(G)
- R(a);OGATE::B(A)
- B(f);N_GUARD::S(E)
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