MESON Chess Problem Database
Problem Display
PID: 199866 (b4b2/4n3/1p3B2/rR3Q2/P1k1N1Rn/8/1pPp4/r4N1K w - - 0 1)
Stott, Thomas Middleton
The Observer, 1946
(First published on Sun Oct 20 1946)
#2
9 + 10
| 15239 | Valois Notebooks | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Rxf1+
- 2.Qxf1#
- 1...Ra2
- 2.Sxd2#
- 2.Se3#
- 1...Ra3
- 2.Sxd2#
- 1...R1xa4
- 2.Sxd2#
- 2.Se3#
- 1...Rxb5
- 2.Qxb5#
- 1...Bxe4+
- 2.Rxe4#
- 2.Qxe4#
- 1...Sg2
- 2.Sxd2#
- 2.Sd6#
- 1...Sf3
- 2.Sxd2#
- 2.Sd6#
- 1...Sd5
- 2.Sxd2#
- 2.Sd6#
- 1...Sc6
- 2.Sxd2#
- 2.Sd6#
- 2.Qe6#
- 2.Qd5#
- 1...b1S
- 2.Se3#
- 1...b1B
- 2.Sxd2#
- 2.Se3#
- 1...d1S
- 2.Sd2#
- 1...d1B
- 2.Sd2#
- 2.Se3#
- 1...Rxf1+
- Tries
- 1.Kg1?
- threat
- 2.Sxd2#
- 2.Sd6#
- 1...Rxf1+
- 2.Qxf1#
- 1...Bxe4
- 2.Rxe4#
- 2.Qxe4#
- 1...d1Q
- 2.Sd2#
- 2.Sd6#
- 1...d1S
- 2.Sfd2#
- 2.Sed2#
- 2.Sd6#
- 1...d1B
- 2.Sfd2#
- 2.Se3#
- 2.Sed2#
- 2.Sd6#
- 1...d1R
- 2.Sd2#
- 2.Sd6#
- 1...Sf3+!
- threat
- 1.Kh2?
- threat
- 2.Sfxd2#
- 2.Se3#
- 2.Sexd2#
- 2.Sd6#
- 1...Rxf1
- 2.Sxd2#
- 2.Sd6#
- 2.Qxf1#
- 1...Rxb5
- 2.Sexd2#
- 2.Sd6#
- 2.Qxb5#
- 1...Bxe4
- 2.Sxd2#
- 2.Se3#
- 2.Rxe4#
- 2.Qxe4#
- 1...Shxf5
- 2.Sfxd2#
- 2.Sexd2#
- 2.Sd6#
- 1...Sexf5
- 2.Sfxd2#
- 2.Sexd2#
- 2.Sd6#
- 1...b1S
- 2.Se3#
- 2.Sexd2#
- 2.Sd6#
- 1...d1Q
- 2.Se3#
- 2.Sed2#
- 2.Sd6#
- 1...d1S
- 2.Sfd2#
- 2.Sed2#
- 2.Sd6#
- 1...d1B
- 2.Sfd2#
- 2.Se3#
- 2.Sed2#
- 2.Sd6#
- 1...d1R
- 2.Se3#
- 2.Sed2#
- 2.Sd6#
- 1...Rd1
- 2.Se3#
- 2.Sexd2#
- 2.Sd6#
- 1...Re1
- 2.Sfxd2#
- 2.Sexd2#
- 2.Sd6#
- 1...Ra3
- 2.Sfxd2#
- 2.Sexd2#
- 2.Sd6#
- 1...Bh6
- 2.Sexd2#
- 2.Sd6#
- 1...Sg2
- 2.Sfxd2#
- 2.Sexd2#
- 2.Sd6#
- 1...Sd5
- 2.Sfxd2#
- 2.Sexd2#
- 2.Sd6#
- 1...Sf3+!
- threat
- 1.Rg1?
- threat
- 2.Sxd2#
- 2.Se3#
- 1...Bxe4+
- 2.Qxe4#
- 1...Rxf1
- 2.Qxf1#
- 1...Rxb5
- 2.Qxb5#
- 1...Shxf5
- 2.Sxd2#
- 1...Sexf5
- 2.Sxd2#
- 1...b1S
- 2.Se3#
- 1...d1Q
- 2.Se3#
- 1...d1S
- 2.Sd2#
- 1...d1B
- 2.Sd2#
- 2.Se3#
- 1...d1R
- 2.Se3#
- 1...Rd1
- 2.Se3#
- 1...Re1
- 2.Sxd2#
- 1...Ra3
- 2.Sxd2#
- 1...Sg2
- 2.Sfxd2#
- 2.Sexd2#
- 2.Sd6#
- 1...Sf3
- 2.Se3#
- 2.Sd6#
- 1...Sd5
- 2.Sfxd2#
- 2.Sexd2#
- 1...Bh6!
- threat
- 1.Qe6+?
- 1...Sd5
- 2.Sxd2#
- 2.Sf2#
- 2.Sc3#
- 2.Sg3#
- 2.Sc5#
- 2.Sg5#
- 2.Sd6#
- 1...Bd5!
- 1...Sd5
- 1.Qf3?
- threat
- 2.Sxd2#
- 2.Sd6#
- 2.Qe2#
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 1...Rxf1+
- 2.Qxf1#
- 1...R1xa4
- 2.Sd6#
- 2.Qe2#
- 2.Qb3#
- 2.Qd3#
- 1...R5xa4
- 2.Sd6#
- 2.Qe2#
- 2.Qb3#
- 2.Qd3#
- 1...Bxe4
- 2.Rxe4#
- 2.Qxe4#
- 1...Sxf3
- 2.Sxd2#
- 2.Sd6#
- 1...b1Q
- 2.Sxd2#
- 2.Sd6#
- 2.Qe2#
- 2.Qc3#
- 2.Qd3#
- 1...b1S
- 2.Se3#
- 2.Sexd2#
- 2.Sd6#
- 2.Qe2#
- 2.Qb3#
- 2.Qd3#
- 1...b1R
- 2.Sxd2#
- 2.Sd6#
- 2.Qe2#
- 2.Qc3#
- 2.Qd3#
- 1...d1Q
- 2.Sd2#
- 2.Sd6#
- 2.Qb3#
- 2.Qc3#
- 1...d1S
- 2.Sfd2#
- 2.Sed2#
- 2.Sd6#
- 2.Qe2#
- 2.Qb3#
- 2.Qd3#
- 1...d1B
- 2.Sfd2#
- 2.Se3#
- 2.Sed2#
- 2.Sd6#
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 1...d1R
- 2.Sd2#
- 2.Sd6#
- 2.Qb3#
- 2.Qc3#
- 1...Re1
- 2.Sxd2#
- 2.Sd6#
- 2.Qb3#
- 2.Qc3#
- 2.Qd3#
- 1...Ra3
- 2.Sfxd2#
- 2.Sexd2#
- 2.Sd6#
- 1...Sd5
- 2.Sxd2#
- 2.Sd6#
- 2.Qe2#
- 2.Qb3#
- 2.Qd3#
- 1...Rxb5!
- threat
- 1.Qd5+?
- 1...Sxd5
- 2.Sxd2#
- 2.Sd6#
- 1...Bxd5!
- 1...Sxd5
- 1.Kg1?
- Keys
- 1.Rg3!
- threat
- 2.Rc3#
- 1...Rxf1+
- 2.Qxf1#
- 1...Bxe4+
- 2.Qxe4#
- 1...Rxb5
- 2.Qxb5#
- 1...b1S
- 2.Se3#
- 1...d1S
- 2.Sd2#
- 1...Ra3
- 2.Sxd2#
- 1...Sf3
- 2.Sd6#
- 1...Sd5
- 2.Sxd2#
- threat
- 1.Rg3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 0
- Sets
- R(a);CHECK,OGATE,P_PINS(E),XS(A)::QAB(H),XR(a)
- R(a);N_PINS(A),P_PINS(E)::S(A),XP(c)
- R(f);OGATE,XR(G)::QAB1(H),XR(f)
- P(b);N_PINS(A),P_PINS(E)::S(A)
- P(c);N_PINS(A),P_PINS(E)::S(A)
- Tries
- Try
- K(B);P-FLIGHT
- Threat
- DUALS(2)
- Vars
- R(a);CHECK,OGATE,XS(A)::QAB(H),XR(a)
- Refutation
- S(e);CHECK
- Try
- K(B);N_SPINS(A),P-FLIGHT
- Threat
- DUALS(4)
- Refutation
- S(e);CHECK
- Try
- R(F);N_SPINS(A),P_SPINS(E)
- Threat
- DUALS(2)
- Vars
- B(i);CHECK,OGATE,XS(E)::QAR2(H),XB(i)
- R(a);OGATE,P_PINR(F),XS(A)::QAB(H),XR(a)
- R(f);OGATE,XR(G)::QAB1(H),XR(f)
- S(e);XQ(H)::S(A),XP(c)
- S(h);XQ(H)::S(A),XP(c)
- P(b);::S(A)
- P(c);::S(A)
- R(a);::S(A)
- R(a);::S(A),XP(c)
- Refutation
- B(j);
- Try
- Q(H);CHECK
- Refutation
- B(i);P_SPINB(i)
- Try
- Q(H);
- Threat
- DUALS(6)
- Vars
- R(a);CHECK,OGATE,XS(A)::QAB(H),XR(a)
- Refutation
- R(f);XR(G)
- Try
- Q(H);CHECK
- Refutation
- B(i);XQ(H)
- Try
- Actual
- R(F);
- Threat
- R1(F)
- Vars
- R(a);CHECK,OGATE,P_PINS(E),XS(A)::QAB(H),XR(a)
- B(i);CHECK,OGATE,XS(E)::QAR2(H),XB(i)
- R(f);OGATE,XR(G)::QAB1(H),XR(f)
- P(b);N_PINS(A),P_PINS(E)::S(A)
- P(c);N_PINS(A),P_PINS(E)::S(A)
- R(a);N_PINS(A),P_PINS(E)::S(A),XP(c)
- S(e);::S(E)
- S(h);::S(E),XP(c)
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