MESON Chess Problem Database
Problem Display
PID: 145663 (8/4N3/4p1n1/2p1p3/2P1k3/1K1Np3/2P3P1/Q5B1 w - - 0 1)
Bridgwater, Ralph Herbert
The Observer, 1922
(First published on Sun Dec 3 1922)
#2
8 + 6
| 15372 | Bridgwater Scrapbook | 2012 |
| 15239 | Valois Notebooks | 2017 |
SOLUTION
- SOUND
- Sets
- 1...Sf4
- 2.Sxc5#
- 2.Qxe5#
- 1...Sh4
- 2.Qxe5#
- 1...Sxe7
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...e2
- 2.Qa8#
- 1...Sf4
- Tries
- 1.Ka2?
- 1...Sxe7
- 2.Qxe5#
- 1...Sf4
- 2.Sxc5#
- 2.Qxe5#
- 1...Sh4
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...e2!
- 1...Sxe7
- 1.Ka3?
- 1...Sxe7
- 2.Qxe5#
- 1...Sf4
- 2.Sxc5#
- 2.Qxe5#
- 1...Sh4
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...e2!
- 1...Sxe7
- 1.Kc3?
- threat
- 2.Qa8#
- 1...Sf4
- 2.Sxc5#
- 1...Sxe7!
- threat
- 1.Ka4?
- 1...Sxe7
- 2.Qxe5#
- 1...Sf4
- 2.Sxc5#
- 2.Qxe5#
- 1...Sh4
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...e2!
- 1...Sxe7
- 1.Bf2?
- 1...Sxe7
- 2.Qxe5#
- 1...e2
- 2.Qa8#
- 1...Sf4
- 2.Sxc5#
- 2.Qxe5#
- 1...Sh4
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...exf2!
- 1...Sxe7
- 1.Bh2?
- threat
- 2.Sxc5#
- 1...Sxe7
- 2.Qxe5#
- 1...e2!
- threat
- 1.Bxe3?
- 1...Sxe7
- 2.Qxe5#
- 1...Sf4
- 2.Qxe5#
- 1...Sh4
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...Kxe3!
- 1...Sxe7
- 1.Qb2?
- 1...Sxe7
- 2.Qxe5#
- 1...Sf4
- 2.Sxc5#
- 2.Qxe5#
- 1...Sh4
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...e2!
- 1...Sxe7
- 1.Qc3?
- 1...Sxe7
- 2.Qxe5#
- 1...Sf4
- 2.Sxc5#
- 2.Qxe5#
- 1...Sh4
- 2.Qxe5#
- 1...Sf8
- 2.Qxe5#
- 1...Sh8
- 2.Qxe5#
- 1...e2!
- 1...Sxe7
- 1.Qc1?
- threat
- 2.Qxe3#
- 1...Kd4
- 2.Qxe3#
- 1...e2
- 2.Sxc5#
- 2.Qe3#
- 1...Sxe7!
- threat
- 1.Qe1?
- threat
- 2.Qxe3#
- 1...Kd4
- 2.Qxe3#
- 1...e2
- 2.Qxe2#
- 1...Sxe7!
- threat
- 1.Ka2?
- Keys
- 1.Qd1!
- 1...Kd4
- 2.Sf2#
- 1...Sxe7
- 2.Qg4#
- 1...e2
- 2.Qxe2#
- 1...Sf4
- 2.Sxc5#
- 1...Sh4
- 2.Qg4#
- 1...Sf8
- 2.Qg4#
- 1...Sh8
- 2.Qg4#
- 1...Kd4
- 1.Qd1!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 5
- ADDED MATES = 2
- REMOVED MATES = 0
- Sets
- S(f);N_GUARD::QAR1(A),XP(d)
- S(f);N_GUARD,XS(H)::QAR1(A),XP(d)
- P(a);::QAB(A)
- Tries
- Try
- K(E);S_FLIGHT
- Vars
- S(f);N_GUARD,XS(H)::QAR1(A),XP(d)
- S(f);N_GUARD::QAR1(A),XP(d)
- Refutation
- P(a);
- Try
- K(E);P-FLIGHT
- Vars
- S(f);N_GUARD,XS(H)::QAR1(A),XP(d)
- S(f);N_GUARD::QAR1(A),XP(d)
- Refutation
- P(a);
- Try
- K(E);P-FLIGHT
- Threat
- QAB(A)
- Vars
- S(f);SBLOCK::S(F),XP(c)
- Refutation
- S(f);XS(H)
- Try
- K(E);S_FLIGHT
- Vars
- S(f);N_GUARD,XS(H)::QAR1(A),XP(d)
- S(f);N_GUARD::QAR1(A),XP(d)
- Refutation
- P(a);
- Try
- B(B);
- Vars
- S(f);N_GUARD,XS(H)::QAR1(A),XP(d)
- P(a);::QAB(A)
- S(f);N_GUARD::QAR1(A),XP(d)
- Refutation
- P(a);XB(B)
- Try
- B(B);
- Threat
- S(F),XP(c)
- Vars
- S(f);N_GUARD,XS(H)::QAR1(A),XP(d)
- Refutation
- P(a);
- Try
- B(B);XP(a)
- Vars
- S(f);N_GUARD,XS(H)::QAR1(A),XP(d)
- S(f);N_GUARD::QAR1(A),XP(d)
- Refutation
- K(b);P-FLIGHT,XB(B)
- Try
- Q(A);
- Vars
- S(f);N_GUARD,XS(H)::QAR1(A),XP(d)
- S(f);N_GUARD::QAR1(A),XP(d)
- Refutation
- P(a);
- Try
- Q(A);
- Vars
- S(f);N_GUARD,XS(H)::QAR1(A),XP(d)
- S(f);N_GUARD::QAR1(A),XP(d)
- Refutation
- P(a);
- Try
- Q(A);
- Threat
- QAR1(A),XP(a)
- Vars
- K(b);P-FLIGHT,P_SPINP(a)::QAB1(A),XP(a)
- Refutation
- S(f);XS(H)
- Try
- Q(A);P_PINP(a)
- Threat
- QAR1(A),XP(a)
- Vars
- K(b);P-FLIGHT::QAB1(A),XP(a)
- P(a);OGATEB::QAR2(A),XP(a)
- Refutation
- S(f);XS(H)
- Try
- Actual
- Q(A);
- Vars
- K(b);P-FLIGHT,P_SPINP(a)::QAR(A)+S(F)
- S(f);N_GUARD,XS(H)::QAR2(A)
- P(a);OGATEB::QAR2(A),XP(a)
- S(f);SBLOCK::S(F),XP(c)
- S(f);N_GUARD::QAR2(A)
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