MESON Chess Problem Database
Problem Display
PID: 17522 (2R3K1/1Q6/2N5/4P3/1bkP4/4R3/q1p5/6B1 w - - 0 1)
Whyatt, William Albert
Melbourne Leader, 1947
#2
8 + 4
| 3310 | 2345 Chess Problems | 1997 |
SOLUTION
- SOUND
- Sets
- 1...Kd5
- 2.Qf7#
- 1...Kd5
- Tries
- 1.Rf3?
- threat
- 2.Sxb4#
- 2.Sa5#
- 1...Kd5
- 2.Sd8#
- 1...Qa4
- 2.Sa5#
- 1...Qa5
- 2.Sxa5#
- 1...Qa6
- 2.Sa5#
- 1...Qa7
- 2.Sa5#
- 1...Qa8
- 2.Sa5#
- 1...Be1
- 2.Sb4#
- 2.Sa5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Bd2
- 2.Sb4#
- 2.Sa5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Ba3
- 2.Sb4#
- 2.Sa5#
- 1...Bc3
- 2.Sa5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Ba5
- 2.Sxa5#
- 1...Bd6
- 2.Sa5#
- 1...Be7
- 2.Sa5#
- 2.Sxe7#
- 1...Bf8
- 2.Sa5#
- 2.Se7#
- 1...Bc5!
- threat
- 1.Rg3?
- threat
- 2.Sxb4#
- 2.Sa5#
- 1...Kd5
- 2.Sd8#
- 1...Qa4
- 2.Sa5#
- 1...Qa5
- 2.Sxa5#
- 1...Qa6
- 2.Sa5#
- 1...Qa7
- 2.Sa5#
- 1...Qa8
- 2.Sa5#
- 1...Be1
- 2.Sb4#
- 2.Sa5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Bd2
- 2.Sb4#
- 2.Sa5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Ba3
- 2.Sb4#
- 2.Sa5#
- 1...Bc3
- 2.Sa5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Ba5
- 2.Sxa5#
- 1...Bd6
- 2.Sa5#
- 1...Be7
- 2.Sa5#
- 2.Sxe7#
- 1...Bf8
- 2.Sa5#
- 2.Se7#
- 1...Bc5!
- threat
- 1.Rh3?
- threat
- 2.Sxb4#
- 2.Sa5#
- 1...Kd5
- 2.Sd8#
- 1...Qa4
- 2.Sa5#
- 1...Qa5
- 2.Sxa5#
- 1...Qa6
- 2.Sa5#
- 1...Qa7
- 2.Sa5#
- 1...Qa8
- 2.Sa5#
- 1...Be1
- 2.Sb4#
- 2.Sa5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Bd2
- 2.Sb4#
- 2.Sa5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Ba3
- 2.Sb4#
- 2.Sa5#
- 1...Bc3
- 2.Sa5#
- 2.Sa7#
- 2.Se7#
- 2.Sb8#
- 2.Sd8#
- 1...Ba5
- 2.Sxa5#
- 1...Bd6
- 2.Sa5#
- 1...Be7
- 2.Sa5#
- 2.Sxe7#
- 1...Bf8
- 2.Sa5#
- 2.Se7#
- 1...Bc5!
- threat
- 1.Qa6+?
- 1...Kd5
- 2.Qxa2#
- 1...Qxa6!
- 1...Kd5
- 1.Rf3?
- Keys
- 1.Rb3!
- threat
- 2.Sa5#
- 1...Kxb3
- 2.Qxb4#
- 1...Kd5
- 2.Sd8#
- 1...Qxb3
- 2.Sxb4#
- 1...Qa5
- 2.Sxa5#
- 1...Bc3
- 2.Qb5#
- 1...Ba5
- 2.Sxa5#
- 2.Qb5#
- 2.Qf7#
- 1...Bc5
- 2.Qf7#
- threat
- 1.Rb3!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 5
- REMOVED MATES = 0
- Sets
- K(d);S_FLIGHT::QAB(F)
- Tries
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT::QAB(F)+S(E)
- Q(a);::R(G)+S(E),DCHECK
- Q(a);::R(G)+S(E),DCHECK,XQ(a)
- Q(a);P_PINR(G)::R(G)+S(E),DCHECK
- B(c);::R(G)+S(E),DCHECK,XB(c)
- B(c);::R(G)+S(E),DCHECK
- Refutation
- B(c);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT::QAB(F)+S(E)
- Q(a);::R(G)+S(E),DCHECK
- Q(a);::R(G)+S(E),DCHECK,XQ(a)
- Q(a);P_PINR(G)::R(G)+S(E),DCHECK
- B(c);::R(G)+S(E),DCHECK,XB(c)
- B(c);::R(G)+S(E),DCHECK
- Refutation
- B(c);
- Try
- R(B);
- Threat
- DUALS(2)
- Vars
- K(d);S_FLIGHT::QAB(F)+S(E)
- Q(a);::R(G)+S(E),DCHECK
- Q(a);::R(G)+S(E),DCHECK,XQ(a)
- Q(a);P_PINR(G)::R(G)+S(E),DCHECK
- B(c);::R(G)+S(E),DCHECK,XB(c)
- B(c);::R(G)+S(E),DCHECK
- Refutation
- B(c);
- Try
- Q(F);CHECK
- Vars
- K(d);S_FLIGHT::QAB(F),XQ(a)
- Refutation
- Q(a);XQ(F)
- Try
- Actual
- R(B);
- Threat
- R(G)+S(E),DCHECK
- Vars
- K(d);P_SPINB(c),S_FLIGHT,XR(B)::QAR1(F),XB(c)
- K(d);S_FLIGHT::QAB(F)+S(E)
- Q(a);SBLOCK,XR(B)::R(G)+S(E),XB(c)
- Q(a);::R(G)+S(E),DCHECK,XQ(a)
- B(c);::QAB1(F)
- B(c);::QAB(F)
Developed and maintained by Brian Stephenson.
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CSS/Javascript (jQuery, Bootstrap & DataTables).