MESON Chess Problem Database
Problem Display
PID: 152874 (2qr3b/8/4p3/3kp3/BRR1N3/2PN4/3KQ3/1b6 w - - 0 1)
Harley, Brian
Morning Post, 1934
(First published on Sat Apr 7 1934)
#2
8 + 7
| 15290 | Harley Scrapbook | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Qa6
- 2.Rc5#
- 1...Qb7
- 2.Rc5#
- 1...Qd7
- 2.Rc5#
- 1...Qc5
- 2.Rxc5#
- 1...Qc6
- 2.Bxc6#
- 1...Qa8
- 2.Rc5#
- 1...Qb8
- 2.Bc6#
- 2.Rc5#
- 1...Bxd3
- 2.Qxd3#
- 1...Qa6
- Tries
- 1.Bb3?
- threat
- 2.Rc5#
- 2.Rc7#
- 2.Rxc8#
- 1...Bxd3
- 2.Rc5#
- 2.Qxd3#
- 1...Qc5
- 2.Rxc5#
- 1...Qc7
- 2.Rc5#
- 2.Rxc7#
- 1...Qa6
- 2.Rc5#
- 1...Qb7
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 1...Qd7
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 1...Qc6
- 2.Rd4#
- 2.Rc5#
- 1...Qa8
- 2.Rb5#
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 1...Qb8
- 2.Rc5#
- 2.Rc7#
- 2.Rc8#
- 1...Ba2
- 2.Rc5#
- 1...Bc2
- 2.Rc5#
- 1...Qxc4!
- threat
- 1.Rb5+?
- 1...Qc5
- 2.Sb4#
- 2.Rcxc5#
- 2.Rbxc5#
- 1...Kxc4!
- 1...Qc5
- 1.Rb6?
- threat
- 2.Sb4#
- 1...Kxc4
- 2.Bb3#
- 1...Bxd3
- 2.Qxd3#
- 1...Qc5
- 2.Rxc5#
- 1...Qxc4!
- threat
- 1.Rb7?
- threat
- 2.Sb4#
- 1...Kxc4
- 2.Bb3#
- 1...Qxb7
- 2.Rc5#
- 1...Bxd3
- 2.Qxd3#
- 1...Qc5
- 2.Rxc5#
- 1...Qxc4!
- threat
- 1.Rc7?
- threat
- 2.Bb3#
- 2.Bc6#
- 2.Rb5#
- 1...Bxd3
- 2.Bc6#
- 2.Qxd3#
- 1...Qa6
- 2.Rc5#
- 1...Qb7
- 2.Bb3#
- 2.Rc5#
- 1...Qd7
- 2.Bb3#
- 2.Rc5#
- 1...Qa8
- 2.Bb3#
- 2.Rb5#
- 2.Rc5#
- 1...Qb8
- 2.Bb3#
- 2.Bc6#
- 2.Rc5#
- 1...Rd6
- 2.Bb3#
- 2.Rb5#
- 1...Ba2
- 2.Bc6#
- 2.Rb5#
- 1...Bc2
- 2.Bc6#
- 2.Rb5#
- 1...Qxc7!
- threat
- 1.Rxc8?
- threat
- 2.Bb3#
- 2.Bc6#
- 2.Rb5#
- 2.Rc5#
- 2.Rxd8#
- 1...Bxd3
- 2.Bc6#
- 2.Rc5#
- 2.Rxd8#
- 2.Qxd3#
- 1...Rd6
- 2.Bb3#
- 2.Rb5#
- 2.Rc5#
- 1...Rd7
- 2.Bb3#
- 2.Bc6#
- 2.Rb5#
- 2.Rc5#
- 1...Re8
- 2.Bb3#
- 2.Bc6#
- 2.Rb5#
- 2.Rc5#
- 1...Rf8
- 2.Bb3#
- 2.Bc6#
- 2.Rb5#
- 2.Rc5#
- 1...Rg8
- 2.Bb3#
- 2.Bc6#
- 2.Rb5#
- 2.Rc5#
- 1...Ba2
- 2.Bc6#
- 2.Rb5#
- 2.Rc5#
- 2.Rxd8#
- 1...Bc2
- 2.Bc6#
- 2.Rb5#
- 2.Rc5#
- 2.Rxd8#
- 1...Bf6
- 2.Bb3#
- 2.Bc6#
- 2.Rb5#
- 2.Rc5#
- 1...Rxc8!
- threat
- 1.Qh5?
- threat
- 2.Sf4#
- 2.Rd4#
- 1...Bxd3
- 2.Rd4#
- 1...Qc5
- 2.Sf4#
- 2.Rxc5#
- 1...Rf8
- 2.Rd4#
- 1...Qxc4!
- threat
- 1.Bb3?
- Keys
- 1.Rb8!
- threat
- 2.Sb4#
- 1...Kxc4
- 2.Bb3#
- 1...Qxc4
- 2.Rxd8#
- 1...Qxb8
- 2.Rc5#
- 1...Bxd3
- 2.Qxd3#
- 1...Qb7
- 2.Rc5#
- 1...Qc5
- 2.Rxc5#
- threat
- 1.Rb8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- Q(e);N_GUARD::R1(G)
- Q(e);N_GUARD::R1(G),XQ(e)
- Q(e);N_GUARD::B(E),XQ(e)
- B(a);OGATE,XS(D)::QAR2(B),XB(a)
- Tries
- Try
- B(E);
- Threat
- DUALS(3)
- Vars
- Q(e);::B(E)+R(G),DCHECK,XQ(e)
- Q(e);::B(E)+R(G),DCHECK
- B(a);::B(E)+R(G),DCHECK
- Refutation
- Q(e);P_SPINQ(e),XR(G)
- Try
- R(F);CHECK
- Refutation
- K(b);P_PINS(D),S_FLIGHT,XR(G)
- Try
- R(F);
- Threat
- S(D)
- Vars
- K(b);OGATEB,P_PINS(D),S_FLIGHT,XR(G)::B(E)
- B(a);OGATE,XS(D)::QAR2(B),XB(a)
- Q(e);N_GUARD::R1(G),XQ(e)
- Refutation
- Q(e);XR(G)
- Try
- R(F);
- Threat
- S(D)
- Vars
- K(b);OGATEB,P_PINS(D),S_FLIGHT,XR(G)::B(E)
- Q(e);N_GUARD,XR(F)::R1(G)
- B(a);OGATE,XS(D)::QAR2(B),XB(a)
- Q(e);N_GUARD::R1(G),XQ(e)
- Refutation
- Q(e);XR(G)
- Try
- R(G);
- Threat
- DUALS(3)
- Vars
- Q(e);N_GUARD::R1(G)
- Refutation
- Q(e);XR(G)
- Try
- R(G);XQ(e)
- Threat
- DUALS(5)
- Refutation
- R(f);XR(G)
- Try
- Q(B);P_PINP(c)
- Threat
- DUALS(2)
- Vars
- B(a);XS(D)::R1(G)
- R(f);::R1(G)
- Refutation
- Q(e);XR(G)
- Try
- Actual
- R(F);
- Threat
- S(D)
- Vars
- K(b);OGATEB,P_PINS(D),S_FLIGHT,XR(G)::B(E)
- Q(e);OGATE,SBLOCK,XR(G)::R(F),XR(f)
- Q(e);N_GUARD,XR(F)::R1(G)
- B(a);OGATE,XS(D)::QAR2(B),XB(a)
- Q(e);N_GUARD::R1(G)
- Q(e);N_GUARD::R1(G),XQ(e)
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