MESON Chess Problem Database
Problem Display
PID: 153023 (4r3/1R3N2/4k1p1/p2rp1Bb/P4nP1/3n1Q2/B2N4/1K6 w - - 0 1)
Harley, Brian
The Problemist, 1936
#2
9 + 9
| 136 | Problem Observer | 2001 |
| 136 | Problem Observer | 2006 |
| 15290 | Harley Scrapbook | 2014 |
SOLUTION
- SOUND
- Sets
- 1...Re7
- 2.Rxe7#
- 1...Ra8
- 2.Re7#
- 1...Rc8
- 2.Re7#
- 1...Rd8
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Bxg4
- 2.Qxg4#
- 1...Se2
- 2.Bxd5#
- 2.Qxd5#
- 2.Qf6#
- 1...Sg2
- 2.Bxd5#
- 2.Qxd5#
- 2.Qf6#
- 1...Sh3
- 2.Bxd5#
- 2.Qxd5#
- 2.Qf6#
- 1...Re7
- Tries
- 1.Se4?
- 1...Bxg4
- 2.Qxg4#
- 1...Re7
- 2.Sd8#
- 2.Rxe7#
- 1...Sc1
- 2.Sc5#
- 1...Ra8
- 2.Re7#
- 1...Rc8
- 2.Re7#
- 1...Rd8
- 2.Sxd8#
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Se1
- 2.Sc5#
- 1...Sb2
- 2.Sc5#
- 1...Sf2
- 2.Sc5#
- 1...Sb4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Se2
- 2.Qf6#
- 1...Sg2
- 2.Qf6#
- 1...Sh3
- 2.Qf6#
- 1...Rb8!
- 1...Bxg4
- 1.Sd8+?
- 1...Kd6
- 2.Se4#
- 1...Rxd8!
- 1...Kd6
- 1.Qe3?
- threat
- 2.Qb6#
- 1...Re7
- 2.Rxe7#
- 1...Rc8
- 2.Re7#
- 1...Rd8
- 2.Re7#
- 1...Sb4
- 2.Qxe5#
- 1...Sc5
- 2.Qxe5#
- 1...Bxg4!
- threat
- 1.Se4?
- Keys
- 1.Sb3!
- 1...Bxg4
- 2.Qxg4#
- 1...Rd7
- 2.Sd4#
- 2.Sc5#
- 1...Re7
- 2.Rxe7#
- 1...Sc1
- 2.Sc5#
- 1...Rd4
- 2.Sxd4#
- 2.Sc5#
- 1...Rb5
- 2.Qc6#
- 1...Rc5
- 2.Sd4#
- 2.Sxc5#
- 1...Rd6
- 2.Sd4#
- 2.Sc5#
- 1...Rdd8
- 2.Sd4#
- 2.Sc5#
- 1...Ra8
- 2.Re7#
- 1...Rb8
- 2.Re7#
- 1...Rc8
- 2.Re7#
- 1...Red8
- 2.Re7#
- 1...Rf8
- 2.Re7#
- 1...Rg8
- 2.Re7#
- 1...Rh8
- 2.Re7#
- 1...Se1
- 2.Sc5#
- 1...Sb2
- 2.Sc5#
- 1...Sf2
- 2.Sc5#
- 1...Sb4
- 2.Sc5#
- 1...Sc5
- 2.Sxc5#
- 1...Se2
- 2.Qf6#
- 1...Sg2
- 2.Qf6#
- 1...Sh3
- 2.Qf6#
- 1...e4
- 2.Sd4#
- 1...Bxg4
- 1.Sb3!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 0
- ADDED MATES = 12
- REMOVED MATES = 0
- Sets
- R(i);N_GUARD::R1(H),XR(i)
- R(i);N_GUARD::R1(H)
- B(f);OGATE,XP(F)::QAB(D),XB(f)
- Tries
- Try
- S(C);
- Vars
- B(f);OGATE,XP(F)::QAB(D),XB(f)
- S(a);N_GUARD::S(C)
- R(i);N_GUARD::R1(H)
- S(a);N_GUARD::S(C),XS(a)
- S(b);OGATE::QAR1(D)
- Refutation
- R(i);P_PINR(H)
- Try
- S(I);CHECK
- Vars
- K(g);N_SPINR(d),P-FLIGHT::S(C)
- Refutation
- R(i);XS(I)
- Try
- Q(D);P_PINP(e)
- Threat
- QAR(D)
- Vars
- R(i);N_GUARD::R1(H),XR(i)
- R(i);N_GUARD::R1(H)
- S(a);N_GUARD::QAR1(D),XP(e)
- Refutation
- B(f);XP(F)
- Try
- Actual
- S(C);N_PINR(d)
- Vars
- B(f);OGATE,XP(F)::QAB(D),XB(f)
- R(i);N_GUARD::R1(H),XR(i)
- S(a);N_GUARD::S(C)
- R(d);OGATE,P_PINS(C)::QAR2(D)
- R(i);N_GUARD::R1(H)
- S(a);N_GUARD::S(C),XS(a)
- S(b);OGATE::QAR1(D)
- P(e);N_GUARD::S(C)
Developed and maintained by Brian Stephenson.
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