MESON Chess Problem Database
Problem Display
PID: 144145 (2B1K1n1/2p2Q2/3BNp1p/1N3k2/2R3q1/2n3pb/3Pp1P1/4b3 w - - 0 1)
Mackenzie, Arthur Ford
1st Prize, Norwood News, 1902
#2
9 + 11
| 15 | British Chess Magazine | 1902 |
| 15 | British Chess Magazine | 1903 |
| 14868 | Pirnie Collection | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Qf3
- 2.Qh7#
- 1...Qh5
- 2.Rf4#
- 2.Qxh5#
- 1...Qe4
- 2.Qh5#
- 1...Qf4
- 2.Rxf4#
- 1...Qh4
- 2.Qh7#
- 1...Qg5
- 2.Sf4#
- 2.Sc5#
- 2.Sexc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Qg6
- 2.Rf4#
- 1...Qg7
- 2.Rf4#
- 1...Se4
- 2.Sbd4#
- 1...Qf3
- Tries
- 1.Sbd4+?
- 1...Ke4
- 2.Sc5#
- 1...Qxd4!
- 1...Ke4
- 1.Bf4?
- threat
- 2.Sc5#
- 2.Sg5#
- 2.Sexc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Qg5
- 2.Sc5#
- 2.Sxg5#
- 2.Sexc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Qg7
- 2.Sc5#
- 2.Sg5#
- 2.Sexc7#
- 2.Sxg7#
- 2.Sd8#
- 2.Sf8#
- 1...Se4
- 2.Sbd4#
- 1...Se7
- 2.Sg7#
- 1...c5
- 2.Sd6#
- 2.Sxc5#
- 2.Sg5#
- 2.Sec7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...c6
- 2.Sd6#
- 2.Sc5#
- 2.Sg5#
- 2.Sec7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 1...Qxf4!
- threat
- 1.Rxg4?
- threat
- 2.Sed4#
- 2.Sc5#
- 2.Sg5#
- 2.Sexc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.Rf4#
- 2.Qh5#
- 2.Qg6#
- 1...Bxd2
- 2.Sed4#
- 2.Sc5#
- 2.Sg5#
- 2.Sexc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.Qg6#
- 1...Bxg4
- 2.Qh7#
- 1...cxd6
- 2.Qh5#
- 1...Se4
- 2.Sed4#
- 2.Sf4#
- 2.Sc5#
- 2.Sg5#
- 2.Sexc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.Rf4#
- 2.Qg6#
- 1...Sd5
- 2.Sed4#
- 2.Sc5#
- 2.Sg5#
- 2.Sexc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.Qh5#
- 2.Qg6#
- 1...Se7
- 2.Sed4#
- 2.Sg7#
- 2.Rf4#
- 2.Qh5#
- 1...h5
- 2.Sed4#
- 2.Sc5#
- 2.Sg5#
- 2.Sexc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.Rf4#
- 2.Qxh5#
- 2.Qg6#
- 1...c5
- 2.Sed4#
- 2.Sxc5#
- 2.Sg5#
- 2.Sec7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.Rf4#
- 2.Qh5#
- 2.Qg6#
- 1...c6
- 2.Sed4#
- 2.Sc5#
- 2.Sg5#
- 2.Sec7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.Rf4#
- 2.Qh5#
- 2.Qg6#
- 1...Kxg4!
- threat
- 1.Qh5+?
- 1...Qg5
- 2.Sf4#
- 2.Sc5#
- 2.Sxg5#
- 2.Sexc7#
- 2.Sg7#
- 2.Sd8#
- 2.Sf8#
- 2.Rf4#
- 1...Qxh5+!
- 1...Qg5
- 1.Sbd4+?
- Keys
- 1.Re4!
- threat
- 2.Re5#
- 1...Kxe4
- 2.Sc5#
- 1...Qxe4
- 2.Qh5#
- 1...Sxe4
- 2.Sbd4#
- 1...cxd6
- 2.Sxd6#
- 1...Qf4
- 2.Rxf4#
- 1...Qf3
- 2.Qh7#
- 1...Qh5
- 2.Rf4#
- 1...Qh4
- 2.Qh7#
- 1...Qg5
- 2.Sc5#
- 1...Qg6
- 2.Rf4#
- 1...Qg7
- 2.Rf4#
- threat
- 1.Re4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- Q(f);N_GUARD::QAB(G)
- Q(f);N_GUARD,P_PINS(F)::QAR2(G)
- Q(f);N_GUARD::R1(C),XQ(f)
- Q(f);N_GUARD,P_PINQ(G)::R1(C)
- Q(f);N_GUARD::R1(C)
- S(c);SBLOCK,S_CUTQ(f)::S(D)
- Tries
- Try
- S(D);CHECK
- Vars
- K(g);N_SPINP(h),S_FLIGHT::S(F)
- Refutation
- Q(f);XS(D)
- Try
- B(E);
- Threat
- DUALS(6)
- Vars
- S(c);SBLOCK::S(D)
- S(k);::B(H)+S(F),DCHECK
- Refutation
- Q(f);XB(E)
- Try
- R(C);XQ(f)
- Threat
- DUALS(10)
- Vars
- B(e);SBLOCK,XR(C)::QAB(G)
- P(j);XB(E)::QAR2(G)
- Refutation
- K(g);N_SPINP(h),S_FLIGHT,XR(C)
- Try
- Q(G);CHECK,N_PINP(h)
- Refutation
- Q(f);CHECK,XQ(G)
- Try
- Actual
- R(C);
- Threat
- R1(C)
- Vars
- K(g);N_SPINP(h),S_FLIGHT,XR(C)::S(F)
- Q(f);N_GUARD,P_PINS(F),SBLOCK,XR(C)::QAR2(G)
- S(c);SBLOCK,XR(C)::S(D)
- P(j);XB(E)::S(D),XP(j)
- Q(f);N_GUARD::R1(C),XQ(f)
- Q(f);N_GUARD::QAB(G)
- Q(f);N_GUARD,P_PINQ(G)::R1(C)
- Q(f);SBLOCK::B(H)+S(F)
- Q(f);N_GUARD::R1(C)
Developed and maintained by Brian Stephenson.
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