MESON Chess Problem Database
Problem Display
PID: 20982 (qnQ4K/3Bp1B1/pp4N1/7R/3Nk2b/3p4/2n2PP1/3r4 w - - 0 1)
Blake, Percy Francis
1st Prize, Brisbane Courier, 1914-1915
#2
9 + 10
| 15 | British Chess Magazine | 1915 |
| 14967 | British Chess Magazine Chess Annual 1915 | 1915 |
SOLUTION
- SOUND
- Sets
- 1...Qd5
- 2.Rxh4#
- 1...Se3
- 2.f3#
- 1...Sxd4
- 2.Re5#
- 1...Sxd7
- 2.Qxa8#
- 1...d2
- 2.Qxc2#
- 1...Qd5
- Tries
- 1.Sxc2?
- threat
- 2.Re5#
- 2.Qc4#
- 2.f3#
- 1...Bxf2
- 2.Re5#
- 1...Sxd7
- 2.Qxa8#
- 2.f3#
- 1...Bg5
- 2.Qc4#
- 1...d2
- 2.Qc4#
- 1...e5
- 2.Rxe5#
- 2.Qc4#
- 1...Qd5
- 2.Rxh4#
- 2.f3#
- 1...Qc6
- 2.Re5#
- 2.f3#
- 1...Rf1
- 2.Re5#
- 2.Qc4#
- 1...Bg3
- 2.Qc4#
- 2.f3#
- 1...Bf6
- 2.f3#
- 1...Sc6
- 2.f3#
- 1...b5
- 2.Re5#
- 2.f3#
- 1...dxc2!
- threat
- 1.Bc6+?
- 1...Qxc6
- 2.Qg4#
- 2.Qf5#
- 1...Sxc6!
- 1...Qxc6
- 1.Be8?
- threat
- 2.Qg4#
- 2.Qf5#
- 2.Qe6#
- 1...Bxf2
- 2.Qe6#
- 1...Sxd4
- 2.Re5#
- 2.Qg4#
- 1...Bg5
- 2.Qf5#
- 2.Qe6#
- 1...Bf6
- 2.Qg4#
- 1...d2
- 2.Qf5#
- 2.Qxc2#
- 1...Qd5
- 2.Rxh4#
- 2.Qg4#
- 1...Qc6
- 2.Qg4#
- 2.Qf5#
- 1...Bg3
- 2.Qf5#
- 1...Se3
- 2.Qe6#
- 2.f3#
- 1...Sc6
- 2.Qg4#
- 2.Qf5#
- 1...Sd7
- 2.Qxa8#
- 1...e6
- 2.Qxe6#
- 1...e5!
- threat
- 1.Qg8?
- threat
- 2.Bf5#
- 2.Rxh4#
- 2.Qe6#
- 1...Bxf2
- 2.Qe6#
- 1...Sxd4
- 2.Rxh4#
- 2.Re5#
- 1...Sxd7
- 2.Rxh4#
- 2.Qxa8#
- 1...d2
- 2.Bf5#
- 1...e5
- 2.Rxh4#
- 1...Qd5
- 2.Rxh4#
- 2.Qxd5#
- 1...Qc6
- 2.Bf5#
- 2.Rxh4#
- 1...Rh1
- 2.Bf5#
- 2.Qe6#
- 1...Bg3
- 2.Bf5#
- 1...Bg5
- 2.Bf5#
- 2.Qe6#
- 1...Se3
- 2.Qe6#
- 2.f3#
- 1...Sc6
- 2.Bf5#
- 2.Rxh4#
- 1...e6
- 2.Qxe6#
- 1...Bf6!
- threat
- 1.Sxc2?
- Keys
- 1.Qd8!
- threat
- 2.Bf5#
- 1...Bxf2
- 2.Qxe7#
- 1...Sxd4
- 2.Re5#
- 1...Sxd7
- 2.Qxa8#
- 1...Qd5
- 2.Rxh4#
- 1...Se3
- 2.f3#
- 1...e6
- 2.Qxh4#
- threat
- 1.Qd8!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 2
- REMOVED MATES = 1
- Sets
- Q(i);SBLOCK::R(D),XB(e)
- S(b);SBLOCK::P(A)
- S(b);SBLOCK,XS(C)::R1(D)
- S(j);OGATE,P_PINQ(H),XB(F)::QAB(H),XQ(i)
- P(c);OGATEB::QAB(H),XS(b)
- Tries
- Try
- S(C);XS(b)
- Threat
- DUALS(3)
- Vars
- B(e);XP(A)::R1(D)
- B(e);::QAR2(H)
- P(c);::QAR2(H)
- B(e);P_PINB(G)::P(A)
- S(j);P_PINQ(H)::P(A)
- Refutation
- P(c);XS(C)
- Try
- B(F);CHECK
- Refutation
- S(j);P_PINQ(H),XB(F)
- Try
- B(F);
- Threat
- DUALS(3)
- Vars
- B(e);XP(A)::QAR2(H)
- B(e);P_PINB(G)::QAR2(H)
- B(e);::QAB1(H)
- S(j);OGATE::QAB(H),XQ(i)
- P(h);::QAR2(H),XP(h)
- Refutation
- P(h);
- Try
- Q(H);
- Threat
- DUALS(3)
- Vars
- B(e);XP(A)::QAR2(H)
- P(c);::B(F)
- P(h);::R(D),XB(e)
- B(e);::B(F)
- P(h);::QAR2(H),XP(h)
- Refutation
- B(e);P_PINB(G)
- Try
- Actual
- Q(H);
- Threat
- B(F)
- Vars
- B(e);N_GUARD,XP(A)::QAR(H),XP(h)
- S(b);SBLOCK,XS(C)::R1(D)
- S(j);OGATE,P_PINQ(H),XB(F)::QAB(H),XQ(i)
- Q(i);SBLOCK::R(D),XB(e)
- S(b);SBLOCK::P(A)
- P(h);OGATE::QAR(H),XB(e)
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