MESON Chess Problem Database
Problem Display
PID: 148668 (8/6p1/3QKp2/2BP2pN/1n2k2P/R3Pr1r/8/3N2bB w - - 0 1)
Ros, Johan August
Source?, 0000
#2
10 + 8
| 15 | British Chess Magazine | 1902 |
SOLUTION
- SOUND
- Sets
- 1...Rh2
- 2.Sg3#
- 1...Rg3
- 2.Sxg3#
- 1...Rxh4
- 2.Sg3#
- 1...Bf2
- 2.Sxf2#
- 1...Bh2
- 2.Sf2#
- 1...Bxe3
- 2.Rxe3#
- 1...Sd3
- 2.Sc3#
- 1...Sxd5
- 2.Qxd5#
- 1...gxh4
- 2.Qf4#
- 1...g4
- 2.Qf4#
- 1...f5
- 2.Qe5#
- 1...g6
- 2.Sxf6#
- 1...Rh2
- Tries
- 1.Sf4?
- threat
- 2.Sc3#
- 1...Sxd5
- 2.Qxd5#
- 1...gxf4
- 2.Qxf4#
- 1...Sa2!
- threat
- 1.Qg3?
- threat
- 2.Bxf3#
- 2.Qg4#
- 1...Rxg3
- 2.Sxg3#
- 1...Rxh4
- 2.Bxf3#
- 2.Qxf3#
- 1...Bxe3
- 2.Bxf3#
- 2.Rxe3#
- 1...Sxd5
- 2.Bxf3#
- 1...Bh2
- 2.Sf2#
- 2.Bxf3#
- 1...Sd3
- 2.Sc3#
- 2.Bxf3#
- 1...g4
- 2.Qf4#
- 2.Qxg4#
- 1...f5
- 2.Bxf3#
- 2.Qe5#
- 1...Rxh1!
- threat
- 1.Qb8?
- threat
- 2.Qxb4#
- 1...Bxe3
- 2.Rxe3#
- 1...Sxd5
- 2.Qb1#
- 1...Sa2
- 2.Qb1#
- 1...Sd3
- 2.Sc3#
- 1...Sa6
- 2.Qb1#
- 1...Sc6
- 2.Qb1#
- 1...Sc2!
- threat
- 1.Qa6?
- threat
- 2.Sc3#
- 2.Qc4#
- 1...Bxe3
- 2.Sc3#
- 2.Rxe3#
- 1...Sxd5
- 2.Qd3#
- 2.Qc4#
- 1...Sa2
- 2.Qd3#
- 2.Qc4#
- 1...Sc2
- 2.Sc3#
- 2.Qd3#
- 1...Sc6
- 2.Sc3#
- 2.Qd3#
- 1...Sxa6!
- threat
- 1.Qb6?
- threat
- 2.Qxb4#
- 1...Bxe3
- 2.Rxe3#
- 1...Sxd5
- 2.Qb1#
- 1...Sa2
- 2.Qb1#
- 1...Sd3
- 2.Sc3#
- 1...Sa6
- 2.Qb1#
- 1...Sc6
- 2.Qb1#
- 1...Sc2!
- threat
- 1.hxg5?
- threat
- 2.Qf4#
- 1...Bxe3
- 2.Rxe3#
- 1...Sxd5
- 2.Qxd5#
- 1...fxg5
- 2.Qe5#
- 1...Rh4
- 2.Sg3#
- 1...Bh2
- 2.Sf2#
- 1...Sd3
- 2.Sc3#
- 1...Rxh1!
- threat
- 1.Sf4?
- Keys
- 1.Qh2!
- 1...Rxh2
- 2.Sg3#
- 1...Rxh4
- 2.Sg3#
- 1...Bxh2
- 2.Sf2#
- 1...Bxe3
- 2.Rxe3#
- 1...Sxd5
- 2.Qc2#
- 1...gxh4
- 2.Qf4#
- 1...Sa2
- 2.Qc2#
- 1...Rg3
- 2.Sxg3#
- 1...Bf2
- 2.Sxf2#
- 1...Sc2
- 2.Qxc2#
- 1...Sd3
- 2.Sc3#
- 1...Sa6
- 2.Qc2#
- 1...Sc6
- 2.Qc2#
- 1...g4
- 2.Qf4#
- 1...f5
- 2.Qe5#
- 1...g6
- 2.Sxf6#
- 1...Rxh2
- 1.Qh2!
FEATURES
- Static
- TYPE = INCOMPLETE_BLOCK
- CHANGED MATES = 1
- ADDED MATES = 4
- REMOVED MATES = 0
- Sets
- R(c);N_GUARD::S(H)
- R(c);N_GUARD::S(H),XR(c)
- R(c);N_GUARD,XP(E)::S(H)
- B(a);N_GUARD::S(A),XB(a)
- B(a);N_GUARD::S(A)
- B(a);OGATE,XP(D)::R1(C),XB(a)
- S(d);SBLOCK::S(A)
- S(d);OGATE,XP(G)::QAB1(I),XS(d)
- P(f);N_GUARD,XP(E)::QAR1(I)
- P(f);N_GUARD::QAR1(I)
- P(g);N_GUARD::QAR1(I)
- P(h);N_GUARD::S(H),XP(g)
- Tries
- Try
- S(H);
- Threat
- S(A)
- Vars
- S(d);OGATE,XP(G)::QAB1(I),XS(d)
- P(f);OGATE,XS(H)::QAR1(I),XP(f)
- Refutation
- S(d);
- Try
- Q(I);
- Threat
- DUALS(2)
- Vars
- R(c);XQ(I)::S(H),XR(c)
- S(d);XP(G)::B(B),XR(b)
- Refutation
- R(c);N_SPINR(b),XB(B)
- Try
- Q(I);
- Threat
- QAR(I),XS(d)
- Vars
- B(a);OGATE,XP(D)::R1(C),XB(a)
- S(d);OGATE,XP(G)::QAB(I)
- S(d);OGATE::QAB(I)
- S(d);SBLOCK::S(A)
- Refutation
- S(d);
- Try
- Q(I);
- Threat
- DUALS(2)
- Refutation
- S(d);XQ(I)
- Try
- Q(I);
- Threat
- QAR(I),XS(d)
- Vars
- B(a);OGATE,XP(D)::R1(C),XB(a)
- S(d);OGATE,XP(G)::QAB(I)
- S(d);OGATE::QAB(I)
- S(d);SBLOCK::S(A)
- Refutation
- S(d);
- Try
- P(E);XP(f)
- Threat
- QAR1(I)
- Vars
- B(a);OGATE,XP(D)::R1(C),XB(a)
- S(d);OGATE,XP(G)::QAB1(I),XS(d)
- P(g);N_GUARD,XP(E)::QAR1(I)
- R(c);N_GUARD::S(H)
- B(a);N_GUARD::S(A)
- S(d);SBLOCK::S(A)
- Refutation
- R(c);N_SPINR(b),XB(B)
- Try
- Actual
- Q(I);
- Vars
- R(c);N_GUARD,XQ(I)::S(H)
- R(c);N_GUARD,XP(E)::S(H)
- B(a);N_GUARD,XQ(I)::S(A)
- B(a);OGATE,XP(D)::R1(C),XB(a)
- S(d);N_GUARD,XP(G)::QAB(I)
- P(f);N_GUARD,XP(E)::QAR1(I)
- S(d);N_GUARD::QAB(I)
- R(c);N_GUARD::S(H),XR(c)
- B(a);N_GUARD::S(A),XB(a)
- S(d);N_GUARD::QAB(I),XS(d)
- S(d);SBLOCK::S(A)
- P(f);N_GUARD::QAR1(I)
- P(g);N_GUARD::QAR1(I)
- P(h);N_GUARD::S(H),XP(g)
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