MESON Chess Problem Database
Problem Display
PID: 187785 (B1br3q/4N2p/1R6/1P6/2pk2pB/Q3Rp1n/5n2/1K6 w - - 0 1)
Dobbs, Gilbert S
Chess Weekly, 1909
#2
8 + 10
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qf6
- 2.Bxf6#
- 1...Qe8
- 2.Bf6#
- 1...Qg8
- 2.Bf6#
- 1...Rd5
- 2.Sc6#
- 1...Rd6
- 2.Rxd6#
- 1...Rd7
- 2.Sf5#
- 1...Re8
- 2.Rd6#
- 1...Rf8
- 2.Rd6#
- 1...Rg8
- 2.Rd6#
- 1...Bf5+
- 2.Sxf5#
- 1...Ba6
- 2.Sf5#
- 1...Bd7
- 2.Rd6#
- 1...Sd1
- 2.Re4#
- 1...Sh1
- 2.Re4#
- 1...Sd3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...c3
- 2.Qxc3#
- 1...Qf6
- Tries
- 1.Bxf3?
- threat
- 2.Sc6#
- 1...Bf5+
- 2.Sxf5#
- 1...Sd3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...c3
- 2.Qxc3#
- 1...Qf6
- 2.Bxf6#
- 1...Qe8
- 2.Bf6#
- 1...Rd6
- 2.Rxd6#
- 1...Bb7
- 2.Sf5#
- 1...Bd7
- 2.Rd6#
- 1...gxf3!
- threat
- 1.Rbe6?
- threat
- 2.Sf5#
- 2.Qa7#
- 1...Bxe6
- 2.Qa7#
- 1...c3
- 2.Qb4#
- 2.Qxc3#
- 1...Qf6
- 2.Bxf6#
- 2.Qa7#
- 1...Qf8
- 2.Qa7#
- 1...Rd5
- 2.Sc6#
- 1...Rd6
- 2.Sf5#
- 2.Rxd6#
- 2.Qxd6#
- 1...Rd7
- 2.Sf5#
- 1...Rf8
- 2.Rd6#
- 2.Qd6#
- 2.Qa7#
- 1...Ba6
- 2.Sf5#
- 1...Bb7
- 2.Qa7#
- 1...Sd3
- 2.Sf5#
- 2.R3e4#
- 2.R6e4#
- 1...Se4
- 2.Sf5#
- 2.R3xe4#
- 2.R6xe4#
- 1...Qe5!
- threat
- 1.Rg6?
- threat
- 2.Qa7#
- 1...Bf5+
- 2.Sxf5#
- 1...Sd3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...c3
- 2.Qxc3#
- 1...Qf6
- 2.Bxf6#
- 1...Rd5
- 2.Sc6#
- 1...Rd6
- 2.Rxd6#
- 1...Rd7
- 2.Sf5#
- 1...Ba6
- 2.Sf5#
- 1...Qe5!
- threat
- 1.Rh6?
- threat
- 2.Qa7#
- 1...Bf5+
- 2.Sxf5#
- 1...Sd3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...c3
- 2.Qxc3#
- 1...Qf6
- 2.Bxf6#
- 1...Rd5
- 2.Sc6#
- 1...Rd6
- 2.Rxd6#
- 1...Rd7
- 2.Sf5#
- 1...Ba6
- 2.Sf5#
- 1...Qe5!
- threat
- 1.Qb2+?
- 1...Kc5
- 2.Rc6#
- 1...c3
- 2.Qxc3#
- 1...Kxe3!
- 1...Kc5
- 1.Bxf3?
- Keys
- 1.Rf6!
- threat
- 2.Qa7#
- 1...Bf5+
- 2.Sxf5#
- 1...Qxf6
- 2.Bxf6#
- 1...Sd3
- 2.Re4#
- 1...Se4
- 2.Rxe4#
- 1...c3
- 2.Qxc3#
- 1...Rd5
- 2.Sc6#
- 1...Rd6
- 2.Rxd6#
- 1...Rd7
- 2.Sf5#
- 1...Ba6
- 2.Sf5#
- threat
- 1.Rf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 0
- REMOVED MATES = 8
- Sets
- Q(j);N_GUARD::B(D),XQ(j)
- Q(j);N_GUARD::B(D)
- R(i);SBLOCK::S(G)
- R(i);N_GUARD::R(F),XR(i)
- R(i);S_CUTB(h)::S(G)
- R(i);N_GUARD::R(F)
- B(h);CHECK,N_GUARD::S(G),XB(h)
- B(h);N_GUARD::S(G)
- B(h);S_CUTR(i)::R(F)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- P(d);::QAB1(B),XP(d)
- Tries
- Try
- B(H);XP(b)
- Threat
- S(G)
- Vars
- B(h);CHECK,N_GUARD::S(G),XB(h)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- P(d);::QAB1(B),XP(d)
- Q(j);N_GUARD::B(D),XQ(j)
- Q(j);N_GUARD::B(D)
- R(i);N_GUARD::R(F),XR(i)
- B(h);N_GUARD::S(G)
- B(h);S_CUTR(i)::R(F)
- Refutation
- P(f);XB(H)
- Try
- R(F);
- Threat
- DUALS(2)
- Vars
- B(h);XR(F)::QAB(B)
- Q(j);::QAB(B)
- R(i);SBLOCK::S(G)
- R(i);::S(G)
- B(h);::S(G)
- B(h);::QAB(B)
- Refutation
- Q(j);
- Try
- R(F);
- Threat
- QAB(B)
- Vars
- B(h);CHECK,N_GUARD::S(G),XB(h)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- P(d);::QAB1(B),XP(d)
- Q(j);N_GUARD::B(D),XQ(j)
- R(i);SBLOCK::S(G)
- R(i);N_GUARD::R(F),XR(i)
- R(i);S_CUTB(h)::S(G)
- B(h);N_GUARD::S(G)
- Refutation
- Q(j);
- Try
- R(F);
- Threat
- QAB(B)
- Vars
- B(h);CHECK,N_GUARD::S(G),XB(h)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- P(d);::QAB1(B),XP(d)
- Q(j);N_GUARD::B(D),XQ(j)
- R(i);SBLOCK::S(G)
- R(i);N_GUARD::R(F),XR(i)
- R(i);S_CUTB(h)::S(G)
- B(h);N_GUARD::S(G)
- Refutation
- Q(j);
- Try
- Q(B);CHECK
- Vars
- K(e);S_FLIGHT::R1(F)
- P(d);P_SPINP(d)::QAB1(B),XP(d)
- Refutation
- K(e);S_FLIGHT,XR(C)
- Try
- Actual
- R(F);
- Threat
- QAB(B)
- Vars
- B(h);CHECK,N_GUARD::S(G),XB(h)
- Q(j);OGATE,XR(F)::B(D),XQ(j)
- S(a);N_GUARD::R1(C)
- S(a);N_GUARD::R1(C),XS(a)
- P(d);::QAB1(B),XP(d)
- R(i);SBLOCK::S(G)
- R(i);N_GUARD::R(F),XR(i)
- R(i);S_CUTB(h)::S(G)
- B(h);N_GUARD::S(G)
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