MESON Chess Problem Database
Problem Display
PID: 195049 (Bb6/p4N2/2R4p/1n1kp1p1/n4P1Q/1P2R3/2Pr4/K2b2B1 w - - 0 1)
Dobbs, Gilbert S
Pittsburgh Gazette-Times, 1918
#2
10 + 10
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Kd4
- 2.Rc4#
- 1...Sc5
- 2.Rd6#
- 1...Sd4
- 2.c4#
- 1...Sd6
- 2.Rxe5#
- 1...Sc7
- 2.Rxe5#
- 1...exf4
- 2.Rc4#
- 1...Kd4
- Tries
- 1.Re2?
- threat
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 2.c4#
- 1...Rxc2
- 2.Rd6#
- 1...Rxe2
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Bxc2
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Bxe2
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Bd6
- 2.Rxd6#
- 1...Sd6
- 2.Rxe5#
- 2.Rxd6#
- 1...Sb2
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Sac3
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Sc5
- 2.Rd6#
- 2.c4#
- 1...Sb6
- 2.Rxb6#
- 2.Rd6#
- 1...Sa3
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Sbc3
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Sd4
- 2.c4#
- 1...Sc7
- 2.Rxe5#
- 2.Rd6#
- 2.c4#
- 1...h5
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 2.c4#
- 1...a6
- 2.Rxa6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 2.c4#
- 1...Rd4!
- threat
- 1.Rec3?
- threat
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Rf2
- 2.Rd6#
- 1...Bd6
- 2.Rxd6#
- 1...Sd6
- 2.Rxd6#
- 1...Sc5
- 2.Rd6#
- 1...Sb6
- 2.Rxb6#
- 2.Rd6#
- 1...Sd4
- 2.Rd6#
- 1...Sc7
- 2.Rd6#
- 1...h5
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rh6#
- 1...a6
- 2.Rxa6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Ke4!
- threat
- 1.Rd3+?
- 1...Ke4
- 2.Rf6#
- 1...Rxd3
- 2.Ra6#
- 2.Rb6#
- 2.Rd6#
- 2.Rf6#
- 2.Rg6#
- 2.Rxh6#
- 1...Sd4!
- 1...Ke4
- 1.Rcc3+?
- 1...Kd4
- 2.Rc4#
- 2.Red3#
- 1...Ke6!
- 1...Kd4
- 1.Ra6+?
- 1...Kd4
- 2.Rd3#
- 1...Kc5!
- 1...Kd4
- 1.Rb6+?
- 1...Kd4
- 2.Rd3#
- 1...Kc5!
- 1...Kd4
- 1.Rf6+?
- 1...Kd4
- 2.Rd3#
- 1...Kc5!
- 1...Kd4
- 1.Rg6+?
- 1...Kd4
- 2.Rd3#
- 1...Kc5!
- 1...Kd4
- 1.Rxh6+?
- 1...Kd4
- 2.Rd3#
- 1...Kc5!
- 1...Kd4
- 1.Rc7+?
- 1...Kd4
- 2.Re2#
- 2.Rd3#
- 2.Re4#
- 2.Rc4#
- 1...Ke6!
- 1...Kd4
- 1.Rc8+?
- 1...Kd4
- 2.Re2#
- 2.Rd3#
- 2.Re4#
- 2.Rc4#
- 1...Ke6!
- 1...Kd4
- 1.Qxh6?
- threat
- 2.Rc4#
- 1...Kd4
- 2.Rc4#
- 1...Sc5
- 2.Rd6#
- 1...Sd4
- 2.c4#
- 1...Sd6
- 2.Rxe5#
- 1...Sc7
- 2.Rxe5#
- 2.Qd6#
- 1...Sb6!
- threat
- 1.Re2?
- Keys
- 1.f5!
- threat
- 2.Rcc3#
- 2.Rc4#
- 2.Rc7#
- 2.Rc8#
- 2.Qc4#
- 2.Qe4#
- 2.c4#
- 1...Rxc2
- 2.Rxc2#
- 2.Rcc3#
- 2.Rc4#
- 2.Qe4#
- 1...Bxc2
- 2.Rxc2#
- 2.Rcc3#
- 2.Rc4#
- 2.Rc7#
- 2.Rc8#
- 2.Qc4#
- 1...gxh4
- 2.Rc4#
- 1...Bg4
- 2.Rc4#
- 1...e4
- 2.Rc4#
- 2.Qxe4#
- 1...g4
- 2.Rc4#
- 1...Rd4
- 2.Rcc3#
- 2.Rc4#
- 2.Rc7#
- 2.Rc8#
- 1...Be2
- 2.Rcc3#
- 2.Rc4#
- 2.Rc7#
- 2.Rc8#
- 2.Qe4#
- 1...Bf3
- 2.Rcc3#
- 2.Rc4#
- 2.Rc7#
- 2.Rc8#
- 2.Qc4#
- 2.c4#
- 1...Bc7
- 2.Rcc3#
- 2.Rc4#
- 2.Rxc7#
- 2.Qc4#
- 2.Qe4#
- 2.c4#
- 1...Sb2
- 2.Rcc3#
- 2.Rc4#
- 2.Rc7#
- 2.Rc8#
- 2.Qe4#
- 1...Sac3
- 2.Rcxc3#
- 2.Rc4#
- 2.Rc7#
- 2.Rc8#
- 2.Qc4#
- 1...Sc5
- 2.Rd6#
- 2.Qc4#
- 2.c4#
- 1...Sb6
- 2.Qe4#
- 1...Sa3
- 2.Rcc3#
- 2.Rc4#
- 2.Rc7#
- 2.Rc8#
- 2.Qe4#
- 1...Sbc3
- 2.Rcxc3#
- 2.Rc4#
- 2.Rc7#
- 2.Rc8#
- 2.Qc4#
- 1...Sd4
- 2.Qe4#
- 2.c4#
- 1...Sd6
- 2.Rxe5#
- 1...Sc7
- 2.Rxe5#
- 2.Rxc7#
- 2.Qc4#
- 2.Qe4#
- 2.c4#
- threat
- 1.f5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- K(e);P-FLIGHT::R1(H)
- S(c);SBLOCK::B(J)+R(H),DCHECK
- S(d);SBLOCK::P(C)
- S(d);S_CUTB(j)::R1(E),XP(f)
- P(f);XP(F)::B(J)+R(H)
- Tries
- Try
- R(E);
- Threat
- DUALS(7)
- Vars
- R(b);XP(C)::B(J)+R(H),DCHECK
- B(j);::B(J)+R(H),DCHECK,XB(j)
- S(d);::P(C)
- Refutation
- R(b);
- Try
- R(E);
- Threat
- DUALS(6)
- Vars
- R(b);::B(J)+R(H),DCHECK
- B(j);::B(J)+R(H),DCHECK,XB(j)
- S(d);::B(J)+R(H),DCHECK,XS(d)
- S(c);::B(J)+R(H),DCHECK
- S(d);::B(J)+R(H),DCHECK
- Refutation
- K(e);S_FLIGHT
- Try
- R(E);CHECK
- Vars
- K(e);S_FLIGHT::B(J)+R(H)
- Refutation
- S(d);P_SPINS(d)
- Try
- R(H);CHECK
- Refutation
- K(e);P_SPINP(f),S_FLIGHT
- Try
- R(H);CHECK
- Vars
- K(e);P-FLIGHT::B(B)+R(E),DCHECK
- Refutation
- K(e);P-FLIGHT
- Try
- R(H);CHECK
- Vars
- K(e);P-FLIGHT::B(B)+R(E),DCHECK
- Refutation
- K(e);P-FLIGHT
- Try
- R(H);CHECK
- Vars
- K(e);P-FLIGHT::B(B)+R(E),DCHECK
- Refutation
- K(e);P-FLIGHT
- Try
- R(H);CHECK
- Vars
- K(e);P-FLIGHT::B(B)+R(E),DCHECK
- Refutation
- K(e);P-FLIGHT
- Try
- R(H);CHECK,XP(h)
- Vars
- K(e);P-FLIGHT::B(B)+R(E),DCHECK
- Refutation
- K(e);P-FLIGHT
- Try
- R(H);CHECK
- Refutation
- K(e);P_SPINP(f),S_FLIGHT
- Try
- R(H);CHECK
- Refutation
- K(e);P_SPINP(f),S_FLIGHT
- Try
- Q(G);XP(h)
- Threat
- B(J)+R(H)
- Vars
- K(e);P-FLIGHT::R1(H)
- S(c);SBLOCK::B(J)+R(H),DCHECK
- S(d);SBLOCK::P(C)
- S(d);S_CUTB(j)::R1(E),XP(f)
- Refutation
- S(c);
- Try
- Actual
- P(F);
- Threat
- DUALS(7)
- Vars
- P(g);XQ(G)::B(J)+R(H)
- B(a);::B(J)+R(H)
- P(g);::B(J)+R(H)
- S(c);::QAB1(G)
- S(d);S_CUTB(j)::R1(E),XP(f)
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