MESON Chess Problem Database
Problem Display
PID: 48837 (8/b3p3/1pP1Rp2/1PBk1p2/4NQ2/2pN2K1/q3B3/3R4 w - - 0 1)
Dobbs, Gilbert S
Hampstead and Highgate Express, 1904
#2
10 + 8
| 1276 | Lasker's Chess Magazine | 1904 |
SOLUTION
- SOUND
- Sets
- 1...Qc4
- 2.Qxf5#
- 1...fxe4
- 2.Qxe4#
- 1...Qc4
- Tries
- 1.Sc1+?
- 1...Qd2
- 2.Qxf5#
- 1...Kxe6!
- 1...Qd2
- 1.Se1+?
- 1...Qd2
- 2.Qxf5#
- 1...Kxe6!
- 1...Qd2
- 1.Sdf2+?
- 1...Qd2
- 2.Qxf5#
- 1...Kxe6!
- 1...Qd2
- 1.Se5+?
- 1...Qd2
- 2.Bc4#
- 1...Kxe6!
- 1...Qd2
- 1.Sg5?
- threat
- 2.Bf3#
- 2.Qd4#
- 1...Qxe2
- 2.Qd4#
- 1...bxc5
- 2.Sb2#
- 2.Sb4#
- 2.Bf3#
- 1...fxg5
- 2.Re5#
- 1...Qc4
- 2.Qxf5#
- 1...Bb8
- 2.Bf3#
- 1...Qa4!
- threat
- 1.Sd6?
- threat
- 2.Qxf5#
- 1...Kxe6
- 2.Qxf5#
- 1...Qxe2
- 2.Qc4#
- 1...exd6
- 2.Rxd6#
- 1...bxc5!
- threat
- 1.Sxf6+?
- 1...exf6
- 2.Rd6#
- 1...Kxe6!
- 1...exf6
- 1.Rxe7?
- threat
- 2.Sb2#
- 2.Sb4#
- 2.Sxc3#
- 2.Sxf6#
- 1...Qxe2
- 2.Sxc3#
- 2.Sxf6#
- 1...fxe4
- 2.Qxe4#
- 1...Qb1
- 2.Sb4#
- 2.Sxc3#
- 2.Sxf6#
- 1...Qb3
- 2.Sb4#
- 2.Sxf6#
- 1...Qc4
- 2.Sb4#
- 2.Sxf6#
- 2.Qd6#
- 2.Qxf5#
- 1...Qa1
- 2.Sc1#
- 2.Sb4#
- 2.Sxf6#
- 1...Qb2
- 2.Sxb2#
- 2.Sb4#
- 2.Sxf6#
- 1...Qc2
- 2.Sb4#
- 2.Sxf6#
- 1...Qd2
- 2.Sb4#
- 2.Sxf6#
- 1...Qa3
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sdf2#
- 2.Sb4#
- 2.Se5#
- 2.Sxf6#
- 1...Qa4
- 2.Sb4#
- 2.Sxc3#
- 2.Sxf6#
- 1...Qa5
- 2.Sc1#
- 2.Se1#
- 2.Sb2#
- 2.Sdf2#
- 2.Sb4#
- 2.Se5#
- 2.Sxf6#
- 1...c2
- 2.Sb4#
- 2.Sc3#
- 2.Sxf6#
- 1...Kc4!
- threat
- 1.Qd6+?
- 1...exd6
- 2.Sf4#
- 1...Kc4!
- 1...exd6
- 1.Sc1+?
- Keys
- 1.Qd2!
- threat
- 2.Sf4#
- 2.Qxa2#
- 1...Bb8+
- 2.Sf4#
- 1...f4+
- 2.Sxf4#
- 1...Kc4
- 2.Sc1#
- 1...Kxe6
- 2.Qxa2#
- 1...Qxd2
- 2.Sf4#
- 1...cxd2
- 2.Sf4#
- 1...fxe4
- 2.Qxa2#
- 1...bxc5
- 2.Sf4#
- 1...Qb1
- 2.Sf4#
- 1...Qb3
- 2.Sf4#
- 1...Qc4
- 2.Sf4#
- 1...Qa1
- 2.Sf4#
- 1...Qb2
- 2.Sf4#
- 1...Qc2
- 2.Sf4#
- 1...Qa3
- 2.Sf4#
- 1...Qa4
- 2.Sf4#
- 1...Qa5
- 2.Sf4#
- 1...Qa6
- 2.Sf4#
- 1...c2
- 2.Sf4#
- threat
- 1.Qd2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 17
- REMOVED MATES = 0
- Sets
- Q(a);SBLOCK::QAR2(F),XP(d)
- P(d);OGATE,XS(E)::QAB1(F),XP(d)
- Tries
- Try
- S(C);CHECK
- Vars
- Q(a);P_SPINQ(a)::QAR2(F),XP(d)
- Refutation
- K(c);S_FLIGHT,XR(J)
- Try
- S(C);CHECK
- Vars
- Q(a);P_SPINQ(a)::QAR2(F),XP(d)
- Refutation
- K(c);S_FLIGHT,XR(J)
- Try
- S(C);CHECK
- Vars
- Q(a);P_SPINQ(a)::QAR2(F),XP(d)
- Refutation
- K(c);S_FLIGHT,XR(J)
- Try
- S(C);CHECK
- Vars
- Q(a);P_SPINQ(a)::B(B)
- Refutation
- K(c);S_FLIGHT,XR(J)
- Try
- S(E);
- Threat
- DUALS(2)
- Vars
- Q(a);XB(B)::QAR1(F)
- P(f);N_GUARD,XS(E)::R1(J)
- Q(a);SBLOCK::QAR2(F),XP(d)
- B(g);P_PINQ(F)::B(B)
- Refutation
- Q(a);
- Try
- S(E);
- Threat
- QAR2(F),XP(d)
- Vars
- K(c);S_FLIGHT,XR(J)::QAB1(F),XP(d)
- Q(a);N_GUARD,XB(B)::QAB1(F)
- P(h);OGATE,XS(E)::R1(J),XP(h)
- Refutation
- P(e);XB(H)
- Try
- S(E);CHECK,XP(f)
- Vars
- P(h);XS(E)::R1(J)
- Refutation
- K(c);S_FLIGHT,XR(J)
- Try
- R(J);XP(h)
- Threat
- DUALS(4)
- Vars
- P(d);OGATE,XS(E)::QAB1(F),XP(d)
- Refutation
- K(c);S_FLIGHT
- Try
- Q(F);CHECK
- Vars
- P(h);XQ(F)::R(A)+S(C),DCHECK
- Refutation
- K(c);S_FLIGHT
- Try
- Actual
- Q(F);
- Threat
- DUALS(2)
- Vars
- B(g);CHECK::QAR(F)+S(C),DCHECK
- P(d);CHECK::QAR(F)+S(C),DCHECK,XP(d)
- K(c);S_FLIGHT::B(B)+S(C)
- K(c);S_FLIGHT,XR(J)::QAB(F),XQ(a)
- Q(a);XQ(F)::S(C)
- P(b);XQ(F)::S(C)
- P(d);XS(E)::QAB(F),XQ(a)
- P(e);XB(H)::QAR(F)+S(C),DCHECK
- Q(a);::QAR(F)+S(C),DCHECK
- P(b);::QAR(F)+S(C),DCHECK
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