MESON Chess Problem Database
Problem Display
PID: 195212 (2Q5/8/1p3r2/n7/1p2N2p/3B4/2N1q1PK/r4k2 w - - 0 1)
Dobbs, Gilbert S
Densmore MT (Pittsburgh Gazette-Times), 1918
#2
6 + 8
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Se3#
- 1...Rf2
- 2.Sd2#
- 1...Rf5
- 2.Qxf5#
- 1...Rc6
- 2.Qf5#
- 1...Rd6
- 2.Qf5#
- 1...Rg6
- 2.Qf5#
- 1...Rh6
- 2.Qf5#
- 1...Rf8
- 2.Qxf8#
- 1...Re1
- Tries
- 1.Qg4?
- threat
- 2.Bxe2#
- 2.Qxe2#
- 1...Re1
- 2.Se3#
- 1...Rf2
- 2.Sd2#
- 1...Rf3
- 2.Qxf3#
- 1...Qxd3!
- threat
- 1.Qc3?
- threat
- 2.Se3#
- 2.Qxa1#
- 2.Qxf6#
- 1...Qxd3
- 2.Qxd3#
- 1...Rb1
- 2.Se3#
- 2.Qxf6#
- 1...Rc1
- 2.Se3#
- 2.Qxf6#
- 1...Rd1
- 2.Se3#
- 2.Qxf6#
- 1...Re1
- 2.Se3#
- 2.Qxe1#
- 2.Qxf6#
- 1...Ra2
- 2.Se3#
- 2.Qe1#
- 2.Qxf6#
- 1...Ra3
- 2.Se3#
- 2.Qe1#
- 2.Qxf6#
- 1...Ra4
- 2.Se3#
- 2.Qe1#
- 2.Qxf6#
- 1...Rf2
- 2.Se3#
- 2.Sd2#
- 2.Qxa1#
- 1...Rf3
- 2.Qxa1#
- 1...Rf4
- 2.Se3#
- 2.Qxa1#
- 1...Rf5
- 2.Se3#
- 2.Qxa1#
- 1...Rc6
- 2.Se3#
- 2.Qxa1#
- 1...Rd6
- 2.Se3#
- 2.Qxa1#
- 1...Re6
- 2.Se3#
- 2.Qxa1#
- 1...Rg6
- 2.Se3#
- 2.Qxa1#
- 1...Rh6
- 2.Se3#
- 2.Qxa1#
- 1...Rf7
- 2.Se3#
- 2.Qxa1#
- 1...Rf8
- 2.Se3#
- 2.Qxa1#
- 1...Sb3
- 2.Se3#
- 2.Qxf6#
- 1...Sc4
- 2.Qxa1#
- 2.Qxf6#
- 1...bxc3!
- threat
- 1.Qc4?
- threat
- 2.Bxe2#
- 1...Qxd3
- 2.Qxd3#
- 1...Re1
- 2.Se3#
- 1...Rf2
- 2.Sd2#
- 1...Sxc4!
- threat
- 1.Qh8?
- threat
- 2.Qxf6#
- 1...Rf2
- 2.Sd2#
- 2.Qxa1#
- 1...Rf3
- 2.Qxa1#
- 1...Rf4
- 2.Qxa1#
- 1...Rf5
- 2.Qxa1#
- 1...Rc6
- 2.Qxa1#
- 1...Rd6
- 2.Qxa1#
- 1...Re6
- 2.Qxa1#
- 1...Rg6
- 2.Qxa1#
- 1...Rh6
- 2.Qxa1#
- 1...Rf7
- 2.Qxa1#
- 1...Rf8
- 2.Qxa1#
- 2.Qxf8#
- 1...Qxd3!
- threat
- 1.Qg4?
- Keys
- 1.Qa6!
- threat
- 2.Bxe2#
- 1...Qxd3
- 2.Qxd3#
- 1...Re1
- 2.Se3#
- 1...Rf2
- 2.Sd2#
- 1...Sc4
- 2.Qxa1#
- 1...b5
- 2.Qxf6#
- threat
- 1.Qa6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 6
- Sets
- R(a);SBLOCK::S(A)
- R(h);SBLOCK::S(E)
- R(h);N_GUARD::QAR(F),XR(h)
- R(h);N_GUARD::QAR(F)
- R(h);OGATEB::QAB(F),XR(h)
- Tries
- Try
- Q(F);
- Threat
- DUALS(2)
- Vars
- R(a);SBLOCK::S(A)
- R(h);SBLOCK::S(E)
- R(h);N_GUARD::QAR2(F),XR(h)
- Refutation
- Q(c);N_PINP(B),N_SPINQ(c),XB(D)
- Try
- Q(F);
- Threat
- DUALS(3)
- Vars
- Q(c);N_PINP(B),N_SPINQ(c),OGATE,XB(D)::QAB(F),XQ(c)
- R(h);::QAR(F),XR(a)
- Refutation
- P(d);XQ(F)
- Try
- Q(F);
- Threat
- B(D),XQ(c)
- Vars
- Q(c);N_PINP(B),OGATE,XB(D)::QAB(F),XQ(c)
- R(a);SBLOCK::S(A)
- R(h);SBLOCK::S(E)
- Refutation
- S(f);XQ(F)
- Try
- Q(F);
- Threat
- QAR(F),XR(h)
- Vars
- R(h);OGATE::QAR(F),XR(a)
- Refutation
- Q(c);N_PINP(B),N_SPINQ(c),XB(D)
- Try
- Actual
- Q(F);
- Threat
- B(D),XQ(c)
- Vars
- Q(c);N_PINP(B),OGATE,XB(D)::QAB(F),XQ(c)
- R(a);SBLOCK::S(A)
- R(h);SBLOCK::S(E)
- S(f);OGATE::QAR(F),XR(a)
- P(g);OGATE::QAR(F),XR(h)
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