MESON Chess Problem Database
Problem Display
PID: 198799 (3rR1B1/n7/K2P2Q1/4N3/1Ppk4/b2qpP2/2Rn4/6Nb w - - 0 1)
Paluzie y Lucena, Jozefo
1st HM., Spanish National Ty., 1921
#2
10 + 9
| 6490 | yacpdb | 2019 |
SOLUTION
- SOUND
- Sets
- 1...Qxc2
- 2.Se2#
- 1...Qe2
- 2.Sxe2#
- 1...Qe4
- 2.Se2#
- 1...Qf5
- 2.Se2#
- 1...Qxg6
- 2.Se2#
- 1...Qb3
- 2.Se2#
- 1...Qc3
- 2.Se2#
- 1...Rxd6+
- 2.Qxd6#
- 1...Sb5
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Sc8
- 2.Sc6#
- 1...c3+
- 2.Qxd3#
- 1...Qxc2
- Tries
- 1.Sxd3?
- threat
- 2.Se2#
- 1...Rxd6+
- 2.Qxd6#
- 1...cxd3
- 2.Qf6#
- 2.Qg7#
- 1...Se4
- 2.Qxe4#
- 1...e2
- 2.Sxe2#
- 1...Bxf3!
- threat
- 1.Rxc4+?
- 1...Sxc4
- 2.Qxd3#
- 1...Qxc4+!
- 1...Sxc4
- 1.Qe4+?
- 1...Qxe4
- 2.Se2#
- 1...Sxe4!
- 1...Qxe4
- 1.Qg4+?
- 1...Qe4
- 2.Se2#
- 1...Se4!
- 1...Qe4
- 1.Qf6?
- threat
- 2.Sxc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 1...Rxd6+
- 2.Sc6#
- 2.Qxd6#
- 1...c3+
- 2.Sc4#
- 1...Qxc2
- 2.Se2#
- 1...Rxe8
- 2.Sc6#
- 1...Bxb4
- 2.Sd7#
- 1...Sxf3
- 2.Sexf3#
- 2.Sc6#
- 1...Qe2
- 2.Sxe2#
- 1...Qe4
- 2.Se2#
- 1...Qf5
- 2.Se2#
- 1...Qg6
- 2.Se2#
- 1...Qh7
- 2.Se2#
- 1...Qb3
- 2.Se2#
- 1...Qc3
- 2.Se2#
- 1...Rd7
- 2.Sxc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sxd7#
- 1...Se4
- 2.Sc6#
- 1...Sc6
- 2.Sxc6#
- 1...Qf1!
- threat
- 1.Sxd3?
- Keys
- 1.Qg7!
- threat
- 2.Sxc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 2.Qxa7#
- 1...Rxd6+
- 2.Sc6#
- 1...c3+
- 2.Sc4#
- 1...Qxc2
- 2.Se2#
- 1...Rxe8
- 2.Sc6#
- 1...Bxf3
- 2.Sexf3#
- 2.Sxc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 1...Bxb4
- 2.Sd7#
- 1...Sxf3
- 2.Sexf3#
- 2.Sc6#
- 1...Qf1
- 2.Qxa7#
- 1...Qe2
- 2.Sxe2#
- 2.Qxa7#
- 1...Qe4
- 2.Se2#
- 2.Qxa7#
- 1...Qf5
- 2.Se2#
- 2.Qxa7#
- 1...Qg6
- 2.Se2#
- 2.Qxa7#
- 1...Qh7
- 2.Se2#
- 1...Qb3
- 2.Se2#
- 2.Qxa7#
- 1...Qc3
- 2.Se2#
- 2.Qxa7#
- 1...Rd7
- 2.Sc6#
- 2.Sxd7#
- 1...Ra8
- 2.Sxc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 1...Rb8
- 2.Sxc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 1...Rc8
- 2.Sxc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 1...Sb3
- 2.Sxc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 1...Se4
- 2.Sc6#
- 1...Sb5
- 2.Sxc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- 1...Sc6
- 2.Sxc6#
- 1...Sc8
- 2.Sxc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sg6#
- 2.Sd7#
- threat
- 1.Qg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 5
- REMOVED MATES = 8
- Sets
- Q(d);N_GUARD,XR(B)::S(A)
- Q(d);N_GUARD::S(A),XQ(d)
- Q(d);N_GUARD::S(A)
- Q(d);N_GUARD,P_PINP(G),XQ(H)::S(A)
- R(i);CHECK,OGATE,XP(G)::QAR2(H),XR(i)
- S(h);N_GUARD::S(E)
- S(h);N_GUARD::S(E),XS(h)
- P(f);CHECK,N_GUARD::QAR1(H),XQ(d)
- Tries
- Try
- S(E);XQ(d)
- Threat
- S(A)
- Vars
- R(i);CHECK,OGATE,XP(G)::QAR2(H),XR(i)
- S(b);N_GUARD::QAR1(H),XS(b)
- P(e);::S(A),XP(e)
- Refutation
- B(a);XP(C)
- Try
- R(B);CHECK,P_SPINR(B),XP(f)
- Vars
- S(b);XR(B)::QAR1(H),XQ(d)
- Refutation
- Q(d);CHECK,XR(B)
- Try
- Q(H);CHECK
- Vars
- Q(d);XQ(H)::S(A)
- Refutation
- S(b);XQ(H)
- Try
- Q(H);CHECK
- Vars
- Q(d);P_SPINQ(d)::S(A)
- Refutation
- S(b);P_SPINS(b)
- Try
- Q(H);
- Threat
- DUALS(5)
- Vars
- P(f);CHECK::QAB(H)+S(E)
- Q(d);N_GUARD,XR(B)::S(A)
- R(i);XR(I)::QAB(H)+S(E),DCHECK
- B(c);XP(D)::QAB(H)+S(E)
- Q(d);N_GUARD::S(A),XQ(d)
- Q(d);N_GUARD::S(A)
- S(b);::QAB(H)+S(E),DCHECK
- S(h);::QAB(H)+S(E),DCHECK,XS(h)
- Refutation
- Q(d);
- Try
- Actual
- Q(H);
- Threat
- DUALS(6)
- Vars
- R(i);CHECK,XP(G)::QAB(H)+S(E),DCHECK
- P(f);CHECK::QAB(H)+S(E)
- Q(d);N_GUARD,XR(B)::S(A)
- R(i);XR(I)::QAB(H)+S(E),DCHECK
- B(c);XP(D)::QAB(H)+S(E)
- Q(d);::QAB(H),XS(h)
- Q(d);N_GUARD::S(A)
- S(b);::QAB(H)+S(E),DCHECK
- S(h);::QAB(H)+S(E),DCHECK,XS(h)
Developed and maintained by Brian Stephenson.
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