MESON Chess Problem Database
Problem Display
PID: 267895 (3b4/8/2Kp3B/3BR1p1/1QNkP3/2p2q2/3nP3/3N4 w - - 0 1)
Uris, Miguel
Zaldo MT (Problemas), 2019
#2
9 + 7
SOLUTION
- SOUND
- Sets
- 1...Qh1
- 2.Qxc3#
- 1...Qxe2
- 2.Qxc3#
- 1...Qg2
- 2.Qxc3#
- 1...Qxe4
- 2.Qxc3#
- 1...Qg4
- 2.Qxc3#
- 1...Qh5
- 2.Qxc3#
- 1...Qf1
- 2.Qxc3#
- 1...Qf2
- 2.Qxc3#
- 1...Qf4
- 2.Qxc3#
- 1...Qf5
- 2.Qxc3#
- 1...Qf6
- 2.Qxc3#
- 1...Qf7
- 2.Qxc3#
- 1...Qf8
- 2.Qxc3#
- 1...Bb6
- 2.Qxb6#
- 1...Bf6
- 2.Qb6#
- 1...Be7
- 2.Qb6#
- 1...dxe5
- 2.Sxd2#
- 2.Qc5#
- 1...Qh1
- Tries
- 1.Sce3+?
- 1...Sc4
- 2.Qxc3#
- 1...Kxe5!
- 1...Sc4
- 1.Rf5?
- threat
- 2.Sxd2#
- 1...Qxe2
- 2.Qxc3#
- 1...Qxf5
- 2.Qxc3#
- 1...Sxc4
- 2.Qxc4#
- 1...Sxe4
- 2.Scb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sce3#
- 2.Sa5#
- 2.Se5#
- 2.Sb6#
- 2.Sxd6#
- 1...Ba5
- 2.Bg7#
- 1...Sb1
- 2.Scb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sce3#
- 2.Sa5#
- 2.Se5#
- 2.Sb6#
- 2.Sxd6#
- 1...Sf1
- 2.Scb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sce3#
- 2.Sa5#
- 2.Se5#
- 2.Sb6#
- 2.Sxd6#
- 1...Sb3
- 2.Scb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sce3#
- 2.Sa5#
- 2.Se5#
- 2.Sb6#
- 2.Sxd6#
- 1...Qd3!
- threat
- 1.Re7?
- threat
- 2.Sxd2#
- 1...Qxe2
- 2.Qxc3#
- 1...Bxe7
- 2.Qb6#
- 1...Sxc4
- 2.Qxc4#
- 1...Sxe4
- 2.Scb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sce3#
- 2.Sa5#
- 2.Se5#
- 2.Sb6#
- 2.Sxd6#
- 1...Qd3
- 2.Bg7#
- 1...Sb1
- 2.Scb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sce3#
- 2.Sa5#
- 2.Se5#
- 2.Sb6#
- 2.Sxd6#
- 1...Sf1
- 2.Scb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sce3#
- 2.Sa5#
- 2.Se5#
- 2.Sb6#
- 2.Sxd6#
- 1...Sb3
- 2.Scb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sce3#
- 2.Sa5#
- 2.Se5#
- 2.Sb6#
- 2.Sxd6#
- 1...Ba5!
- threat
- 1.Sce3+?
- Keys
- 1.Bg7!
- threat
- 2.Sxd2#
- 1...Qxe2
- 2.Qxc3#
- 1...Sxc4
- 2.Qxc4#
- 1...Sxe4
- 2.Scb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sce3#
- 2.Sa5#
- 2.Sb6#
- 2.Sxd6#
- 2.Rxe4#
- 1...Qd3
- 2.Re7#
- 1...Qf6
- 2.Qxc3#
- 1...Ba5
- 2.Rf5#
- 1...Bf6
- 2.Qb6#
- 1...Sb1
- 2.Scb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sce3#
- 2.Sa5#
- 2.Sb6#
- 2.Sxd6#
- 1...Sf1
- 2.Scb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sce3#
- 2.Sa5#
- 2.Sb6#
- 2.Sxd6#
- 1...Sb3
- 2.Scb2#
- 2.Sd2#
- 2.Sa3#
- 2.Sce3#
- 2.Sa5#
- 2.Sb6#
- 2.Sxd6#
- threat
- 1.Bg7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 13
- Sets
- Q(c);N_GUARD::QAB1(C),XP(b)
- Q(c);N_GUARD,XP(B)::QAB1(C),XP(b)
- Q(c);N_GUARD,P_PINB(F),XP(E)::QAB1(C),XP(b)
- B(g);N_GUARD::QAB(C),XB(g)
- B(g);N_GUARD::QAB(C)
- Tries
- Try
- S(D);CHECK
- Vars
- S(a);P_SPINS(a)::QAB1(C),XP(b)
- Refutation
- K(d);S_FLIGHT,XR(G)
- Try
- R(G);
- Threat
- QAR(C)+S(D),XS(a)
- Vars
- Q(c);N_GUARD,XP(B)::QAB1(C),XP(b)
- Q(c);N_GUARD,XR(G)::QAB1(C),XP(b)
- S(a);OGATE,P_SPINS(a),XS(D)::QAR1(C),XS(a)
- B(g);N_GUARD::B(I)
- Refutation
- Q(c);
- Try
- R(G);
- Threat
- QAR(C)+S(D),XS(a)
- Vars
- Q(c);N_GUARD,XP(B)::QAB1(C),XP(b)
- B(g);N_GUARD,XR(G)::QAB(C)
- S(a);OGATE,P_SPINS(a),XS(D)::QAR1(C),XS(a)
- Q(c);N_GUARD::B(I)
- Refutation
- B(g);
- Try
- Actual
- B(I);
- Threat
- QAR(C)+S(D),XS(a)
- Vars
- Q(c);N_GUARD,XP(B)::QAB1(C),XP(b)
- S(a);OGATE,P_SPINS(a),XS(D)::QAR1(C),XS(a)
- Q(c);N_GUARD::B(I)+R(G)
- Q(c);N_GUARD::QAB1(C),XP(b)
- B(g);N_GUARD::B(I)+R(G)
- B(g);N_GUARD::QAB(C)
Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) &
CSS/Javascript (jQuery, Bootstrap & DataTables).