MESON Chess Problem Database
Problem Display
PID: 252859 (3r1N1q/1p2R1pQ/1P6/1KBkNpr1/3P4/2bP1p2/2P3nn/3B4 w - - 0 1)
Uris, Miguel
Problemas, 2021
#2
11 + 11
SOLUTION
- SOUND
- Sets
- 1...Qg8
- 2.Qxg8#
- 1...Rd7
- 2.Rxd7#
- 1...Ra8
- 2.Rd7#
- 1...Rb8
- 2.Rd7#
- 1...Rc8
- 2.Rd7#
- 1...Re8
- 2.Rd7#
- 1...Ba1
- 2.c4#
- 1...Be1
- 2.c4#
- 1...Bb2
- 2.c4#
- 1...Bd2
- 2.c4#
- 1...Bb4
- 2.c4#
- 1...Bxd4
- 2.c4#
- 1...Ba5
- 2.c4#
- 1...Sf1
- 2.Bxf3#
- 1...Sg4
- 2.Bxf3#
- 1...f4
- 2.Qe4#
- 1...g6
- 2.Qf7#
- 1...Qg8
- Tries
- 1.Sxf3?
- threat
- 2.Re5#
- 1...Bxd4
- 2.c4#
- 1...Sxf3
- 2.Bxf3#
- 1...Re8
- 2.Rd7#
- 1...f4
- 2.Qe4#
- 1...g6
- 2.Qf7#
- 1...Sg4!
- threat
- 1.Sc4?
- threat
- 2.Re5#
- 1...Re8
- 2.Rd7#
- 1...Sg4
- 2.Bxf3#
- 1...f4
- 2.Qe4#
- 1...g6
- 2.Qf7#
- 1...Bxd4!
- threat
- 1.Sc6?
- threat
- 2.Re5#
- 1...Bxd4
- 2.Sb4#
- 2.c4#
- 1...Re8
- 2.Rd7#
- 1...Sg4
- 2.Bxf3#
- 1...f4
- 2.Qe4#
- 1...g6
- 2.Qf7#
- 1...bxc6+!
- threat
- 1.Seg6?
- threat
- 2.Re5#
- 1...Bxd4
- 2.c4#
- 1...Re8
- 2.Rd7#
- 1...Sg4
- 2.Bxf3#
- 1...f4!
- threat
- 1.Sed7?
- threat
- 2.Re5#
- 1...Bxd4
- 2.c4#
- 1...Sg4
- 2.Bxf3#
- 1...f4
- 2.Qe4#
- 1...g6
- 2.Qf7#
- 1...Re8!
- threat
- 1.Sf7?
- threat
- 2.Re5#
- 1...Bxd4
- 2.c4#
- 1...Re8
- 2.Rd7#
- 1...Sg4
- 2.Bxf3#
- 1...f4
- 2.Qe4#
- 1...g6!
- threat
- 1.Qxf5?
- threat
- 2.Qe4#
- 2.Qe6#
- 2.Qf7#
- 1...Qxf8
- 2.Qe4#
- 2.Qe6#
- 1...Rxf8
- 2.Rd7#
- 2.Qe4#
- 2.Qe6#
- 2.Qd7#
- 1...Qh3
- 2.Qe4#
- 1...Qh4
- 2.Qe6#
- 2.Qf7#
- 1...Qh5
- 2.Qe4#
- 2.Qe6#
- 1...Qh6
- 2.Qe4#
- 1...Qh7
- 2.Qe6#
- 2.Qf7#
- 1...Qg8
- 2.Qe4#
- 1...Rg4
- 2.Sxf3#
- 2.Sc4#
- 2.Sxg4#
- 2.Sc6#
- 2.Seg6#
- 2.Sed7#
- 2.Sf7#
- 2.Qe6#
- 2.Qf7#
- 1...Rg6
- 2.Sxf3#
- 2.Sc4#
- 2.Sg4#
- 2.Sc6#
- 2.Sexg6#
- 2.Sed7#
- 2.Sf7#
- 2.Qe4#
- 1...Rd6
- 2.Qe4#
- 1...Sf4
- 2.Qe4#
- 1...Rxf5!
- threat
- 1.Sxf3?
- Keys
- 1.Sg4!
- threat
- 2.Re5#
- 1...Bxd4
- 2.c4#
- 1...Sxg4
- 2.Bxf3#
- 1...fxg4
- 2.Qe4#
- 1...Re8
- 2.Rd7#
- 1...f4
- 2.Qe4#
- 1...g6
- 2.Qf7#
- threat
- 1.Sg4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 12
- Sets
- Q(k);N_GUARD::QAB(J),XQ(k)
- R(j);N_GUARD::R(I),XR(j)
- R(j);N_GUARD::R(I)
- B(c);OGATE::P(B)
- B(c);OGATE,XP(D)::P(B)
- S(b);N_GUARD::B(A),XP(d)
- P(f);OGATE::QAB1(J)
- P(i);OGATE::QAB(J)
- Tries
- Try
- S(G);XP(d)
- Threat
- R1(I)
- Vars
- B(c);OGATE,XP(D)::P(B)
- S(b);OGATE,XS(G)::B(A),XS(b)
- R(j);N_GUARD::R(I)
- P(f);OGATE::QAB1(J)
- P(i);OGATE::QAB(J)
- Refutation
- S(b);
- Try
- S(G);
- Threat
- R1(I)
- Vars
- R(j);N_GUARD::R(I)
- S(b);N_GUARD::B(A),XP(d)
- P(f);OGATE::QAB1(J)
- P(i);OGATE::QAB(J)
- Refutation
- B(c);XP(D)
- Try
- S(G);
- Threat
- R1(I)
- Vars
- R(j);N_GUARD::R(I)
- S(b);N_GUARD::B(A),XP(d)
- P(f);OGATE::QAB1(J)
- P(i);OGATE::QAB(J)
- Refutation
- P(h);CHECK,XS(G)
- Try
- S(G);
- Threat
- R1(I)
- Vars
- B(c);OGATE,XP(D)::P(B)
- R(j);N_GUARD::R(I)
- S(b);N_GUARD::B(A),XP(d)
- Refutation
- P(f);
- Try
- S(G);
- Threat
- R1(I)
- Vars
- B(c);OGATE,XP(D)::P(B)
- S(b);N_GUARD::B(A),XP(d)
- P(f);OGATE::QAB1(J)
- P(i);OGATE::QAB(J)
- Refutation
- R(j);
- Try
- S(G);
- Threat
- R1(I)
- Vars
- B(c);OGATE,XP(D)::P(B)
- R(j);N_GUARD::R(I)
- S(b);N_GUARD::B(A),XP(d)
- P(f);OGATE::QAB1(J)
- Refutation
- P(i);
- Try
- Q(J);XP(f)
- Threat
- DUALS(3)
- Vars
- Q(k);::QAB1(J)
- R(j);::QAB1(J)
- S(a);::QAB1(J)
- Refutation
- R(g);XQ(J)
- Try
- Actual
- S(G);
- Threat
- R1(I)
- Vars
- B(c);OGATE,XP(D)::P(B)
- S(b);N_GUARD,XS(G)::B(A),XP(d)
- P(f);OGATE,XS(G)::QAB1(J)
- R(j);N_GUARD::R(I)
- P(f);OGATE::QAB1(J)
- P(i);OGATE::QAB(J)
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