MESON Chess Problem Database
Problem Display
PID: 249996 (1B1r1b2/3R3r/1NNq1Pp1/2n3R1/1p1pk1p1/1pP3Pb/1P2BQ2/K7 w - - 0 1)
Janevski, Zivko
Uralski Problemist, 2008
#2
12 + 12
SOLUTION
- SOUND
- Sets
- 1...Qxg3
- 2.Qxd4#
- 1...Qf4
- 2.Qxd4#
- 2.Qxf4#
- 1...Qe5
- 2.Rxe5#
- 1...Qc7
- 2.Qxd4#
- 1...Qe7
- 2.Qxd4#
- 2.Qf4#
- 1...Qxb8
- 2.Qxd4#
- 1...Qd5
- 2.Qf4#
- 1...Qxc6
- 2.Re5#
- 2.Qxd4#
- 2.Qf4#
- 1...Qe6
- 2.Qxd4#
- 2.Qf4#
- 1...Qxd7
- 2.Re5#
- 2.Qf4#
- 1...Qxg3
- Tries
- 1.Sc4?
- threat
- 2.Sd2#
- 1...dxc3
- 2.Qe3#
- 1...Qf4
- 2.Qxd4#
- 2.Qxf4#
- 1...bxc3!
- threat
- 1.Sd5?
- threat
- 2.Qxd4#
- 1...Qxd5
- 2.Qf4#
- 1...Qxf6
- 2.Sxf6#
- 1...dxc3
- 2.Qe3#
- 2.Qd4#
- 1...Qe5
- 2.Rxe5#
- 1...d3
- 2.Qe3#
- 2.Qd4#
- 1...Se6!
- threat
- 1.Bd1?
- threat
- 2.Qe2#
- 1...Kd3
- 2.Qe2#
- 1...Qxg3
- 2.Qxd4#
- 1...Qf4
- 2.Qxd4#
- 1...d3
- 2.Qe1#
- 1...Bf1!
- threat
- 1.Bd3+?
- 1...Sxd3
- 2.Qe2#
- 1...Kxd3!
- 1...Sxd3
- 1.Bf3+?
- 1...Kd3
- 2.Sxb4#
- 2.Qe2#
- 1...gxf3!
- 1...Kd3
- 1.Bxg4?
- threat
- 2.Qe2#
- 2.Qf3#
- 1...Kd3
- 2.Qe2#
- 1...Qxg3
- 2.Qxd4#
- 1...Qxf6
- 2.Qe2#
- 1...Bf1
- 2.Qf3#
- 1...Qf4
- 2.Qxd4#
- 1...Bg2
- 2.Qe2#
- 1...d3
- 2.Bf3#
- 2.Qe1#
- 2.Qf3#
- 1...Bxg4!
- threat
- 1.Bxd6?
- threat
- 2.Re5#
- 2.Qxd4#
- 2.Qf4#
- 1...Bxd6
- 2.Qxd4#
- 1...Sxd7
- 2.Qxd4#
- 2.Qf4#
- 1...dxc3
- 2.Re5#
- 2.Qd4#
- 2.Qf4#
- 1...Rh5
- 2.Qxd4#
- 2.Qf4#
- 1...Re7
- 2.Qxd4#
- 2.Qf4#
- 1...Re8
- 2.Qxd4#
- 2.Qf4#
- 1...Sd3
- 2.Qxd4#
- 1...Se6
- 2.Re5#
- 1...d3
- 2.Re5#
- 2.Qd4#
- 2.Qf4#
- 1...Ra8+!
- threat
- 1.Rxg4+?
- 1...Qf4
- 2.Rxf4#
- 2.Qxf4#
- 1...Bxg4!
- 1...Qf4
- 1.Rxd6?
- threat
- 2.Re5#
- 2.Qxd4#
- 2.Qf4#
- 1...Rxd6
- 2.Re5#
- 2.Qf4#
- 1...Bxd6
- 2.Qxd4#
- 1...dxc3
- 2.Re5#
- 2.Qd4#
- 2.Qf4#
- 1...Rh5
- 2.Qxd4#
- 2.Qf4#
- 1...Re7
- 2.Qxd4#
- 2.Qf4#
- 1...Re8
- 2.Rxd4#
- 2.Qxd4#
- 2.Qf4#
- 1...Sd3
- 2.Qxd4#
- 1...Se6
- 2.Re5#
- 2.Rxe6#
- 1...Sd7
- 2.Rxd4#
- 2.Qxd4#
- 2.Qf4#
- 1...d3
- 2.Re5#
- 2.Qd4#
- 2.Qf4#
- 1...Ra7+!
- threat
- 1.Qg2+?
- 1...Ke3
- 2.Sc4#
- 1...Bxg2!
- 1...Ke3
- 1.Sc4?
- Keys
- 1.Se5!
- threat
- 2.Qf4#
- 1...Qxe5
- 2.Rxe5#
- 1...Qxf6
- 2.Qxd4#
- 1...Sd3
- 2.Bxd3#
- 1...Se6
- 2.Bd3#
- threat
- 1.Se5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 4
- Sets
- Q(h);N_GUARD,XP(F)::QAR1(D),XP(d)
- Q(h);N_GUARD::R1(G),XQ(h)
- Q(h);N_GUARD::QAR1(D),XP(d)
- Q(h);N_GUARD,XB(L)::QAR1(D),XP(d)
- Q(h);N_GUARD::QAR1(D)
- Tries
- Try
- S(H);
- Threat
- S(H)
- Vars
- P(d);N_GUARD,XP(E)::QAR1(D)
- Refutation
- P(c);XP(E)
- Try
- S(H);
- Threat
- QAR1(D),XP(d)
- Vars
- Q(h);N_GUARD,XS(H)::QAR1(D)
- Q(h);XP(J)::S(H),XQ(h)
- Q(h);N_GUARD::R1(G),XQ(h)
- Refutation
- S(g);
- Try
- B(C);
- Threat
- QAR2(D)
- Vars
- K(e);S_FLIGHT::QAB1(D)
- Q(h);N_GUARD,XP(F)::QAR1(D),XP(d)
- Q(h);N_GUARD::QAR1(D),XP(d)
- P(d);SBLOCK::QAR(D)
- Refutation
- B(b);
- Try
- B(C);CHECK
- Vars
- S(g);XB(C)::QAR2(D)
- Refutation
- K(e);S_FLIGHT,XB(C)
- Try
- B(C);CHECK
- Refutation
- P(f);XB(C)
- Try
- B(C);XP(f)
- Threat
- DUALS(2)
- Vars
- K(e);S_FLIGHT::QAB1(D)
- Q(h);N_GUARD,XP(F)::QAR1(D),XP(d)
- Q(h);XP(J)::QAR2(D)
- B(b);::QAB1(D)
- Q(h);N_GUARD::QAR1(D),XP(d)
- B(b);::QAR2(D)
- Refutation
- B(b);XB(C)
- Try
- B(L);XQ(h)
- Threat
- DUALS(3)
- Vars
- B(l);XB(L)::QAR1(D),XP(d)
- S(g);::QAR1(D),XP(d)
- S(g);::R1(G)
- Refutation
- R(k);CHECK
- Try
- R(G);CHECK,XP(f)
- Refutation
- B(b);XR(G)
- Try
- R(K);XQ(h)
- Threat
- DUALS(3)
- Vars
- B(l);XR(K)::QAR1(D),XP(d)
- S(g);::QAR1(D),XP(d)
- Refutation
- R(j);CHECK
- Try
- Q(D);CHECK
- Vars
- K(e);P-FLIGHT,S_CUTB(b)::S(H)
- Refutation
- B(b);XQ(D)
- Try
- Actual
- S(I);
- Threat
- QAR1(D)
- Vars
- Q(h);OGATE,XS(I)::R1(G),XQ(h)
- Q(h);N_GUARD,XP(J)::QAR1(D),XP(d)
- S(g);N_GUARD::B(C),XS(g)
- S(g);N_GUARD::B(C)
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