MESON Chess Problem Database
Problem Display
PID: 166965 (B6n/q2R2pb/1N1R4/2P1k1p1/7r/p5P1/5Q2/K3N3 w - - 0 1)
Romanovskis, Vladimirs
Sachmatija, 2010
#2
9 + 8
SOLUTION
- SOUND
- Sets
- 1...Qxb6
- 2.Re7#
- 1...Qb8
- 2.Re7#
- 1...Qa4
- 2.Re7#
- 1...Qa5
- 2.Re7#
- 1...Qa6
- 2.Re7#
- 1...Qxd7
- 2.Sxd7#
- 1...Qxa8
- 2.Re7#
- 1...Rh1
- 2.Sc4#
- 1...Rh2
- 2.Sc4#
- 1...Rh3
- 2.Sc4#
- 1...Rc4
- 2.Sxc4#
- 1...Re4
- 2.Sd3#
- 1...Rh5
- 2.Sc4#
- 1...Rh6
- 2.Sc4#
- 1...Bd3
- 2.Sxd3#
- 1...Be4
- 2.Sc4#
- 1...Bf5
- 2.Sf3#
- 1...Bg8
- 2.Sd3#
- 1...Sg6
- 2.Sd3#
- 1...g4
- 2.Sc4#
- 2.Qf4#
- 1...g6
- 2.Sd3#
- 2.Qf6#
- 1...Qxb6
- Tries
- 1.Bd5?
- threat
- 2.Re6#
- 1...Qxb6
- 2.Re7#
- 1...Qxd7
- 2.Sxd7#
- 1...Rh6
- 2.Sc4#
- 1...Bf5
- 2.Sf3#
- 1...Bg8
- 2.Sd3#
- 1...Rf4!
- threat
- 1.Rd5+?
- 1...Ke4
- 2.Qd4#
- 2.Qe2#
- 2.Qf3#
- 1...Ke6!
- 1...Ke4
- 1.Rxa7?
- threat
- 2.Sd7#
- 2.Re7#
- 1...Rh6
- 2.Sc4#
- 2.Sd7#
- 1...Bf5
- 2.Sf3#
- 1...Bg8
- 2.Sd3#
- 2.Sd7#
- 1...Sg6
- 2.Sd3#
- 2.Sd7#
- 1...Rf4!
- threat
- 1.Qf5+?
- 1...Bxf5
- 2.Sf3#
- 1...Kxf5!
- 1...Bxf5
- 1.Qf7?
- threat
- 2.Sf3#
- 2.Re6#
- 2.Qd5#
- 2.Qe6#
- 1...Qxb6
- 2.Sf3#
- 2.Re7#
- 2.Qd5#
- 2.Qe6#
- 1...Qxd7
- 2.Sf3#
- 2.Sxd7#
- 2.Qd5#
- 1...Qxa8
- 2.Re6#
- 2.Re7#
- 2.Qe6#
- 1...Qb7
- 2.Re6#
- 2.Qe6#
- 1...Rh1
- 2.Sc4#
- 2.Re6#
- 2.Qd5#
- 2.Qe6#
- 1...Rd4
- 2.Sf3#
- 2.Re6#
- 2.Qe6#
- 1...Rf4
- 2.Re6#
- 2.Qd5#
- 2.Qe6#
- 1...Rh6
- 2.Sf3#
- 2.Sc4#
- 2.Qd5#
- 1...Be4
- 2.Sc4#
- 2.Re6#
- 2.Qe6#
- 1...Bf5
- 2.Sf3#
- 2.Qd5#
- 2.Qxg7#
- 1...Bg8
- 2.Sd3#
- 2.Sf3#
- 2.Re6#
- 1...g4
- 2.Sc4#
- 2.Re6#
- 2.Qd5#
- 2.Qe6#
- 2.Qf4#
- 1...Sxf7!
- threat
- 1.gxh4?
- threat
- 2.Sc4#
- 1...Qxb6
- 2.Re7#
- 1...Qxa8
- 2.Re7#
- 1...Qa4
- 2.Re7#
- 1...Qa6
- 2.Re7#
- 1...Bd3
- 2.Sxd3#
- 1...Bg8
- 2.Sd3#
- 1...Qb7!
- threat
- 1.g4?
- threat
- 2.Sc4#
- 2.Qg3#
- 2.Qd4#
- 1...Qxb6
- 2.Re7#
- 2.Qg3#
- 2.Qd4#
- 1...Qxa8
- 2.Re7#
- 2.Qd4#
- 1...Qb7
- 2.Qd4#
- 1...Qa4
- 2.Re7#
- 1...Qa6
- 2.Re7#
- 2.Qg3#
- 2.Qd4#
- 1...Rh3
- 2.Sc4#
- 2.Qd4#
- 1...Bd3
- 2.Sxd3#
- 2.Qg3#
- 2.Qd4#
- 1...Be4
- 2.Sc4#
- 2.Qg3#
- 1...Bg8
- 2.Sd3#
- 2.Qe3#
- 2.Qg3#
- 2.Qd4#
- 2.Qf5#
- 1...Sg6
- 2.Sd3#
- 2.Sc4#
- 2.Qe3#
- 2.Qd4#
- 2.Qf5#
- 1...Rxg4!
- threat
- 1.Bd5?
- Keys
- 1.Be4!
- threat
- 2.Qd4#
- 1...Kxe4
- 2.Re6#
- 1...Rxe4
- 2.Sd3#
- 1...Bxe4
- 2.Sc4#
- 1...Qa4
- 2.Re7#
- threat
- 1.Be4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 16
- Sets
- Q(e);N_GUARD,XS(F)::R(H)
- Q(e);N_GUARD::R(H)
- Q(e);XR(H)::S(F),XQ(e)
- Q(e);N_GUARD,XB(I)::R(H)
- R(b);N_GUARD,P_PINS(B)::S(F)
- R(b);N_GUARD::S(F)
- R(b);N_GUARD::S(F),XR(b)
- R(b);S_CUTB(g)::S(B)
- B(g);N_GUARD::S(B),XB(g)
- B(g);S_CUTR(b)::S(F)
- B(g);SBLOCK::S(B)
- B(g);N_GUARD::S(B)
- S(h);S_CUTB(g)::S(B)
- Tries
- Try
- B(I);
- Threat
- R1(G)
- Vars
- Q(e);N_GUARD,XS(F)::R(H)
- Q(e);XR(H)::S(F),XQ(e)
- R(b);N_GUARD::S(F)
- B(g);SBLOCK::S(B)
- B(g);N_GUARD::S(B)
- Refutation
- R(b);
- Try
- R(G);CHECK
- Refutation
- K(c);P-FLIGHT
- Try
- R(H);XQ(e)
- Threat
- DUALS(2)
- Vars
- B(g);SBLOCK::S(B)
- Refutation
- R(b);
- Try
- Q(C);CHECK
- Vars
- B(g);SBLOCK,XQ(C)::S(B)
- Refutation
- K(c);P-FLIGHT,XQ(C)
- Try
- Q(C);
- Threat
- DUALS(4)
- Refutation
- S(h);XQ(C)
- Try
- P(D);XR(b)
- Threat
- S(F)
- Vars
- Q(e);N_GUARD,XS(F)::R(H)
- Q(e);N_GUARD,XB(I)::R(H)
- Q(e);N_GUARD::R(H)
- B(g);N_GUARD::S(B),XB(g)
- B(g);N_GUARD::S(B)
- Refutation
- Q(e);
- Try
- P(D);
- Threat
- DUALS(3)
- Vars
- Q(e);::QAB1(C)
- Q(e);N_GUARD::R(H)
- Refutation
- R(b);XP(D)
- Try
- Actual
- B(I);
- Threat
- QAB1(C)
- Vars
- K(c);P-FLIGHT,XB(I)::R(G)
- R(b);SBLOCK,XB(I)::S(B)
- B(g);SBLOCK,XB(I)::S(F)
- Q(e);N_GUARD::R(H)
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