MESON Chess Problem Database
Problem Display
PID: 254677 (K7/2N5/2QP1pnB/p2rk2r/R4pP1/2Pp3b/3NPRq1/6nB w - - 0 1)
Murashev, Pavel Aleksandrovich
idee & form, 2017
#2
12 + 11
| 15601 | Albrecht-Leiss-Degener Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Qf1
- 2.Sc4#
- 2.Re4#
- 2.Qxd5#
- 1...Qe4
- 2.Rxe4#
- 1...Qxf2
- 2.Sc4#
- 2.Re4#
- 2.Qxd5#
- 1...Qh2
- 2.Sc4#
- 2.Re4#
- 2.Qxd5#
- 1...Qg3
- 2.Sc4#
- 2.Re4#
- 2.Qxd5#
- 1...Qxg4
- 2.Qxd5#
- 1...Rd4
- 2.cxd4#
- 1...Rb5
- 2.Sc4#
- 1...Rxd6
- 2.Sc4#
- 1...Sf3
- 2.Re4#
- 2.Qxd5#
- 1...Sh4
- 2.Bxf4#
- 1...Se7
- 2.Bxf4#
- 1...Sf8
- 2.Bxf4#
- 1...Sh8
- 2.Bxf4#
- 1...f3
- 2.Re4#
- 2.Qxd5#
- 1...f5
- 2.Bg7#
- 1...Qf1
- Tries
- 1.Sf3+?
- 1...Sxf3
- 2.Qxd5#
- 1...Qxf3!
- 1...Sxf3
- 1.Bxg2?
- threat
- 2.Sc4#
- 2.Re4#
- 2.Qxd5#
- 1...Rxd6
- 2.Sc4#
- 2.Re4#
- 2.Qe4#
- 1...Bxg4
- 2.Qxd5#
- 1...f5
- 2.Bg7#
- 1...Rd4
- 2.cxd4#
- 1...Rb5
- 2.Sc4#
- 2.Re4#
- 1...Rc5
- 2.Re4#
- 2.Qxc5#
- 1...Sf3
- 2.Sxf3#
- 2.Re4#
- 2.Qxd5#
- 1...Se7
- 2.Sc4#
- 2.Bxf4#
- 2.Re4#
- 1...f3
- 2.Re4#
- 2.Qxd5#
- 1...Bxg2!
- threat
- 1.Rxg2?
- threat
- 2.Re4#
- 2.Qxd5#
- 1...Rxd6
- 2.Sc4#
- 2.Re4#
- 2.Qe4#
- 1...Bxg4
- 2.Qxd5#
- 1...f5
- 2.Bg7#
- 1...Rd4
- 2.cxd4#
- 1...Rb5
- 2.Sc4#
- 2.Re4#
- 1...Rc5
- 2.Re4#
- 2.Qxc5#
- 1...Se7
- 2.Bxf4#
- 2.Re4#
- 1...Bxg2!
- threat
- 1.Rf3?
- threat
- 2.Re4#
- 2.Qxd5#
- 1...Qxe2
- 2.Qxd5#
- 1...Qxg4
- 2.Qxd5#
- 1...Rxd6
- 2.Sc4#
- 2.Re4#
- 2.Qe4#
- 1...Bxg4
- 2.Qxd5#
- 1...f5
- 2.Bg7#
- 1...Rd4
- 2.cxd4#
- 1...Rb5
- 2.Sc4#
- 2.Re4#
- 1...Rc5
- 2.Re4#
- 2.Qxc5#
- 1...Se7
- 2.Bxf4#
- 2.Re4#
- 1...Qxf3!
- threat
- 1.Raxf4?
- threat
- 2.Sc4#
- 1...Sxf4
- 2.Bxf4#
- 1...f5
- 2.Bg7#
- 1...Qe4
- 2.Rxe4#
- 1...Rd4
- 2.cxd4#
- 1...Rc5!
- threat
- 1.Qe8+?
- 1...Se7
- 2.Bxf4#
- 2.Qxe7#
- 1...Kxd6!
- 1...Se7
- 1.exd3?
- threat
- 2.Sc4#
- 1...Qxg4
- 2.Qxd5#
- 1...f5
- 2.Bg7#
- 1...Rc5
- 2.d4#
- 1...Qe4
- 2.Rxe4#
- 1...Rd4
- 2.cxd4#
- 1...Bxg4!
- threat
- 1.e4?
- threat
- 2.Qxd5#
- 1...Qxe4
- 2.Rxe4#
- 1...Rxd6
- 2.Sc4#
- 1...f5
- 2.Bg7#
- 1...Rc5
- 2.Qxc5#
- 1...Rd4
- 2.cxd4#
- 1...Rb5
- 2.Sc4#
- 1...Se7
- 2.Bxf4#
- 1...fxe4 ep!
- threat
- 1.Sf3+?
- Keys
- 1.Se4!
- threat
- 2.Qxd5#
- 1...Qxe4
- 2.Rxe4#
- 1...Rxd6
- 2.Qxd6#
- 1...Rd4
- 2.cxd4#
- 1...Rb5
- 2.Qxb5#
- 1...Rc5
- 2.Qxc5#
- 1...Se7
- 2.Bxf4#
- threat
- 1.Se4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- Q(b);N_GUARD::R1(F),XQ(b)
- Q(b);N_GUARD,XP(G)::QAR1(H),XR(g)
- R(g);OGATE,P_PINQ(H)::P(E),XR(g)
- R(g);P_PINQ(H)::S(B)
- R(g);P_PINQ(H),XP(I)::S(B)
- S(k);N_GUARD::B(J),XP(e)
- P(j);OGATEB::B(J)
- Tries
- Try
- S(B);CHECK
- Vars
- S(a);XS(B)::QAR1(H),XR(g)
- Refutation
- Q(b);XS(B)
- Try
- B(A);XQ(b)
- Threat
- DUALS(3)
- Vars
- B(d);XP(G)::QAR1(H),XR(g)
- P(j);OGATEB::B(J)
- R(g);OGATE::P(E),XR(g)
- Refutation
- B(d);XB(A)
- Try
- R(D);XQ(b)
- Threat
- DUALS(2)
- Vars
- B(d);XP(G)::QAR1(H),XR(g)
- P(j);OGATEB::B(J)
- R(g);OGATE::P(E),XR(g)
- Refutation
- B(d);XR(D)
- Try
- R(D);
- Threat
- DUALS(2)
- Vars
- Q(b);XP(C)::QAR1(H),XR(g)
- Q(b);XP(G)::QAR1(H),XR(g)
- B(d);XP(G)::QAR1(H),XR(g)
- P(j);OGATEB::B(J)
- R(g);OGATE::P(E),XR(g)
- Refutation
- Q(b);XR(D)
- Try
- R(F);XP(e)
- Threat
- S(B)
- Vars
- S(k);OGATE,XR(F)::B(J),XS(k)
- P(j);OGATEB::B(J)
- Q(b);N_GUARD::R1(F),XQ(b)
- R(g);OGATE,P_PINQ(H)::P(E),XR(g)
- Refutation
- R(g);P_PINQ(H)
- Try
- Q(H);CHECK
- Refutation
- K(h);S_FLIGHT,XP(I)
- Try
- P(C);XP(c)
- Threat
- S(B)
- Vars
- Q(b);N_GUARD,XP(G)::QAR1(H),XR(g)
- P(j);OGATEB::B(J)
- R(g);N_GUARD,P_PINQ(H)::P(C)
- Q(b);N_GUARD::R1(F),XQ(b)
- R(g);OGATE,P_PINQ(H)::P(E),XR(g)
- Refutation
- B(d);XP(G)
- Try
- P(C);
- Threat
- QAR1(H),XR(g)
- Vars
- Q(b);OGATE,XP(C)::R1(F),XQ(b)
- R(g);XP(I)::S(B)
- P(j);OGATEB::B(J)
- R(g);OGATEB::QAR2(H),XR(g)
- R(g);OGATE::P(E),XR(g)
- R(g);::S(B)
- S(k);N_GUARD::B(J),XP(e)
- Refutation
- P(e);EP,XP(C)
- Try
- Actual
- S(B);
- Threat
- QAR1(H),XR(g)
- Vars
- Q(b);OGATE,XS(B)::R1(F),XQ(b)
- R(g);OGATE,XP(I)::QAB1(H),XR(g)
- R(g);OGATE::P(E),XR(g)
- R(g);OGATEB::QAR(H),XR(g)
- R(g);OGATEB::QAR2(H),XR(g)
- S(k);N_GUARD::B(J),XP(e)
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