MESON Chess Problem Database
Problem Display
PID: 238853 (8/1b2pK2/1N2p2p/1QBrk3/3NP3/n3b1P1/n5BR/3R4 w - - 0 1)
Murashev, Pavel Aleksandrovich
L'Italia Scacchistica, 2009
#2
10 + 9
| 15148 | Sadier Collection | 2021 |
SOLUTION
- SOUND
- Sets
- 1...Rd7
- 2.Sxd7#
- 1...Bg1
- 2.Rh5#
- 1...Bf2
- 2.Rh5#
- 1...Bxd4
- 2.Rh5#
- 1...Ba6
- 2.Sc6#
- 1...Bc6
- 2.Sxc6#
- 1...Bc8
- 2.Sc6#
- 1...Sb1
- 2.Sc4#
- 1...Sc2
- 2.Sc4#
- 1...Sc4
- 2.Sxc4#
- 1...Sxb5
- 2.Sc4#
- 1...Rd7
- Tries
- 1.Bxa3?
- threat
- 2.Sc4#
- 2.Sd7#
- 1...Rc5
- 2.Sc4#
- 1...Sb4
- 2.Sc4#
- 1...Bc6
- 2.Sxc6#
- 2.Sc4#
- 1...Bc8
- 2.Sc6#
- 2.Sc4#
- 1...Bd2!
- threat
- 1.Bd6+?
- 1...exd6
- 2.Sd7#
- 1...Kxd6!
- 1...exd6
- 1.Bxe7?
- threat
- 2.Sd7#
- 1...Sxb5
- 2.Sc4#
- 1...Bc6
- 2.Sxc6#
- 1...Bc8
- 2.Sc6#
- 1...Bd2!
- threat
- 1.Rh4?
- threat
- 2.Sf3#
- 1...Bxd4
- 2.Rh5#
- 1...Bf4
- 2.gxf4#
- 1...Rxd4!
- threat
- 1.Qd3?
- threat
- 2.Sf3#
- 1...Bxd4
- 2.Rh5#
- 1...Rxd4!
- threat
- 1.Qc6?
- threat
- 2.Qxe6#
- 1...Bxc6
- 2.Sxc6#
- 1...Rd6
- 2.Sf3#
- 1...Bc8!
- threat
- 1.Qd7?
- threat
- 2.Qxe6#
- 1...Rxd7
- 2.Sxd7#
- 1...Bc8
- 2.Sc6#
- 1...Rd6!
- threat
- 1.Qb1?
- threat
- 2.Sf3#
- 1...Bxd4
- 2.Rh5#
- 1...Sxb1
- 2.Sc4#
- 1...Sc2
- 2.Sc4#
- 1...Rxd4!
- threat
- 1.Qb2?
- threat
- 2.Sc6#
- 1...Rxd4
- 2.Sd7#
- 1...Bxd4
- 2.Rh5#
- 1...Bc6
- 2.Sxc6#
- 1...Sc3!
- threat
- 1.Bxa3?
- Keys
- 1.Qc4!
- threat
- 2.Sf3#
- 1...Rxd4
- 2.Qxe6#
- 1...Bxd4
- 2.Rh5#
- 1...Sxc4
- 2.Sxc4#
- threat
- 1.Qc4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 9
- Sets
- R(d);N_GUARD::S(I),XR(d)
- B(c);N_GUARD::R(C)
- B(c);N_GUARD,XS(E)::R(C)
- B(h);N_GUARD::S(E)
- B(h);N_GUARD::S(E),XB(h)
- S(b);N_GUARD::S(I)
- S(b);N_GUARD::S(I),XS(b)
- S(b);N_GUARD,XQ(G)::S(I)
- Tries
- Try
- B(H);P_PINR(d),XS(b)
- Threat
- DUALS(2)
- Vars
- R(d);::S(I)
- S(a);::S(I)
- Refutation
- B(c);
- Try
- B(H);CHECK,P_PINR(d)
- Vars
- P(i);SBLOCK,XB(H)::S(I)
- Refutation
- K(e);N_SPINR(d),S_FLIGHT,XB(H)
- Try
- B(H);P_PINR(d),XP(i)
- Threat
- S(I)
- Vars
- S(b);N_GUARD,N_SPINR(d),XQ(G)::S(I)
- B(h);N_GUARD::S(E),XB(h)
- B(h);N_GUARD::S(E)
- Refutation
- B(c);
- Try
- R(C);
- Threat
- S(E)
- Vars
- B(c);N_GUARD,XS(E)::R(C)
- B(c);OGATE::P(D),XB(c)
- Refutation
- R(d);XS(E)
- Try
- Q(G);
- Threat
- S(E)
- Vars
- B(c);N_GUARD,XS(E)::R(C)
- Refutation
- R(d);XS(E)
- Try
- Q(G);
- Threat
- QAR1(G),XP(f)
- Vars
- B(h);XQ(G)::S(E),XB(h)
- R(d);::S(E)
- Refutation
- B(h);
- Try
- Q(G);
- Threat
- QAR1(G),XP(f)
- Vars
- R(d);XQ(G)::S(I),XR(d)
- B(h);N_GUARD::S(E)
- Refutation
- R(d);
- Try
- Q(G);
- Threat
- S(E)
- Vars
- B(c);N_GUARD,XS(E)::R(C)
- S(b);N_GUARD,XQ(G)::S(I)
- S(b);N_GUARD::S(I)
- Refutation
- R(d);XS(E)
- Try
- Q(G);
- Threat
- QAB(G)+S(E),DCHECK
- Vars
- R(d);N_GUARD,P_SPINR(d),XS(E)::S(I)
- B(c);N_GUARD,P_SPINB(c),XS(E)::R(C)
- B(h);::QAB(G)+S(E),DCHECK,XB(h)
- Refutation
- S(a);
- Try
- Actual
- Q(G);
- Threat
- S(E)
- Vars
- R(d);OGATE,XS(E)::QAR1(G),XP(f)
- B(c);N_GUARD,XS(E)::R(C)
- S(b);XQ(G)::S(I),XS(b)
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