MESON Chess Problem Database
Problem Display
PID: 102807 (8/n3p3/1NbQ4/R2pp1Pp/3b1kpK/1p1Bp3/1q2RP1N/6r1 w - - 0 1)
Murashev, Pavel Aleksandrovich
Die Schwalbe, 2008
#2
9 + 13
SOLUTION
- SOUND
- Sets
- 1...Rg3
- 2.fxg3#
- 1...Bc3
- 2.fxe3#
- 1...Ba4
- 2.Sxd5#
- 1...Bb5
- 2.Sxd5#
- 1...Bd7
- 2.Sxd5#
- 1...Be8
- 2.Sxd5#
- 1...e6
- 2.Qf8#
- 1...Rg3
- Tries
- 1.Qxe5+?
- 1...Bxe5
- 2.fxe3#
- 1...Kxe5!
- 1...Bxe5
- 1.Qxe7?
- threat
- 2.Qf6#
- 2.Qf8#
- 2.Qf7#
- 1...Qa3
- 2.Qf6#
- 2.Qf7#
- 1...Bc5
- 2.Qf6#
- 2.Qf7#
- 1...Bd7
- 2.Sxd5#
- 1...Be8
- 2.Sxd5#
- 2.Qf6#
- 1...e4!
- threat
- 1.Qb8?
- threat
- 2.Qf8#
- 1...Bd7
- 2.Sxd5#
- 1...Be8
- 2.Sxd5#
- 1...Sc8!
- threat
- 1.Qxd5?
- threat
- 2.Qf7#
- 1...Bxd5
- 2.Sxd5#
- 1...Bd7
- 2.Qe4#
- 1...Be8
- 2.Qe4#
- 1...e4
- 2.Qf5#
- 1...e6!
- threat
- 1.Qe6?
- threat
- 2.Qf5#
- 2.Qf7#
- 1...Bd7
- 2.Sxd5#
- 1...Be8
- 2.Sxd5#
- 2.Qf5#
- 1...e4!
- threat
- 1.Qg6?
- threat
- 2.Qf5#
- 2.Qf7#
- 1...Bd7
- 2.Sxd5#
- 1...Be8
- 2.Sxd5#
- 2.Qf5#
- 1...e6
- 2.Qf7#
- 2.Qf6#
- 1...e4!
- threat
- 1.Qh6?
- threat
- 2.Qf8#
- 2.g6#
- 1...Bd7
- 2.Sxd5#
- 2.g6#
- 1...Be8
- 2.Sxd5#
- 2.g6#
- 1...e4!
- threat
- 1.Qd7?
- threat
- 2.Qf5#
- 1...Bxd7
- 2.Sxd5#
- 1...e6
- 2.Qf7#
- 1...e4!
- threat
- 1.Qd8?
- threat
- 2.Qf8#
- 1...Bd7
- 2.Sxd5#
- 1...Be8
- 2.Sxd5#
- 1...e4!
- threat
- 1.Qxe5+?
- Keys
- 1.Ra4!
- threat
- 2.fxe3#
- 1...Qxe2
- 2.Rxd4#
- 1...Bxa4
- 2.Sxd5#
- 1...exf2
- 2.Qxe5#
- 1...Qc1
- 2.Rxd4#
- 1...Qd2
- 2.Rxd4#
- 1...Rg3
- 2.fxg3#
- threat
- 1.Ra4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 5
- Sets
- R(a);OGATE::P(B),XR(a)
- B(e);N_GUARD::P(B),XP(d)
- B(k);N_GUARD::S(H),XP(h)
- P(m);OGATE::QAR(I)
- Tries
- Try
- Q(I);CHECK,XP(i)
- Vars
- B(e);SBLOCK,XQ(I)::P(B),XP(d)
- Refutation
- K(f);P_SPINP(d),S_FLIGHT,XQ(I)
- Try
- Q(I);N_PINP(i),XP(m)
- Threat
- DUALS(3)
- Vars
- B(k);N_GUARD::S(H),XP(h)
- Refutation
- P(i);
- Try
- Q(I);
- Threat
- QAR(I)
- Vars
- B(k);N_GUARD::S(H),XP(h)
- Refutation
- S(l);
- Try
- Q(I);N_PINP(i),XP(h)
- Threat
- QAR(I)
- Vars
- B(k);XQ(I)::S(H),XB(k)
- B(k);N_GUARD::QAR1(I)
- P(i);OGATE::QAR1(I)
- Refutation
- P(m);
- Try
- Q(I);N_PINP(i)
- Threat
- DUALS(2)
- Vars
- B(k);N_GUARD::S(H),XP(h)
- Refutation
- P(i);
- Try
- Q(I);N_PINP(i)
- Threat
- DUALS(2)
- Vars
- B(k);N_GUARD::S(H),XP(h)
- Refutation
- P(i);
- Try
- Q(I);N_PINP(i)
- Threat
- DUALS(2)
- Refutation
- P(i);
- Try
- Q(I);N_PINP(i)
- Threat
- QAR1(I)
- Vars
- B(k);N_GUARD,XQ(I)::S(H),XP(h)
- P(m);OGATE::QAR(I)
- Refutation
- P(i);
- Try
- Q(I);N_PINP(i)
- Threat
- QAR(I)
- Vars
- B(k);N_GUARD::S(H),XP(h)
- Refutation
- P(i);
- Try
- Actual
- R(F);P_PINB(e)
- Threat
- P(B),XP(d)
- Vars
- Q(b);N_GUARD,XR(A)::R(F),XB(e)
- B(k);N_GUARD,N_SPINB(e),XR(F)::S(H),XP(h)
- P(d);XP(B)::QAB1(I),XP(i)
- Q(b);N_GUARD::R(F),XB(e)
- R(a);OGATE::P(B),XR(a)
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