MESON Chess Problem Database
Problem Display
PID: 247943 (4b3/2p2rQ1/pR2Rr2/N1kPBp2/p1Ppp3/K7/8/3N4 w - - 0 1)
Ryabtsev, Volodimir Grigorovich
Uralski Problemist, 2006
#2
9 + 10
SOLUTION
- SOUND
- Sets
- 1...Rxe6
- 2.Bxd4#
- 1...Rg6
- 2.Bxd4#
- 1...Rh6
- 2.Bxd4#
- 1...Rd7
- 2.Rbc6#
- 1...Re7
- 2.Qxe7#
- 1...Rf8
- 2.Qe7#
- 1...Bc6
- 2.Rbxc6#
- 1...cxb6
- 2.Bd6#
- 1...Rxe6
- Tries
- 1.Bxf6?
- threat
- 2.Bxd4#
- 1...Rxf6
- 2.Qe7#
- 1...d3
- 2.Bd4#
- 1...Rxg7!
- threat
- 1.Rb4?
- threat
- 2.Sb7#
- 1...c6
- 2.Bd6#
- 1...Bc6!
- threat
- 1.Qxf6?
- threat
- 2.Bxd4#
- 1...d3
- 2.Bd4#
- 1...Rxf6!
- threat
- 1.Qf8+?
- 1...Re7
- 2.Qxe7#
- 1...Rxf8!
- 1...Re7
- 1.Bxf6?
- Keys
- 1.Sb2!
- threat
- 2.Sb7#
- 1...Rxe6
- 2.Bxd4#
- 1...cxb6
- 2.Bd6#
- 1...Bc6
- 2.Rbxc6#
- 1...c6
- 2.Sxa4#
- threat
- 1.Sb2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 1
- REMOVED MATES = 5
- Sets
- R(g);XR(H)::B(F),XP(b)
- R(g);::B(F),XP(b)
- R(i);S_CUTB(j)::R1(G)
- R(i);OGATE::QAB(I),XR(i)
- R(i);OGATE::QAB(I)
- B(j);N_GUARD::R1(G),XB(j)
- P(h);N_GUARD,SBLOCK,XR(G)::B(F)
- Tries
- Try
- B(F);XR(g)
- Threat
- B(F),XP(b)
- Vars
- R(i);OGATE,XB(F)::QAB(I)
- P(b);::B(F)
- Refutation
- R(i);XQ(I)
- Try
- R(G);
- Threat
- S(D)
- Vars
- P(h);N_GUARD::B(F)
- Refutation
- B(j);
- Try
- Q(I);XR(g)
- Threat
- B(F),XP(b)
- Vars
- P(b);::B(F)
- Refutation
- R(i);XQ(I)
- Try
- Q(I);CHECK
- Vars
- R(i);N_GUARD,P_SPINR(i)::QAB(I),XR(i)
- Refutation
- R(i);XQ(I)
- Try
- Actual
- S(A);
- Threat
- S(D)
- Vars
- R(g);XR(H)::B(F),XP(b)
- P(h);N_GUARD,SBLOCK,XR(G)::B(F)
- B(j);N_GUARD::R1(G),XB(j)
- P(h);S_CUTB(j)::S(A),XP(a)
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