MESON Chess Problem Database
Problem Display
PID: 143216 (4B1K1/1n4p1/2QrpPRP/3pPkN1/4p1pP/4Pp2/1B3P2/8 w - - 0 1)
Janevski, Zivko
The Problemist, 2011
#2
12 + 9
SOLUTION
- SOUND
- Sets
- 1...Rd7
- 2.Qxe6#
- 1...Rd8
- 2.Qxe6#
- 1...d4
- 2.Qxe4#
- 1...gxf6
- 2.Rxf6#
- 1...Rd7
- Tries
- 1.Sxf3?
- threat
- 2.Rg5#
- 1...exf3
- 2.Qc2#
- 1...gxf6
- 2.Rxf6#
- 1...gxh6!
- threat
- 1.Sh3?
- threat
- 2.Rg5#
- 1...gxf6
- 2.Rxf6#
- 1...gxh6!
- threat
- 1.Sxe6?
- threat
- 2.Sxg7#
- 1...Kxe6
- 2.Bd7#
- 1...Rxe6
- 2.Rg5#
- 1...gxf6
- 2.Sg7#
- 2.Rxf6#
- 1...gxh6
- 2.Sg7#
- 1...Rd7
- 2.Rg5#
- 1...d4!
- threat
- 1.Sf7?
- threat
- 2.Rg5#
- 1...gxf6
- 2.Rxf6#
- 1...gxh6
- 2.Sxh6#
- 1...Kxg6!
- threat
- 1.Sh7?
- threat
- 2.Rg5#
- 1...gxf6
- 2.Rxf6#
- 1...gxh6!
- threat
- 1.Rxg7?
- threat
- 2.Bg6#
- 1...d4
- 2.Qxe4#
- 1...Rd8
- 2.Qxe6#
- 1...g3!
- threat
- 1.fxg7?
- threat
- 2.Rf6#
- 1...d4
- 2.Qxe4#
- 1...g3!
- threat
- 1.Sxf3?
- Keys
- 1.Sxe4!
- threat
- 2.Sg3#
- 1...Kxe4
- 2.Qc2#
- 1...dxe4
- 2.Rg5#
- 1...g3
- 2.Sxg3#
- 1...d4
- 2.Rg5#
- threat
- 1.Sxe4!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(f);OGATE::QAB1(G),XP(g)
- R(f);OGATE,P_PINB(K)::QAB1(G),XP(g)
- P(d);OGATE::QAB1(G),XP(b)
- P(i);OGATE,XP(H)::R1(I),XP(i)
- Tries
- Try
- S(F);XP(a)
- Threat
- R1(I)
- Vars
- P(b);OGATEB,XS(F)::QAB(G)
- P(i);OGATE,XP(H)::R1(I),XP(i)
- Refutation
- P(i);XP(J)
- Try
- S(F);
- Threat
- R1(I)
- Vars
- P(i);OGATE,XP(H)::R1(I),XP(i)
- Refutation
- P(i);XP(J)
- Try
- S(F);XP(g)
- Threat
- S(F),XP(i)
- Vars
- K(e);OGATEB,P_SPINR(f),S_FLIGHT,XS(F)::B(K)
- R(f);XS(F)::R1(I)
- P(i);XP(J)::S(F)
- R(f);::R1(I)
- Refutation
- P(d);
- Try
- S(F);
- Threat
- R1(I)
- Vars
- P(i);OGATE,XP(H)::R1(I),XP(i)
- P(i);XP(J)::S(F),XP(i)
- Refutation
- K(e);S_FLIGHT,XR(I)
- Try
- S(F);
- Threat
- R1(I)
- Vars
- P(i);OGATE,XP(H)::R1(I),XP(i)
- Refutation
- P(i);XP(J)
- Try
- R(I);XP(i)
- Threat
- B(K)
- Vars
- P(d);OGATE::QAB1(G),XP(b)
- R(f);OGATE,P_PINB(K)::QAB1(G),XP(g)
- Refutation
- P(c);
- Try
- P(H);XP(i)
- Threat
- R1(I)
- Vars
- P(d);OGATE::QAB1(G),XP(b)
- Refutation
- P(c);
- Try
- Actual
- S(F);XP(b)
- Threat
- S(F)
- Vars
- K(e);OGATEB,P_SPINP(d),S_FLIGHT,XS(F)::QAB(G)
- P(d);XS(F)::R1(I)
- P(c);::S(F),XP(c)
- P(d);::R1(I)
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