MESON Chess Problem Database
Problem Display
PID: 149466 (3r1b2/BBR5/P1RNPp2/3kr3/1PpNn1Q1/K4n2/3p4/3b4 w - - 0 1)
Shanshin, Valery Yurevich
2nd Place, Volga-Volga, 2003
#2
11 + 10
| 15174 | FIDE Album (2001-2003) | 2011 |
| 56 | The Problemist | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Rf5
- 2.Qxe4#
- 1...Rg5
- 2.Qxe4#
- 1...Rh5
- 2.Qxe4#
- 1...Rxe6
- 2.Qxe6#
- 1...Bxd6
- 2.Rxc4#
- 1...Sf2
- 2.Rb6#
- 1...Sc3
- 2.Rb6#
- 1...Sg3
- 2.Rb6#
- 1...Sg5
- 2.Rb6#
- 1...Sxd6
- 2.Rc5#
- 1...Rf5
- Tries
- 1.S4b5?
- threat
- 2.Rxc4#
- 2.Rc5#
- 2.Rb6#
- 1...Rxe6
- 2.Rc5#
- 1...Rxd6
- 2.Rc5#
- 2.Rxd6#
- 1...Sxd6
- 2.Sc3#
- 2.Rc5#
- 2.Rxd6#
- 1...Rf5
- 2.Qxe4#
- 1...Rg5
- 2.Rc5#
- 2.Qxe4#
- 1...Rh5
- 2.Rc5#
- 2.Qxe4#
- 1...Rb8
- 2.Rc5#
- 1...Sd4
- 2.Rc5#
- 1...Sc5
- 2.Sc3#
- 2.Rxc5#
- 2.Qxc4#
- 1...c3
- 2.Rxc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rb6#
- 1...f5!
- threat
- 1.S6b5?
- threat
- 2.Rxc4#
- 2.Rc5#
- 2.Rb6#
- 2.Rd6#
- 1...Rxe6
- 2.Rc5#
- 2.Rxe6#
- 2.Qxe6#
- 1...Sxd4
- 2.Rc5#
- 2.Rd6#
- 1...Rf5
- 2.Rc5#
- 1...Rg5
- 2.Rc5#
- 1...Rh5
- 2.Rc5#
- 1...Rd6
- 2.Rc5#
- 2.Rxd6#
- 1...Rb8
- 2.Rc5#
- 2.Rd6#
- 1...Bc5
- 2.Rxc5#
- 2.Rb6#
- 2.Rd6#
- 1...Bd6
- 2.Rxc4#
- 2.Rc5#
- 2.Rb6#
- 2.Rxd6#
- 1...Sc5
- 2.Sc3#
- 2.Rxc5#
- 2.Rd6#
- 1...Sd6
- 2.Sc3#
- 2.Rc5#
- 2.Rxd6#
- 1...c3
- 2.Rxc3#
- 2.Rc4#
- 2.Rc5#
- 2.Rb6#
- 2.Rd6#
- 1...Bxb4+!
- threat
- 1.Sf7?
- threat
- 2.Rxc4#
- 2.Rd6#
- 1...Rxe6
- 2.Rd6#
- 2.Rxe6#
- 2.Qxe6#
- 1...Sxd4
- 2.Rc5#
- 2.Rd6#
- 1...Bc5
- 2.Rd6#
- 1...Rd6
- 2.Rxd6#
- 1...Rb8
- 2.Rd6#
- 1...Ba4
- 2.Rd6#
- 1...Bd6
- 2.Rxc4#
- 2.Rxd6#
- 1...Sc5
- 2.Rxc5#
- 2.Rd6#
- 1...Sd6
- 2.Rc5#
- 2.Rxd6#
- 1...c3
- 2.Rxc3#
- 2.Rc4#
- 2.Rd6#
- 1...Bxb4+!
- threat
- 1.Rc5+?
- 1...Kxd6
- 2.Sb5#
- 1...Kxd4!
- 1...Kxd6
- 1.S4b5?
- Keys
- 1.S4f5!
- threat
- 2.Se3#
- 1...Kxe6
- 2.Qg8#
- 1...Rxf5
- 2.Qxe4#
- 1...Rxe6
- 2.Rc5#
- 1...Sxd6
- 2.Rxd6#
- 1...Bh6
- 2.Se7#
- 1...Sf2
- 2.Qxc4#
- 1...Sc3
- 2.Qxc4#
- 1...Sg3
- 2.Qxc4#
- 1...Sc5
- 2.Qxc4#
- 1...Seg5
- 2.Qxc4#
- threat
- 1.S4f5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 6
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(g);N_GUARD::QAB1(D),XS(e)
- R(g);OGATE,XP(H)::QAB1(D),XR(g)
- B(j);P_PINP(B),SBLOCK,XS(G)::B(J)+R(F),XP(d)
- S(e);::B(J)+R(F)
- S(e);SBLOCK,XS(G)::B(J)+R(F),DCHECK
- Tries
- Try
- S(C);
- Threat
- DUALS(3)
- Vars
- R(g);XP(H)::B(J)+R(F),DCHECK
- R(g);N_GUARD::QAB1(D),XS(e)
- R(i);::B(J)+R(F),DCHECK
- S(c);::B(J)+R(F),DCHECK
- Refutation
- P(h);
- Try
- S(G);P_SPINP(B)
- Threat
- DUALS(4)
- Vars
- R(g);::B(J)+R(F),DCHECK
- Refutation
- B(j);CHECK,XP(B)
- Try
- S(G);P_SPINP(B)
- Threat
- DUALS(2)
- Vars
- B(j);::B(J)+R(F),DCHECK
- R(i);N_PINP(B)::B(J)+R(F),DCHECK,XR(i)
- R(i);::B(J)+R(F),DCHECK
- B(a);::B(J)+R(F),DCHECK
- Refutation
- B(j);CHECK,XP(B)
- Try
- R(F);CHECK
- Vars
- K(f);P-FLIGHT,XS(G)::S(C)
- Refutation
- K(f);P-FLIGHT,P_SPINS(e),XS(C)
- Try
- Actual
- S(C);
- Threat
- S(C)
- Vars
- K(f);OGATEB,S_FLIGHT,XP(H)::QAB(D)
- R(g);N_GUARD,XS(C)::QAB1(D),XS(e)
- R(g);SBLOCK,XP(H)::B(J)+R(F),DCHECK
- S(e);OGATE,XS(G)::B(J)+R(F),DCHECK,XS(e)
- B(j);N_GUARD::S(C)
- S(e);OGATE::QAB1(D),XP(d)
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