MESON Chess Problem Database
Problem Display
PID: 135775 (3N4/2KP1pP1/b3N1B1/R1nkp1pR/5pP1/1P6/2r3P1/1Q2n1B1 w - - 0 1)
Navon, Emanuel
Witztum, Menachem
4th Place, Match: Israel - Serbia, 2008-2009
#2
13 + 9
| 721 | Variantim | 2009 |
| 56 | The Problemist | 2011 |
SOLUTION
- SOUND
- Sets
- 1...Rc1
- 2.Be4#
- 2.Qe4#
- 1...Ra2
- 2.Be4#
- 2.Rxc5#
- 2.Qe4#
- 1...Rb2
- 2.Be4#
- 2.Rxc5#
- 2.Qe4#
- 1...Rd2
- 2.Be4#
- 2.Rxc5#
- 2.Qe4#
- 1...Re2
- 2.Rxc5#
- 1...Rf2
- 2.Be4#
- 2.Rxc5#
- 2.Qe4#
- 1...Rxg2
- 2.Be4#
- 2.Rxc5#
- 2.Qe4#
- 1...Rc3
- 2.Be4#
- 2.Qe4#
- 1...Bc4
- 2.Rxc5#
- 1...Rc1
- Tries
- 1.Sxc5?
- threat
- 2.Be4#
- 2.Bxf7#
- 1...Rxc5+
- 2.Rxc5#
- 1...fxg6
- 2.g8Q#
- 2.g8B#
- 1...Rf2
- 2.Qe4#
- 1...Re2
- 2.Sxa6#
- 2.Bxf7#
- 1...Rc4
- 2.Bxf7#
- 1...Bd3
- 2.Bxf7#
- 1...f5
- 2.Bf7#
- 2.g8Q#
- 2.g8B#
- 1...f6
- 2.Be4#
- 2.Bf7#
- 2.g8Q#
- 2.g8B#
- 1...e4!
- threat
- 1.Sxg5?
- threat
- 2.Be4#
- 2.Bxf7#
- 1...fxg6
- 2.g8Q#
- 2.g8B#
- 1...Rf2
- 2.Qe4#
- 1...e4
- 2.Sgxf7#
- 1...Re2
- 2.Bxf7#
- 2.Rxc5#
- 1...Rc4
- 2.Bxf7#
- 1...Bd3
- 2.Bxf7#
- 1...f5
- 2.Bf7#
- 2.g8Q#
- 2.g8B#
- 1...f6
- 2.Be4#
- 2.Bf7#
- 2.g8Q#
- 2.g8B#
- 1...Bb5!
- threat
- 1.Qxc2?
- threat
- 2.Be4#
- 2.Rxc5#
- 2.Qe4#
- 2.Qxc5#
- 1...Sxc2
- 2.Rxc5#
- 1...fxg6
- 2.Rxc5#
- 1...e4
- 2.Rxc5#
- 2.Qxe4#
- 2.Qxc5#
- 1...Bd3
- 2.Rxc5#
- 2.Qxc5#
- 1...Bc4
- 2.Be4#
- 2.Rxc5#
- 2.Qe4#
- 2.Qxc4#
- 2.bxc4#
- 1...Bb5
- 2.Qxc5#
- 1...f5
- 2.Rxc5#
- 1...Sd3!
- threat
- 1.g8S?
- threat
- 2.Sf6#
- 2.Se7#
- 1...fxg6
- 2.Sf6#
- 1...f5
- 2.Sf6#
- 1...f6
- 2.Sxf6#
- 2.Se7#
- 1...e4!
- threat
- 1.Sxc5?
- Keys
- 1.Bxf7!
- threat
- 2.Sxc5#
- 2.Sxg5#
- 1...Ke4
- 2.Sxc5#
- 1...Rf2
- 2.Rxc5#
- 1...Bb5
- 2.Sxc5#
- 1...e4
- 2.Rxg5#
- threat
- 1.Bxf7!
There are these versions: 135784
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 2
- Sets
- R(b);N_GUARD::R1(F),XS(d)
- B(h);S_CUTR(b)::R1(F),XS(d)
- Tries
- Try
- S(H);P_SPINS(H),XS(d)
- Threat
- DUALS(2)
- Vars
- R(b);CHECK,OGATE,P_SPINR(b),XS(H)::R1(F),XR(b)
- P(i);XB(I)::P=Q
- R(b);N_PINS(H),OGATE::QAB1(A)
- R(b);::B(I),XP(i)
- B(h);::B(I),XP(i)
- Refutation
- P(f);P_SPINP(g)
- Try
- S(H);XP(g)
- Threat
- DUALS(2)
- Vars
- P(i);XB(I)::P=Q
- R(b);OGATE::QAB1(A)
- P(f);::R(G)+S(H),XP(i)
- R(b);::B(I),XP(i)
- B(h);::B(I),XP(i)
- Refutation
- B(h);N_SPINS(d)
- Try
- Q(A);XR(b)
- Threat
- DUALS(4)
- Vars
- S(a);XQ(A)::R1(F),XS(d)
- P(i);XB(I)::R1(F),XS(d)
- B(h);N_SPINS(d)::QAR1(A),XS(d)
- P(i);::R1(F),XS(d)
- Refutation
- S(a);
- Try
- P(L);
- Threat
- DUALS(2)
- Vars
- P(i);XB(I)::S(L)
- P(i);::S(L)
- Refutation
- P(f);P_SPINP(g)
- Try
- Actual
- B(I);XP(i)
- Threat
- DUALS(2)
- Vars
- K(e);N_SPINS(d),P_SPINR(b),S_FLIGHT::S(H),XS(d)
- R(b);N_GUARD::R1(F),XS(d)
- B(h);N_SPINS(d)::B(I)+S(H),XS(d)
- P(f);OGATEB,P_SPINP(g),SBLOCK::R(G),XP(g)
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