MESON Chess Problem Database
Problem Display
PID: 109056 (1N2N3/3r4/1B2p2p/Pk1pP1pP/5pR1/1K1p1B2/8/8 w - - 0 1)
Nasra, Gabriel G
Bulletin de la FFE, 1930
#2
9 + 8
| 6490 | yacpdb | 2009 |
SOLUTION
- SOUND
- Sets
- 1...Rd6
- 2.Sxd6#
- 2.Sc7#
- 1...Ra7
- 2.Sd6#
- 1...Rb7
- 2.Sd6#
- 1...Rc7
- 2.Sd6#
- 2.Sxc7#
- 1...Re7
- 2.Sd6#
- 1...Rf7
- 2.Sd6#
- 1...Rg7
- 2.Sd6#
- 1...Rh7
- 2.Sd6#
- 1...Rd8
- 2.Sc7#
- 1...d2
- 2.Be2#
- 1...d4
- 2.Bc6#
- 1...Rd6
- Tries
- 1.Bd1?
- 1...Rd6
- 2.Sxd6#
- 2.Sc7#
- 1...Ra7
- 2.Sd6#
- 1...Rb7
- 2.Sd6#
- 1...Rc7
- 2.Sd6#
- 2.Sxc7#
- 1...Re7
- 2.Sd6#
- 1...Rf7
- 2.Sd6#
- 1...Rg7
- 2.Sd6#
- 1...Rh7
- 2.Sd6#
- 1...Rd8
- 2.Sc7#
- 1...d2
- 2.Be2#
- 1...f3
- 2.Rb4#
- 1...d4!
- 1...Rd6
- 1.Bh1?
- 1...Rd6
- 2.Sxd6#
- 2.Sc7#
- 1...Ra7
- 2.Sd6#
- 1...Rb7
- 2.Sd6#
- 1...Rc7
- 2.Sd6#
- 2.Sxc7#
- 1...Re7
- 2.Sd6#
- 1...Rf7
- 2.Sd6#
- 1...Rg7
- 2.Sd6#
- 1...Rh7
- 2.Sd6#
- 1...Rd8
- 2.Sc7#
- 1...f3
- 2.Rb4#
- 1...d4
- 2.Bc6#
- 1...d2!
- 1...Rd6
- 1.Be2?
- threat
- 2.Bxd3#
- 1...Rc7
- 2.Sd6#
- 2.Sxc7#
- 1...dxe2!
- threat
- 1.Be4?
- threat
- 2.Bxd3#
- 1...Rc7
- 2.Sd6#
- 2.Sxc7#
- 1...d2
- 2.Bd3#
- 1...dxe4!
- threat
- 1.Bxd5?
- threat
- 2.Bc4#
- 2.Bc6#
- 1...Rxd5
- 2.Sc7#
- 1...Rd6
- 2.Sxd6#
- 2.Sc7#
- 2.Bc4#
- 1...Rc7
- 2.Sd6#
- 2.Sxc7#
- 1...exd5!
- threat
- 1.Rg1?
- 1...Rd6
- 2.Sxd6#
- 2.Sc7#
- 1...Ra7
- 2.Sd6#
- 1...Rb7
- 2.Sd6#
- 1...Rc7
- 2.Sd6#
- 2.Sxc7#
- 1...Re7
- 2.Sd6#
- 1...Rf7
- 2.Sd6#
- 1...Rg7
- 2.Sd6#
- 1...Rh7
- 2.Sd6#
- 1...Rd8
- 2.Sc7#
- 1...d2
- 2.Be2#
- 1...d4
- 2.Bc6#
- 1...g4!
- 1...Rd6
- 1.Rg2?
- 1...Rd6
- 2.Sxd6#
- 2.Sc7#
- 1...Ra7
- 2.Sd6#
- 1...Rb7
- 2.Sd6#
- 1...Rc7
- 2.Sd6#
- 2.Sxc7#
- 1...Re7
- 2.Sd6#
- 1...Rf7
- 2.Sd6#
- 1...Rg7
- 2.Sd6#
- 1...Rh7
- 2.Sd6#
- 1...Rd8
- 2.Sc7#
- 1...d2
- 2.Be2#
- 1...d4
- 2.Bc6#
- 1...g4!
- 1...Rd6
- 1.Rxf4?
- threat
- 2.Rb4#
- 1...d4
- 2.Bc6#
- 1...gxf4!
- threat
- 1.Rxg5?
- 1...Rd6
- 2.Sxd6#
- 2.Sc7#
- 1...Ra7
- 2.Sd6#
- 1...Rb7
- 2.Sd6#
- 1...Rc7
- 2.Sd6#
- 2.Sxc7#
- 1...Re7
- 2.Sd6#
- 1...Rf7
- 2.Sd6#
- 1...Rg7
- 2.Sd6#
- 1...Rh7
- 2.Sd6#
- 1...Rd8
- 2.Sc7#
- 1...d2
- 2.Be2#
- 1...d4
- 2.Bc6#
- 1...hxg5!
- 1...Rd6
- 1.Bd1?
- Keys
- 1.Bg2!
- 1...Rd6
- 2.Sxd6#
- 2.Sc7#
- 1...Ra7
- 2.Sd6#
- 1...Rb7
- 2.Sd6#
- 1...Rc7
- 2.Sd6#
- 2.Sxc7#
- 1...Re7
- 2.Sd6#
- 1...Rf7
- 2.Sd6#
- 1...Rg7
- 2.Sd6#
- 1...Rh7
- 2.Sd6#
- 1...Rd8
- 2.Sc7#
- 1...d2
- 2.Bf1#
- 1...f3
- 2.Rb4#
- 1...d4
- 2.Bc6#
- 1...Rd6
- 1.Bg2!
FEATURES
- Static
- TYPE = MUTATE
- CHANGED MATES = 1
- ADDED MATES = 1
- REMOVED MATES = 0
- Sets
- R(h);N_GUARD::S(I)
- P(a);OGATEB::B(B)
- P(d);OGATE::B(B)
- Tries
- Try
- B(B);
- Vars
- R(h);N_GUARD::S(I)
- P(a);OGATEB::B(B)
- P(b);OGATE::R1(C)
- Refutation
- P(d);
- Try
- B(B);
- Vars
- R(h);N_GUARD::S(I)
- P(b);OGATE::R1(C)
- P(d);OGATE::B(B)
- Refutation
- P(a);
- Try
- B(B);P_PINP(a)
- Threat
- B(B),XP(a)
- Refutation
- P(a);N_SPINP(a),XB(B)
- Try
- B(B);
- Threat
- B(B),XP(a)
- Vars
- P(a);::B(B)
- Refutation
- P(d);XB(B)
- Try
- B(B);XP(d)
- Threat
- DUALS(2)
- Vars
- R(h);N_GUARD,XB(B)::S(I)
- Refutation
- P(f);XB(B)
- Try
- R(C);
- Vars
- R(h);N_GUARD::S(I)
- P(a);OGATEB::B(B)
- P(d);OGATE::B(B)
- Refutation
- P(e);
- Try
- R(C);
- Vars
- R(h);N_GUARD::S(I)
- P(a);OGATEB::B(B)
- P(d);OGATE::B(B)
- Refutation
- P(e);
- Try
- R(C);XP(b)
- Threat
- R1(C)
- Vars
- P(d);OGATE::B(B)
- Refutation
- P(e);XR(C)
- Try
- R(C);XP(e)
- Vars
- R(h);N_GUARD::S(I)
- P(a);OGATEB::B(B)
- P(d);OGATE::B(B)
- Refutation
- P(g);XR(C)
- Try
- Actual
- B(B);
- Vars
- R(h);N_GUARD::S(I)
- P(a);OGATEB::B(B)
- P(b);OGATE::R1(C)
- P(d);OGATE::B(B)
Developed and maintained by Brian Stephenson.
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