MESON Chess Problem Database
Problem Display
PID: 2357 (3Rr3/1p3r2/p2pN1p1/n2k1B2/7B/bN5n/2R1Q3/5K1b w - - 0 1)
Gilberg, Charles Alexander
Source?, 0000
#2
8 + 11
| 1679 | American Chess Nuts | 1868 |
SOLUTION
- SOUND
- Sets
- 1...Rf6
- 2.Sc7#
- 1...Rc7
- 2.Sxc7#
- 1...Rff8
- 2.Sc7#
- 1...Rxe6
- 2.Qxe6#
- 1...Be4
- 2.Qxe4#
- 1...Bc1
- 2.Rc5#
- 1...Bb2
- 2.Rc5#
- 1...Bc5
- 2.Rxc5#
- 1...Sg1
- 2.Sf4#
- 1...Sf2
- 2.Sf4#
- 1...Sf4
- 2.Sxf4#
- 1...Sg5
- 2.Sf4#
- 1...Rf6
- Tries
- 1.Bg3?
- threat
- 2.Qd1#
- 2.Qd3#
- 2.Qd2#
- 2.Qe5#
- 1...Bg2+
- 2.Qxg2#
- 1...Rxe6
- 2.Qd1#
- 2.Qd3#
- 2.Qd2#
- 2.Qxe6#
- 1...Rxd8
- 2.Qd1#
- 2.Qd3#
- 2.Qd2#
- 1...Sxb3
- 2.Qc4#
- 2.Qe5#
- 1...gxf5
- 2.Qe5#
- 1...Bc5
- 2.Rxc5#
- 1...Sc4
- 2.Qxc4#
- 1...Rd7
- 2.Qd1#
- 2.Qd3#
- 2.Qd2#
- 1...Bf3
- 2.Qd3#
- 2.Qxf3#
- 2.Qd2#
- 2.Qe5#
- 1...Be4
- 2.Qxe4#
- 1...Bc1
- 2.Rc5#
- 2.Rxd6#
- 2.Qd3#
- 2.Qe5#
- 1...Bb2
- 2.Rc5#
- 2.Rxd6#
- 1...Bb4
- 2.Qd3#
- 2.Qe5#
- 1...Sf2
- 2.Sf4#
- 2.Qe5#
- 1...Sf4
- 2.Sxf4#
- 1...Sc6
- 2.Qc4#
- 1...Rxf5+!
- threat
- 1.Qf3+?
- 1...Ke5
- 2.Re2#
- 1...Bxf3!
- 1...Ke5
- 1.Qb5+?
- 1...Bc5
- 2.Rxc5#
- 2.Qxc5#
- 1...axb5!
- 1...Bc5
- 1.Bg3?
- Keys
- 1.Bf6!
- threat
- 2.Qd1#
- 2.Qd3#
- 2.Qd2#
- 2.Qe5#
- 1...Bg2+
- 2.Qxg2#
- 1...Rxf6
- 2.Sc7#
- 1...Rxe6
- 2.Bxe6#
- 2.Qd1#
- 2.Qd3#
- 2.Qd2#
- 2.Qxe6#
- 1...Rxd8
- 2.Qd1#
- 2.Qd3#
- 2.Qd2#
- 1...Sxb3
- 2.Qc4#
- 2.Qe5#
- 1...gxf5
- 2.Qe5#
- 1...Bc5
- 2.Rxc5#
- 1...Sc4
- 2.Qxc4#
- 1...Rd7
- 2.Qd1#
- 2.Qd3#
- 2.Qd2#
- 1...Bf3
- 2.Qd3#
- 2.Qxf3#
- 2.Qd2#
- 2.Qe5#
- 1...Be4
- 2.Qxe4#
- 1...Bc1
- 2.Rc5#
- 2.Qd3#
- 2.Qe5#
- 1...Bb2
- 2.Rc5#
- 1...Bb4
- 2.Qd3#
- 2.Qe5#
- 1...Sf2
- 2.Sf4#
- 2.Qe5#
- 1...Sf4
- 2.Sxf4#
- 2.Qe5#
- 1...Sc6
- 2.Qc4#
- threat
- 1.Bf6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 4
- REMOVED MATES = 8
- Sets
- R(j);N_GUARD::S(G)
- R(j);N_GUARD,N_PINB(F)::S(G),XR(j)
- R(k);OGATE,XS(G)::QAB1(C),XR(k)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(b);N_GUARD::R1(B)
- B(b);N_GUARD::R1(B),XB(b)
- S(c);N_GUARD::S(G)
- S(c);N_GUARD,N_PINB(F)::S(G)
- S(c);N_GUARD,N_PINB(F)::S(G),XS(c)
- Tries
- Try
- B(E);
- Threat
- DUALS(4)
- Vars
- B(a);CHECK,N_GUARD::QAB(C),XB(a)
- P(h);XB(F)::QAR1(C)
- B(b);N_GUARD::R1(B),XB(b)
- S(d);N_GUARD::QAB1(C),XS(d)
- B(a);N_GUARD::QAB1(C),XB(a)
- S(c);N_GUARD,N_PINB(F)::S(G),XS(c)
- S(d);N_GUARD::QAB1(C)
- Refutation
- R(j);CHECK,XB(F)
- Try
- Q(C);CHECK,N_SPINB(F)
- Vars
- K(e);N_SPINP(g),P-FLIGHT::R(B)
- Refutation
- B(a);XQ(C)
- Try
- Q(C);CHECK
- Refutation
- P(f);XQ(C)
- Try
- Actual
- B(E);N_SPINB(F)
- Threat
- DUALS(4)
- Vars
- B(a);CHECK,N_GUARD::QAB(C),XB(a)
- R(j);N_GUARD,P_PINB(F),XB(E)::S(G)
- P(h);XB(F)::QAR1(C)
- B(b);N_GUARD::R1(B),XB(b)
- S(d);N_GUARD::QAB1(C),XS(d)
- B(a);N_GUARD::QAB1(C),XB(a)
- B(b);N_GUARD::R1(B)
- S(d);N_GUARD::QAB1(C)
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