MESON Chess Problem Database
Problem Display
PID: 2662 (1KNR4/P5bR/1Bkp2n1/1pPr1r2/4P3/2Qn3B/2N1b3/q7 w - - 0 1)
Sardotsch, Nicolo
Source?, 1883
#2
11 + 10
| 2794 | Terms & Themes of Chess Problems | 1907 |
| 16 | Chess Amateur (The) | 1910 |
SOLUTION
- SOUND
- Sets
- 1...Qb2
- 2.a8Q#
- 2.a8B#
- 1...Qxc3
- 2.a8Q#
- 2.a8B#
- 1...Qb1
- 2.a8Q#
- 2.a8B#
- 1...Qc1
- 2.a8Q#
- 2.a8B#
- 1...Qd1
- 2.a8Q#
- 2.a8B#
- 1...Qe1
- 2.a8Q#
- 2.a8B#
- 1...Qf1
- 2.a8Q#
- 2.a8B#
- 1...Qg1
- 2.a8Q#
- 2.a8B#
- 1...Qh1
- 2.a8Q#
- 2.a8B#
- 1...Qxa7+
- 2.Sxa7#
- 1...Rxc5
- 2.Rxd6#
- 1...Rde5
- 2.Sd4#
- 2.Rxd6#
- 1...Rf1
- 2.Bd7#
- 1...Rf2
- 2.Bd7#
- 1...Rf3
- 2.Bd7#
- 1...Rf4
- 2.Bd7#
- 1...Rfe5
- 2.Bd7#
- 1...Rg5
- 2.Bd7#
- 1...Rh5
- 2.Bd7#
- 1...Rf6
- 2.Bd7#
- 1...Rf8
- 2.Bd7#
- 1...Bxc3
- 2.Rc7#
- 1...Bd4
- 2.Rc7#
- 1...Be5
- 2.Rc7#
- 1...Bf6
- 2.Rc7#
- 1...Bh6
- 2.Rc7#
- 1...Bf8
- 2.Rc7#
- 1...Bh8
- 2.Rc7#
- 1...Sc1
- 2.Sb4#
- 1...Se1
- 2.Sb4#
- 1...Sb2
- 2.Sb4#
- 1...Sf2
- 2.Sb4#
- 1...Sb4
- 2.Sxb4#
- 1...Sdf4
- 2.Sb4#
- 1...Sxc5
- 2.Sb4#
- 1...Sde5
- 2.Sb4#
- 1...Sgf4
- 2.Se7#
- 1...Sh4
- 2.Se7#
- 1...Sge5
- 2.Se7#
- 1...Se7
- 2.Sxe7#
- 1...Sf8
- 2.Se7#
- 1...Sh8
- 2.Se7#
- 1...Qb2
- Tries
- 1.Sd4+?
- 1...Bxd4
- 2.Rc7#
- 1...Rxd4!
- 1...Bxd4
- 1.Bxf5?
- threat
- 2.Bd7#
- 1...Qxa7+
- 2.Sxa7#
- 1...Rxf5
- 2.Rxd6#
- 1...dxc5
- 2.exd5#
- 1...Sde5
- 2.Sb4#
- 1...Sge5
- 2.Se7#
- 1...Sf8
- 2.Se7#
- 1...Bg4!
- threat
- 1.Qxa1?
- threat
- 2.a8Q#
- 2.a8B#
- 1...Rxc5
- 2.Rxd6#
- 2.a8Q#
- 2.a8B#
- 1...Bxa1
- 2.Rc7#
- 2.a8Q#
- 2.a8B#
- 1...Sxc5
- 2.Sb4#
- 1...dxc5
- 2.a8Q#
- 2.a8B#
- 1...b4
- 2.Qa4#
- 1...Rd4
- 2.a8Q#
- 2.a8B#
- 1...Rde5
- 2.Sd4#
- 2.Rxd6#
- 2.a8Q#
- 2.a8B#
- 1...Rf1
- 2.Bd7#
- 2.a8Q#
- 2.a8B#
- 1...Rf2
- 2.Bd7#
- 2.a8Q#
- 2.a8B#
- 1...Rf3
- 2.Bd7#
- 2.a8Q#
- 2.a8B#
- 1...Rf4
- 2.Bd7#
- 2.a8Q#
- 2.a8B#
- 1...Rfe5
- 2.Bd7#
- 2.a8Q#
- 2.a8B#
- 1...Rg5
- 2.Bd7#
- 2.a8Q#
- 2.a8B#
- 1...Rh5
- 2.Bd7#
- 2.a8Q#
- 2.a8B#
- 1...Rf6
- 2.Bd7#
- 2.a8Q#
- 2.a8B#
- 1...Rf8
- 2.Bd7#
- 2.a8Q#
- 2.a8B#
- 1...Bd1
- 2.a8Q#
- 2.a8B#
- 1...Bf1
- 2.a8Q#
- 2.a8B#
- 1...Bf3
- 2.a8Q#
- 2.a8B#
- 1...Bg4
- 2.a8Q#
- 2.a8B#
- 1...Bh5
- 2.a8Q#
- 2.a8B#
- 1...Bb2
- 2.Rc7#
- 2.a8Q#
- 2.a8B#
- 1...Bc3
- 2.Rc7#
- 2.a8Q#
- 2.a8B#
- 1...Bd4
- 2.Rc7#
- 2.a8Q#
- 2.a8B#
- 1...Be5
- 2.Rc7#
- 2.a8Q#
- 2.a8B#
- 1...Bf6
- 2.Rc7#
- 2.a8Q#
- 2.a8B#
- 1...Bh6
- 2.Rc7#
- 2.a8Q#
- 2.a8B#
- 1...Bf8
- 2.Rc7#
- 2.a8Q#
- 2.a8B#
- 1...Bh8
- 2.Rc7#
- 2.a8Q#
- 2.a8B#
- 1...Sc1
- 2.Sb4#
- 2.a8Q#
- 2.a8B#
- 1...Se1
- 2.Sb4#
- 2.a8Q#
- 2.a8B#
- 1...Sb2
- 2.Sb4#
- 2.a8Q#
- 2.a8B#
- 1...Sf2
- 2.Sb4#
- 2.a8Q#
- 2.a8B#
- 1...Sb4
- 2.Sxb4#
- 2.a8Q#
- 2.a8B#
- 1...Sdf4
- 2.Sb4#
- 2.a8Q#
- 2.a8B#
- 1...Sde5
- 2.Sb4#
- 2.a8Q#
- 2.a8B#
- 1...Sgf4
- 2.Se7#
- 2.a8Q#
- 2.a8B#
- 1...Sh4
- 2.Se7#
- 2.a8Q#
- 2.a8B#
- 1...Sge5
- 2.Se7#
- 2.a8Q#
- 2.a8B#
- 1...Se7
- 2.Sxe7#
- 2.a8Q#
- 2.a8B#
- 1...Sf8
- 2.Se7#
- 2.a8Q#
- 2.a8B#
- 1...Sh8
- 2.Se7#
- 2.a8Q#
- 2.a8B#
- 1...Rf7!
- threat
- 1.exd5+?
- 1...Rxd5
- 2.Bd7#
- 1...Kxd5!
- 1...Rxd5
- 1.cxd6+?
- 1...Qxc3
- 2.a8Q#
- 2.a8B#
- 1...Bxc3
- 2.Rc7#
- 1...Sc5
- 2.Sb4#
- 1...Rc5!
- 1...Qxc3
- 1.Sd4+?
- Keys
- 1.Qe5!
- threat
- 2.Qe8#
- 2.exd5#
- 1...Qxa7+
- 2.Sxa7#
- 1...Qxe5
- 2.a8Q#
- 2.a8B#
- 1...Rxc5
- 2.Rxd6#
- 2.Qxd6#
- 2.Qe8#
- 1...Rdxe5
- 2.Rxd6#
- 1...Rfxe5
- 2.Bd7#
- 1...Bxe5
- 2.Rc7#
- 1...Sxc5
- 2.Sb4#
- 2.exd5#
- 1...Sdxe5
- 2.Sb4#
- 1...Sgxe5
- 2.Se7#
- 1...dxc5
- 2.Qc7#
- 2.exd5#
- 1...dxe5
- 2.exd5#
- 1...b4
- 2.Qe8#
- 1...Rf7
- 2.Qxd5#
- 2.exd5#
- 1...Qd4
- 2.Qe8#
- 2.a8Q#
- 2.a8B#
- 1...Qh1
- 2.Qe8#
- 2.a8Q#
- 2.a8B#
- 1...Qa2
- 2.Qe8#
- 1...Rd4
- 2.Qe8#
- 1...Rf8
- 2.Bd7#
- 2.Qxd5#
- 2.exd5#
- 1...Bf3
- 2.Qe8#
- 1...Sb4
- 2.Sxb4#
- 2.Qe8#
- 1...Sdf4
- 2.Sb4#
- 2.Qe8#
- 1...Sgf4
- 2.Se7#
- 2.Qe8#
- 1...Se7
- 2.Sxe7#
- 1...Sf8
- 2.Se7#
- 2.exd5#
- threat
- 1.Qe5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 6
- REMOVED MATES = 26
- Sets
- Q(a);N_GUARD::P=Q
- Q(a);N_GUARD,XQ(B)::P=Q
- Q(a);CHECK,XP(G)::S(J),XQ(a)
- R(e);N_GUARD,P_SPINR(e),XP(E)::R1(K),XP(h)
- R(f);OGATE::B(C)
- B(j);OGATE,XQ(B)::R1(H)
- B(j);OGATE::R1(H)
- S(c);N_GUARD::S(A)
- S(c);N_GUARD::S(A),XS(c)
- S(c);N_GUARD,P_SPINS(c),XP(E)::S(A)
- S(i);N_GUARD::S(J)
- S(i);N_GUARD::S(J),XS(i)
- Tries
- Try
- S(A);CHECK
- Vars
- B(j);OGATE,XS(A)::R1(H)
- Refutation
- R(e);XS(A)
- Try
- B(C);XR(f)
- Threat
- B(C)
- Vars
- Q(a);CHECK,XP(G)::S(J),XQ(a)
- R(e);N_GUARD,XB(C)::R1(K),XP(h)
- P(h);P_SPINP(h),XP(E)::P(D),XR(e)
- S(c);N_GUARD::S(A)
- S(i);N_GUARD::S(J)
- Refutation
- B(b);
- Try
- Q(B);XQ(a)
- Threat
- P=Q
- Vars
- S(c);N_GUARD,XP(E)::S(A)
- P(h);XP(E)::P=Q
- P(d);OGATEB::QAB(B)
- R(e);::P=Q
- B(b);::P=Q
- Refutation
- R(f);
- Try
- P(D);CHECK,XR(e)
- Vars
- R(f);OGATE,SBLOCK,XP(D)::B(C)
- Refutation
- K(g);P_SPINP(h),S_FLIGHT,XP(D)
- Try
- P(E);CHECK,XP(h)
- Vars
- Q(a);XQ(B)::P=Q
- B(j);OGATE,XQ(B)::R1(H)
- S(c);P_SPINS(c)::S(A)
- Refutation
- R(e);P_SPINR(e)
- Try
- Actual
- Q(B);
- Threat
- DUALS(2)
- Vars
- Q(a);CHECK,XP(G)::S(J),XQ(a)
- Q(a);N_GUARD,XQ(B)::P=Q
- R(e);N_GUARD,XQ(B)::R1(K),XP(h)
- R(f);OGATE,XQ(B)::B(C)
- B(j);OGATE,XQ(B)::R1(H)
- S(c);N_GUARD,XQ(B)::S(A)
- S(i);N_GUARD,XQ(B)::S(J)
- P(h);XQ(B)::P(D),XR(e)
- P(d);::QAB(B)
- Q(a);::QAB(B)
- R(e);::QAB(B)
- B(b);::QAB(B)
- S(i);N_GUARD::S(J),XS(i)
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