MESON Chess Problem Database
Problem Display
PID: 134262 (n1N5/4RPb1/N1k4r/3n1pPp/1R2Q2K/1P1p3B/2r5/8 w - - 0 1)
Svitek, Miroslav
Comm., The Problemist, 2009
#2
10 + 9
| 56 | The Problemist | 2010 |
| 3485 | Sachova skladba | 2012 |
SOLUTION
- SOUND
- Sets
- 1...Ra2
- 2.Qc4#
- 1...Rb2
- 2.Qc4#
- 1...Rd2
- 2.Qc4#
- 1...Re2
- 2.Qc4#
- 1...Rf2
- 2.Qc4#
- 1...Rg2
- 2.Qc4#
- 1...Rh2
- 2.Qc4#
- 1...Rc4
- 2.Qxc4#
- 1...Rc5
- 2.Sb8#
- 1...Rd6
- 2.Sa7#
- 1...Re6
- 2.Qxe6#
- 1...Rh7
- 2.Qe6#
- 1...Rh8
- 2.Qe6#
- 1...Bc3
- 2.Qc4#
- 1...Bf6
- 2.Qe6#
- 1...Sb6
- 2.Rxb6#
- 2.Rc7#
- 1...Sc7
- 2.Rb6#
- 2.Rxc7#
- 1...fxe4
- 2.Bd7#
- 1...f4
- 2.Bd7#
- 1...Ra2
- Tries
- 1.Bg2?
- threat
- 2.Qxd5#
- 1...Rxg2
- 2.Qc4#
- 1...Rc4
- 2.Qxc4#
- 1...Rc5
- 2.Sb8#
- 1...Rd6
- 2.Sa7#
- 1...Sb6
- 2.Rxb6#
- 2.Rc7#
- 1...Sc7
- 2.Rb6#
- 2.Rxc7#
- 1...fxe4!
- threat
- 1.Bxf5?
- threat
- 2.Bd7#
- 1...Rd6
- 2.Sa7#
- 1...Re6
- 2.Qxe6#
- 1...Sb6
- 2.Rxb6#
- 2.Rc7#
- 1...Rh2+!
- threat
- 1.Rc4+?
- 1...Rxc4
- 2.Qxc4#
- 1...Kb5!
- 1...Rxc4
- 1.Rb8?
- threat
- 2.Qa4#
- 1...fxe4
- 2.Bd7#
- 1...Sb6
- 2.Rxb6#
- 1...Ra2
- 2.Qc4#
- 1...Rc4
- 2.Qxc4#
- 1...Rc5
- 2.Sb4#
- 1...Sc7
- 2.Rxc7#
- 2.Rb6#
- 1...Bd4!
- threat
- 1.Re6+?
- 1...Rxe6
- 2.Qxe6#
- 1...Kd7!
- 1...Rxe6
- 1.Ra7?
- threat
- 2.Qe8#
- 1...fxe4
- 2.Bd7#
- 1...Sc7
- 2.Rxc7#
- 1...Re2
- 2.Qc4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd6
- 2.Se7#
- 1...Re6
- 2.Qxe6#
- 1...Rh8
- 2.Qe6#
- 1...Sb6
- 2.Rxb6#
- 2.Rc7#
- 1...Be5!
- threat
- 1.Reb7?
- threat
- 2.Qe8#
- 1...fxe4
- 2.Bd7#
- 1...Sb6
- 2.R4xb6#
- 2.Rc7#
- 1...Sc7
- 2.Rxc7#
- 1...Re2
- 2.Qc4#
- 1...Rc4
- 2.Qxc4#
- 1...Rd6
- 2.Sa7#
- 2.Se7#
- 1...Re6
- 2.Qxe6#
- 1...Rh8
- 2.Qe6#
- 1...Be5!
- threat
- 1.Rd7?
- threat
- 2.Qxd5#
- 1...Kxd7
- 2.Qe8#
- 1...fxe4
- 2.Sa7#
- 1...Rc5
- 2.Sb8#
- 1...Rd6
- 2.Rxd6#
- 1...Sb6
- 2.Rc7#
- 1...Sc7
- 2.Rxc7#
- 1...Rc4!
- threat
- 1.Qxd3?
- threat
- 2.Qb5#
- 1...Rc4+
- 2.Qxc4#
- 1...Sxb4
- 2.Qd7#
- 1...Rc5
- 2.Sb8#
- 1...Sc3
- 2.Sa7#
- 2.Qc4#
- 2.Qd7#
- 1...Sdc7
- 2.Sa7#
- 2.Qd7#
- 1...Sac7!
- threat
- 1.f8Q?
- threat
- 2.Qe8#
- 1...Rd6
- 2.Sa7#
- 1...Rh8
- 2.Qe6#
- 1...Sb6
- 2.Rxb6#
- 2.Rc7#
- 1...Sc7
- 2.Rb6#
- 2.Rxc7#
- 1...Bxf8!
- threat
- 1.Bg2?
- Keys
- 1.Rb5!
- threat
- 2.Qxd5#
- 1...Kxb5
- 2.Qa4#
- 1...fxe4
- 2.Bd7#
- 1...Rc4
- 2.Qxc4#
- 1...Rc5
- 2.Rxc5#
- 1...Rd6
- 2.Sa7#
- 1...Sb6
- 2.Rxb6#
- 1...Sc7
- 2.Rb6#
- threat
- 1.Rb5!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 1
- ADDED MATES = 3
- REMOVED MATES = 13
- Sets
- R(a);N_GUARD::QAR2(D)
- R(a);N_GUARD,P_PINB(B)::QAR2(D)
- R(a);N_GUARD,P_PINQ(D)::QAR2(D),XR(a)
- R(a);SBLOCK::S(G)
- R(g);SBLOCK::S(J)
- R(g);N_GUARD::QAR2(D),XR(g)
- R(g);N_GUARD::QAR2(D)
- B(h);S_CUTR(a)::QAR2(D)
- B(h);P_PINP(F),S_CUTR(g)::QAR2(D)
- P(d);N_SPINS(c),OGATE,XQ(D)::B(B)
- P(d);OGATE::B(B)
- Tries
- Try
- B(B);
- Threat
- QAB1(D),XS(c)
- Vars
- R(a);N_GUARD,XB(B)::QAR2(D)
- R(a);N_GUARD,P_PINQ(D)::QAR2(D),XR(a)
- R(a);SBLOCK::S(G)
- R(g);SBLOCK::S(J)
- Refutation
- P(d);N_SPINS(c),XQ(D)
- Try
- B(B);XP(d)
- Threat
- B(B)
- Vars
- R(g);SBLOCK::S(J)
- R(g);N_GUARD::QAR2(D),XR(g)
- Refutation
- R(a);CHECK
- Try
- R(C);CHECK
- Vars
- R(a);OGATE,P_PINQ(D),XR(C)::QAR2(D),XR(a)
- Refutation
- K(f);N_SPINS(c),S_FLIGHT
- Try
- R(C);
- Threat
- QAB(D)
- Vars
- P(d);N_SPINS(c),OGATE,XQ(D)::B(B)
- S(i);N_GUARD::R1(C),XS(i)
- R(a);N_GUARD::QAR2(D)
- R(a);N_GUARD,P_PINQ(D)::QAR2(D),XR(a)
- R(a);SBLOCK::S(G)
- Refutation
- B(h);
- Try
- R(H);CHECK
- Vars
- R(g);OGATE,XR(H)::QAR2(D),XR(g)
- Refutation
- K(f);N_SPINS(c),S_FLIGHT
- Try
- R(H);
- Threat
- QAB(D)
- Vars
- P(d);N_SPINS(c),OGATE,XQ(D)::B(B)
- S(i);N_GUARD::R1(H),XS(i)
- R(a);N_GUARD::QAR2(D)
- R(a);N_GUARD,P_PINQ(D)::QAR2(D),XR(a)
- R(g);SBLOCK::S(J)
- R(g);N_GUARD::QAR2(D),XR(g)
- R(g);N_GUARD::QAR2(D)
- Refutation
- B(h);
- Try
- R(H);
- Threat
- QAB(D)
- Vars
- P(d);N_SPINS(c),OGATE,XQ(D)::B(B)
- S(i);N_GUARD::R1(H),XS(i)
- R(a);N_GUARD::QAR2(D)
- R(a);N_GUARD,P_PINQ(D)::QAR2(D),XR(a)
- R(g);N_GUARD::QAR2(D),XR(g)
- R(g);N_GUARD::QAR2(D)
- Refutation
- B(h);
- Try
- R(H);
- Threat
- QAB1(D),XS(c)
- Vars
- K(f);N_SPINS(c),OGATEB,P_SPINP(d),S_FLIGHT,XR(H)::QAB1(D)
- P(d);N_SPINS(c),XQ(D)::S(J)
- R(a);SBLOCK::S(G)
- R(g);N_GUARD::R1(H),XR(g)
- S(i);N_GUARD::R1(H)
- S(i);N_GUARD::R1(H),XS(i)
- Refutation
- R(a);P_PINQ(D)
- Try
- Q(D);N_PINS(c),XP(b)
- Threat
- QAB1(D)
- Vars
- R(a);CHECK,N_GUARD::QAR2(D),XR(a)
- S(c);OGATE,XR(C)::QAB1(D)
- R(a);SBLOCK::S(G)
- Refutation
- S(i);
- Try
- P(I);
- Threat
- QAB(I)
- Vars
- R(g);SBLOCK::S(J)
- R(g);N_GUARD::QAR2(D)
- Refutation
- B(h);XQ(I)
- Try
- Actual
- R(C);
- Threat
- QAB1(D),XS(c)
- Vars
- K(f);N_SPINS(c),OGATEB,S_FLIGHT,XR(C)::QAB1(D)
- P(d);N_SPINS(c),OGATE,XQ(D)::B(B)
- R(a);N_GUARD,P_PINQ(D)::QAR2(D),XR(a)
- R(a);N_GUARD::R1(C),XR(a)
- R(g);SBLOCK::S(J)
- S(i);N_GUARD::R1(C),XS(i)
- S(i);N_GUARD::R1(C)
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