MESON Chess Problem Database
Problem Display
PID: 178805 (4b3/bN2R2P/4pp2/4k3/r1pRP3/2n5/1B3Q1K/8 w - - 0 1)
Petrasinovic, Petrasin
Sachmatija, 2013
#2
8 + 8
SOLUTION
- SOUND
- Sets
- 1...Bxd4
- 2.Qf5#
- 1...Sb1
- 2.Qg3#
- 2.Qf5#
- 1...Sd1
- 2.Qg3#
- 2.Qf5#
- 1...Sa2
- 2.Qg3#
- 2.Qf5#
- 1...Se2
- 2.Qf5#
- 1...Sb5
- 2.Qg3#
- 2.Qf5#
- 1...Sd5
- 2.Qf5#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...Bxd4
- Tries
- 1.Sc5?
- threat
- 2.Rd5#
- 2.Rxe6#
- 1...Sxe4
- 2.Rxe6#
- 1...Sd5
- 2.Rxd5#
- 2.Rxe6#
- 1...f5
- 2.Rxe6#
- 2.h8Q#
- 2.h8B#
- 1...Ra6
- 2.Rd5#
- 1...Bc6
- 2.Rxe6#
- 1...Bd7
- 2.Sxd7#
- 2.Rd5#
- 1...Bf7
- 2.Sd7#
- 2.Rd5#
- 1...Bxc5!
- threat
- 1.Sd8?
- threat
- 2.Rxe6#
- 1...Bd7
- 2.Sf7#
- 1...Bf7
- 2.Sc6#
- 2.Sxf7#
- 1...Ra6!
- threat
- 1.Bxc3?
- threat
- 2.Qg3#
- 2.Qf5#
- 1...Bxd4
- 2.Qf5#
- 1...f5
- 2.Qxf5#
- 2.h8Q#
- 2.h8B#
- 1...Bg6
- 2.Qg3#
- 1...Ra2!
- threat
- 1.Rd6?
- threat
- 2.Rdxe6#
- 2.Rexe6#
- 2.Qf5#
- 1...Kxe4
- 2.Rexe6#
- 1...f5
- 2.Rdxe6#
- 2.Rexe6#
- 2.Qxf5#
- 1...Ra6
- 2.Rexe6#
- 2.Qf5#
- 1...Be3
- 2.Rexe6#
- 2.Qf5#
- 1...Bg6
- 2.Rdxe6#
- 2.Rexe6#
- 1...Bd7
- 2.Qf5#
- 1...Bf7
- 2.Qf5#
- 1...Bxf2!
- threat
- 1.h8Q?
- threat
- 2.Qhxf6#
- 2.Qfxf6#
- 1...Bxd4
- 2.Qf5#
- 1...Sd5
- 2.Qf5#
- 1...Sxe4!
- threat
- 1.h8B?
- threat
- 2.Bxf6#
- 2.Qxf6#
- 1...Bxd4
- 2.Qf5#
- 1...Sd5
- 2.Qf5#
- 1...Sxe4!
- threat
- 1.Sc5?
- Keys
- 1.Sd6!
- threat
- 2.Rd5#
- 1...Bxd4
- 2.Qg3#
- 1...Sxe4
- 2.Qf5#
- 1...Sd5
- 2.Rxd5#
- 1...f5
- 2.h8Q#
- 2.h8B#
- 1...Ra5
- 2.Sxc4#
- 1...Bc6
- 2.Sf7#
- threat
- 1.Sd6!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 2
- ADDED MATES = 3
- REMOVED MATES = 1
- Sets
- B(g);SBLOCK,XR(D)::QAR1(B)
- S(a);::QAR1(B)
- P(f);::P=Q
- Tries
- Try
- S(F);
- Threat
- DUALS(2)
- Vars
- S(a);XP(E)::R1(G),XP(e)
- R(b);::R1(D)
- B(h);::R1(G),XP(e)
- Refutation
- B(g);XS(F)
- Try
- S(F);
- Threat
- R1(G),XP(e)
- Vars
- B(h);N_GUARD::S(F)
- Refutation
- R(b);
- Try
- B(A);XS(a)
- Threat
- DUALS(2)
- Vars
- B(g);P_SPINB(g),XR(D)::QAR1(B)
- B(h);::QAB(B)
- Refutation
- R(b);P_PINQ(B)
- Try
- R(D);P_PINS(a)
- Threat
- DUALS(3)
- Vars
- K(d);N_SPINS(a),P-FLIGHT,XP(E)::R(G),XP(e)
- B(h);::QAR1(B)
- Refutation
- B(g);XQ(B)
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- B(g);SBLOCK,XR(D)::QAR1(B)
- S(a);::QAR1(B)
- Refutation
- S(a);XP(E)
- Try
- P(H);
- Threat
- DUALS(2)
- Vars
- B(g);SBLOCK,XR(D)::QAR1(B)
- S(a);::QAR1(B)
- Refutation
- S(a);XP(E)
- Try
- Actual
- S(F);
- Threat
- R1(D)
- Vars
- B(g);SBLOCK,XR(D)::QAB(B)
- S(a);XP(E)::QAR1(B)
- S(a);::B(A)+R(D),DCHECK,XS(a)
- P(f);::P=Q
- R(b);N_GUARD::S(F),XP(c)
- B(h);N_GUARD::S(F)
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