MESON Chess Problem Database
Problem Display
PID: 255641 (3Q1b2/2p2pN1/1pKN1B1r/rRn5/1P3k2/p5R1/2B4P/8 w - - 0 1)
Mohan, RD
Probleemblad, 1984
#2
10 + 9
SOLUTION
- SOUND
- Sets
- 1...Rh5
- 2.Sxh5#
- 1...Rxf6
- 2.Qxf6#
- 1...Rg6
- 2.Sh5#
- 1...Sb3
- 2.Be5#
- 2.Bg5#
- 1...Sd3
- 2.Bg5#
- 1...Sa4
- 2.Be5#
- 2.Bg5#
- 1...Se4
- 2.Be5#
- 1...Sa6
- 2.Be5#
- 2.Bg5#
- 1...Se6
- 2.Be5#
- 1...Sb7
- 2.Be5#
- 2.Bg5#
- 1...Sd7
- 2.Bg5#
- 1...Rh5
- Tries
- 1.Kd5?
- threat
- 2.Be5#
- 2.Bg5#
- 1...Rh5+
- 2.Sxh5#
- 1...Rxh2
- 2.Be5#
- 1...Rxf6
- 2.Sh5#
- 2.Qxf6#
- 1...Bxd6
- 2.Bg5#
- 1...Bxg7
- 2.Bg5#
- 1...cxd6
- 2.Bg5#
- 1...Rg6
- 2.Sh5#
- 2.Be5#
- 1...Be7
- 2.Be5#
- 1...Sd3
- 2.Bg5#
- 1...Se4
- 2.Be5#
- 1...Se6
- 2.Be5#
- 1...Sd7
- 2.Bg5#
- 1...c6+!
- threat
- 1.Se6+?
- 1...Sxe6
- 2.Be5#
- 1...fxe6!
- 1...Sxe6
- 1.Qe7?
- threat
- 2.Be5#
- 2.Bg5#
- 2.Qe3#
- 2.Qe5#
- 1...Rxh2
- 2.Be5#
- 2.Qe3#
- 2.Qe5#
- 1...Rxf6
- 2.Sh5#
- 2.Qxf6#
- 2.Qe3#
- 1...Bxg7
- 2.Bg5#
- 2.Qe3#
- 2.Qe5#
- 1...cxd6
- 2.Bg5#
- 2.Qe3#
- 1...Rh5
- 2.Sxh5#
- 2.Qe3#
- 1...Rg6
- 2.Sh5#
- 2.Be5#
- 2.Qe3#
- 2.Qe5#
- 1...Sd3
- 2.Bg5#
- 2.Qe3#
- 2.Qe4#
- 1...Se4
- 2.Be5#
- 2.Qxe4#
- 2.Qe5#
- 1...Se6
- 2.Be5#
- 1...Sd7
- 2.Bg5#
- 2.Qe3#
- 2.Qe4#
- 1...Bxe7!
- threat
- 1.Qd7?
- threat
- 2.Qg4#
- 2.Qf5#
- 1...Rxh2
- 2.Qg4#
- 1...Sxd7
- 2.Bg5#
- 1...Rh4
- 2.Qf5#
- 1...Rh5
- 2.Sxh5#
- 2.Qg4#
- 1...Rg6
- 2.Sh5#
- 2.Qf5#
- 1...Se6
- 2.Be5#
- 1...Rxf6!
- threat
- 1.Qc8?
- threat
- 2.Qg4#
- 2.Qf5#
- 1...Rxh2
- 2.Qg4#
- 1...Rh4
- 2.Qf5#
- 1...Rh5
- 2.Sxh5#
- 2.Qg4#
- 1...Rg6
- 2.Sh5#
- 2.Qf5#
- 1...Se6
- 2.Be5#
- 1...Sd7
- 2.Bg5#
- 1...Rxf6!
- threat
- 1.Qe8?
- threat
- 2.Be5#
- 2.Bg5#
- 2.Qe3#
- 2.Qe5#
- 1...Rxh2
- 2.Be5#
- 2.Qe3#
- 2.Qe5#
- 1...Rxf6
- 2.Sh5#
- 2.Qe3#
- 1...Bxd6
- 2.Bg5#
- 2.Qe3#
- 1...Bxg7
- 2.Bg5#
- 2.Qe3#
- 2.Qe5#
- 1...cxd6
- 2.Bg5#
- 2.Qe3#
- 1...Rh5
- 2.Sxh5#
- 2.Qe3#
- 1...Rg6
- 2.Sh5#
- 2.Be5#
- 2.Qe3#
- 2.Qe5#
- 1...Sd3
- 2.Bg5#
- 2.Qe3#
- 2.Qe4#
- 1...Se4
- 2.Be5#
- 2.Qxe4#
- 2.Qe5#
- 1...Se6
- 2.Be5#
- 1...Sd7
- 2.Bg5#
- 2.Qe3#
- 2.Qe4#
- 1...Be7!
- threat
- 1.Kd5?
- Keys
- 1.Sxf7!
- threat
- 2.Qd2#
- 1...Rxf6+
- 2.Qxf6#
- 1...Rxh2
- 2.Be5#
- 1...Sd3
- 2.Qd4#
- 1...Bd6
- 2.Bg5#
- 1...Sb3
- 2.Se6#
- 1...Se4
- 2.Se6#
- 1...Sd7
- 2.Se6#
- threat
- 1.Sxf7!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 3
- ADDED MATES = 3
- REMOVED MATES = 3
- Sets
- R(f);N_GUARD::S(I),XR(f)
- R(f);OGATE,P_PINS(G),XB(H)::QAR2(J),XR(f)
- R(f);N_GUARD::S(I)
- S(d);::B(H)
- Tries
- Try
- K(F);S_FLIGHT
- Threat
- DUALS(2)
- Vars
- R(f);CHECK,N_GUARD::S(I),XR(f)
- R(f);XP(B)::B(H)
- B(i);XS(G)::B(H)
- B(i);XS(I)::B(H)
- P(g);XS(G)::B(H)
- B(i);::B(H)
- S(d);P_PINR(E)::B(H)
- Refutation
- P(g);CHECK
- Try
- S(I);CHECK
- Vars
- S(d);XS(I)::B(H)
- Refutation
- P(h);XS(I)
- Try
- Q(J);
- Threat
- DUALS(4)
- Vars
- S(d);::B(H)
- Refutation
- B(i);XQ(J)
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- R(f);XP(B)::QAR1(J)
- S(d);XQ(J)::B(H)
- R(f);::QAR1(J)
- S(d);::B(H)
- Refutation
- R(f);P_PINS(G),XB(H)
- Try
- Q(J);
- Threat
- DUALS(2)
- Vars
- R(f);XP(B)::QAR1(J)
- R(f);::QAR1(J)
- S(d);::B(H)
- Refutation
- R(f);P_PINS(G),XB(H)
- Try
- Q(J);
- Threat
- DUALS(4)
- Vars
- S(d);::B(H)
- Refutation
- B(i);
- Try
- Actual
- S(G);P_SPINB(H),XP(h)
- Threat
- QAB(J)
- Vars
- R(f);CHECK,OGATE,XB(H)::QAR2(J),XR(f)
- R(f);N_PINB(H),XP(B)::B(H)
- S(d);N_GUARD::QAR2(J)
- B(i);N_PINB(H)::B(H)
- S(d);N_GUARD::S(I)
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