MESON Chess Problem Database
Problem Display
PID: 196334 (2N5/1B6/8/1p2kPN1/1K2npPB/2Rprn2/1R6/Q7 w - - 0 1)
Muha, Boris
Suomen Shakki, 1984
#2
10 + 7
SOLUTION
- SOUND
- Sets
- 1...Re1
- 2.Sxf3#
- 1...Re2
- 2.Sxf3#
- 1...Sd4
- 2.Sf7#
- 1...Re1
- Tries
- 1.Rb1?
- threat
- 2.Rc5#
- 1...Kd4
- 2.Rc4#
- 1...Kf6
- 2.Rc6#
- 1...Sd4
- 2.Sf7#
- 1...Sc5
- 2.Rxc5#
- 1...Sxc3!
- threat
- 1.Ra2?
- threat
- 2.Rc5#
- 1...Kd4
- 2.Rc4#
- 1...Kf6
- 2.Rc6#
- 1...Sd4
- 2.Sf7#
- 1...Sc5
- 2.Rxc5#
- 1...Sxc3!
- threat
- 1.Rbc2?
- threat
- 2.Rc5#
- 1...Kd4
- 2.Rc4#
- 1...Kf6
- 2.Rc6#
- 1...Sd4
- 2.Sf7#
- 1...Sc5
- 2.Rxc5#
- 1...Sxc3!
- threat
- 1.Rd2?
- threat
- 2.Rc5#
- 1...Kd4
- 2.Rcxd3#
- 2.Rc4#
- 1...Kf6
- 2.Rc6#
- 1...Sd4
- 2.Sf7#
- 1...Sc5
- 2.Rxc5#
- 1...Sxc3!
- threat
- 1.Rf2?
- threat
- 2.Rc5#
- 1...Kd4
- 2.Rc4#
- 1...Kf6
- 2.Rc6#
- 1...Sd4
- 2.Sf7#
- 1...Sc5
- 2.Rxc5#
- 1...Sxc3!
- threat
- 1.Rg2?
- threat
- 2.Rc5#
- 1...Kd4
- 2.Rc4#
- 1...Kf6
- 2.Rc6#
- 1...Sd4
- 2.Sf7#
- 1...Sc5
- 2.Rxc5#
- 1...Sxc3!
- threat
- 1.Rh2?
- threat
- 2.Rc5#
- 1...Kd4
- 2.Rc4#
- 1...Kf6
- 2.Rc6#
- 1...Sd4
- 2.Sf7#
- 1...Sc5
- 2.Rxc5#
- 1...Sxc3!
- threat
- 1.Rbb3?
- threat
- 2.Rc5#
- 1...Kd4
- 2.Rxd3#
- 2.Rc4#
- 1...Kf6
- 2.Rc6#
- 1...Sd4
- 2.Sf7#
- 1...Sc5
- 2.Rxc5#
- 1...Sxc3!
- threat
- 1.Rb1?
- Keys
- 1.Re2!
- threat
- 2.Rc5#
- 1...Kd4
- 2.Rc4#
- 1...Kf6
- 2.Rc6#
- 1...Sxc3
- 2.Sxf3#
- 1...Sd4
- 2.Sf7#
- 1...Sc5
- 2.Sxf3#
- 2.Rxc5#
- threat
- 1.Re2!
FEATURES
- Static
- TYPE = THREAT
- CHANGED MATES = 0
- ADDED MATES = 3
- REMOVED MATES = 2
- Sets
- R(b);N_GUARD::S(H),XS(c)
- S(c);SBLOCK::S(H)
- Tries
- Try
- R(B);
- Threat
- QAB(A)+R(C),DCHECK
- Vars
- K(g);S_FLIGHT::QAB(A)+R(C),DCHECK
- S(c);SBLOCK::S(H)
- S(d);::QAB(A)+R(C),DCHECK,XS(d)
- Refutation
- S(d);P_SPINS(d),XR(C)
- Try
- R(B);
- Threat
- QAB(A)+R(C),DCHECK
- Vars
- K(g);S_FLIGHT::QAB(A)+R(C),DCHECK
- S(c);SBLOCK::S(H)
- S(d);::QAB(A)+R(C),DCHECK,XS(d)
- Refutation
- S(d);P_SPINS(d),XR(C)
- Try
- R(B);
- Threat
- QAB(A)+R(C),DCHECK
- Vars
- K(g);S_FLIGHT::QAB(A)+R(C),DCHECK
- S(c);SBLOCK::S(H)
- S(d);::QAB(A)+R(C),DCHECK,XS(d)
- Refutation
- S(d);P_SPINS(d),XR(C)
- Try
- R(B);
- Threat
- QAB(A)+R(C),DCHECK
- Vars
- K(g);S_FLIGHT::QAB(A)+R(C),DCHECK
- S(c);SBLOCK::S(H)
- S(d);::QAB(A)+R(C),DCHECK,XS(d)
- Refutation
- S(d);P_SPINS(d),XR(C)
- Try
- R(B);
- Threat
- QAB(A)+R(C),DCHECK
- Vars
- K(g);S_FLIGHT::QAB(A)+R(C),DCHECK
- S(c);SBLOCK::S(H)
- S(d);::QAB(A)+R(C),DCHECK,XS(d)
- Refutation
- S(d);P_SPINS(d),XR(C)
- Try
- R(B);
- Threat
- QAB(A)+R(C),DCHECK
- Vars
- K(g);S_FLIGHT::QAB(A)+R(C),DCHECK
- S(c);SBLOCK::S(H)
- S(d);::QAB(A)+R(C),DCHECK,XS(d)
- Refutation
- S(d);P_SPINS(d),XR(C)
- Try
- R(B);
- Threat
- QAB(A)+R(C),DCHECK
- Vars
- K(g);S_FLIGHT::QAB(A)+R(C),DCHECK
- S(c);SBLOCK::S(H)
- S(d);::QAB(A)+R(C),DCHECK,XS(d)
- Refutation
- S(d);P_SPINS(d),XR(C)
- Try
- R(B);
- Threat
- QAB(A)+R(C),DCHECK
- Vars
- K(g);S_FLIGHT::QAB(A)+R(C),DCHECK
- S(c);SBLOCK::S(H)
- S(d);::QAB(A)+R(C),DCHECK,XS(d)
- Refutation
- S(d);P_SPINS(d),XR(C)
- Try
- Actual
- R(B);
- Threat
- QAB(A)+R(C),DCHECK
- Vars
- K(g);S_FLIGHT::QAB(A)+R(C),DCHECK
- S(d);P_SPINR(b),P_SPINS(d),XR(C)::S(H),XS(c)
- S(c);SBLOCK::S(H)
Developed and maintained by Brian Stephenson.
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