MESON Chess Problem Database

Problem Display
PID: 59953 (2nn4/BQ5b/2p2R2/5p1N/3pkNp1/2R2p2/8/4K2B w - - 0 1)

Stosic, Miroslav

1st Prize, Match: Belgrade - Slovenia, 1970

2nn4/BQ5b/2p2R2/5p1N/3pkNp1/2R2p2/8/4K2B

#2

8 + 9

3751 FIDE Album (1968-1970) 1977

SOLUTION

  • SOUND
  • Sets
    • 1...Se6
      • 2.Rxe6#
    • 1...Sxb7
      • 2.Re6#
  • Tries
    • 1.Bxf3+?
      • 1...Ke5
        • 2.Sd3#
        • 2.Rc5#
      • 1...gxf3!
    • 1.Rcxc6?
      • threat
        • 2.Rce6#
      • 1...Ke3
        • 2.Rc3#
      • 1...Ke5
        • 2.Rc5#
      • 1...Sxc6
        • 2.Re6#
      • 1...Se6
        • 2.Rcxe6#
        • 2.Rfxe6#
      • 1...Sd6!
    • 1.Qxc6+?
      • 1...Ke5
        • 2.Sd3#
        • 2.Rc5#
        • 2.Qd5#
      • 1...Sxc6!
    • 1.Qb1+?
      • 1...Ke5
        • 2.Rc5#
      • 1...d3!
    • 1.Qb5?
      • threat
        • 2.Qe2#
      • 1...d3
        • 2.Rc4#
      • 1...cxb5!
    • 1.Qc7?
      • threat
        • 2.Sg3#
      • 1...g3
        • 2.Sxg3#
        • 2.Bxf3#
      • 1...Sd6!
    • 1.Qe7+?
      • 1...Se6
        • 2.Rxe6#
        • 2.Qxe6#
      • 1...Sxe7!
    • 1.Qb8?
      • threat
        • 2.Sg3#
      • 1...g3
        • 2.Sxg3#
        • 2.Bxf3#
      • 1...Sd6!
  • Keys
    • 1.Qb2!
      • threat
        • 2.Qe2#
      • 1...Ke5
        • 2.Re3#
      • 1...d3
        • 2.Rc4#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 0
    • ADDED MATES = 2
    • REMOVED MATES = 2
  • Sets
    • S(i);N_GUARD::R(F),XS(i)
    • S(i);N_GUARD,XQ(H)::R(F)
  • Tries
    • Try
      • B(B);CHECK,P_PINP(f),XP(a)
      • Refutation
        • P(d);XB(B)
    • Try
      • R(C);XP(f)
      • Threat
        • QAB(H)+R(C),DCHECK
      • Vars
        • K(c);N_SPINP(a),P-FLIGHT,P_SPINP(b)::R(C)
        • K(c);N_SPINP(a),P-FLIGHT::R(C)
        • S(i);N_GUARD,P_SPINS(i),XR(C)::R(F)
      • Refutation
        • S(h);
    • Try
      • Q(H);CHECK,XP(f)
      • Refutation
        • S(i);XQ(H)
    • Try
      • Q(H);CHECK
      • Vars
        • K(c);N_SPINP(a),P-FLIGHT::R(C)
      • Refutation
        • P(b);N_SPINP(a),P_SPINP(b)
    • Try
      • Q(H);
      • Threat
        • QAR2(H)
      • Vars
        • P(b);OGATEB::R(C)
      • Refutation
        • P(f);XQ(H)
    • Try
      • Q(H);
      • Threat
        • S(E)
      • Refutation
        • S(h);
    • Try
      • Q(H);CHECK
      • Refutation
        • S(h);XQ(H)
    • Try
      • Q(H);
      • Threat
        • S(E)
      • Refutation
        • S(h);
  • Actual
    • Q(H);
    • Threat
      • QAR2(H)
    • Vars
      • K(c);N_SPINP(a),P-FLIGHT::R(C)
      • P(b);OGATEB::R(C)
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