MESON Chess Problem Database

Problem Display
PID: 103171 (2K3b1/5B2/1P1Q4/1N1p1R2/p1k5/1pN1p3/2r2n2/6q1 w - - 0 1)

Markovic, Mirko B

Mezija, 1999

2K3b1/5B2/1P1Q4/1N1p1R2/p1k5/1pN1p3/2r2n2/6q1

#2

7 + 9

15523 Moje Sahovske Kompozicije (Markovic) 2006
6490 yacpdb 2009

SOLUTION

  • SOUND
  • Sets
    • 1...Kd3
      • 2.Qxd5#
  • Tries
    • 1.Bxd5+?
      • 1...Kd3
        • 2.Be6#
        • 2.Bf7#
        • 2.Bxg8#
      • 1...Bxd5!
    • 1.Rf4+?
      • 1...Kd3
        • 2.Rd4#
        • 2.Qxd5#
      • 1...Se4!
    • 1.Rxd5?
      • threat
        • 2.Rd4#
        • 2.Qc5#
      • 1...Rxc3
        • 2.Sa3#
        • 2.Qc5#
      • 1...b2
        • 2.Rd4#
      • 1...Sd3
        • 2.Rd4#
      • 1...Se4
        • 2.Rd4#
      • 1...Qg4+!
    • 1.Qb4+?
      • 1...Kd3
        • 2.Rxd5#
        • 2.Qd4#
      • 1...Kxb4!
    • 1.Qc5+?
      • 1...Kd3
        • 2.Rxd5#
        • 2.Qd4#
        • 2.Qxd5#
      • 1...Kxc5!
    • 1.Qc7+?
      • 1...Kd3
        • 2.Rxd5#
      • 1...Kb4!
    • 1.Qc6+?
      • 1...Kd3
        • 2.Rxd5#
        • 2.Qxd5#
      • 1...Kb4!
  • Keys
    • 1.Sxd5!
      • threat
        • 2.Sxe3#
      • 1...Kd3+
        • 2.Sdc3#
      • 1...Kxb5+
        • 2.Sc7#
      • 1...e2
        • 2.Se3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 0
  • Sets
    • K(g);P_PINS(A),S_FLIGHT::QAR2(E),XP(h)
  • Tries
    • Try
      • B(F);CHECK,XP(h)
      • Refutation
        • B(i);XB(F)
    • Try
      • R(C);CHECK
      • Refutation
        • S(c);P_SPINS(c)
    • Try
      • R(C);XP(h)
      • Threat
        • DUALS(2)
      • Vars
        • P(d);::B(F)+R(C),DCHECK
        • S(c);::B(F)+R(C),DCHECK
      • Refutation
        • Q(a);CHECK
    • Try
      • Q(E);CHECK
      • Refutation
        • K(g);N_SPINP(h),P-FLIGHT,P_PINS(A),XQ(E)
    • Try
      • Q(E);CHECK
      • Refutation
        • K(g);P-FLIGHT,XQ(E)
    • Try
      • Q(E);CHECK
      • Vars
        • K(g);N_SPINP(h),S_FLIGHT::R(C),XP(h)
      • Refutation
        • K(g);N_SPINP(h),P-FLIGHT
    • Try
      • Q(E);CHECK
      • Refutation
        • K(g);N_SPINP(h),P-FLIGHT
  • Actual
    • S(A);XP(h)
    • Threat
      • B(F)+S(A),DCHECK,XP(e)
    • Vars
      • K(g);CHECK,S_FLIGHT::QAR(E)+S(A)
      • K(g);CHECK,S_FLIGHT,XS(B)::R(C)+S(A),DCHECK
      • P(e);::B(F)+S(A),DCHECK
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